Tennis EquipmentTennis Strings

Pre Stretching Tennis Strings

What is pre-stetching? Which strings should you pre stretch? What are the benefits?

If you take a look at the stringing instruction label in the picture above, you'll see that for that particular day, Roger Federer has requested that both his main and cross strings undergo a process called pre-stretching.

But what is this process, and what are the benefits of doing so? Are there any negatives? Do all pros have their string pre-stretched? Should you tell your stringer to pre-stretch your strings next time? Let's take a look.

What Does Pre Stretching Tennis Strings Mean?

Federer Med Ball

Pre stretching refers to the practice of stretching a tennis string before you start to string a racquet with it.

Rather than just cutting the string off the reel, threading it through the first grommet hole and starting to pull tension with the stringing machine, pre-stretching means you apply some tension to the string to change its properties.

The reason strings are sometimes pre-stretched is to slow down the initial tension loss that occurs as soon as a racquet is strung.

All tennis strings have a certain level of elasticity, so by stretching them beforehand, you are essentially removing elasticity from the string, which will result in less tension loss across the string bed over time

This is used so your string bed will maintain a consistent feel through the life of the strings. A significant drop in tension (through tension loss) can affect the accuracy of your shots, which in the pro game where the margins are small can be the difference between winning and losing.

How To Pre Stretch Tennis Strings

Elastic Band

There are two ways you can pre-stretch a tennis string:

The first is the old school method which involves looping the string around a fixed object like a door handle, walking to the other side of the room with both ends of the string until it's under tension and using your body weight to stretch it. Just make sure it's a fairly round object that won't kink or cut into the string. 

The second is to use the pre-stretching feature found on several modern stringing machines. This built-in feature lets you pull strings at a higher tension before dropping down to your preferred tension. You can then clamp off, weave the next string and pre-stretch again.

The pre-stretch function on these machines can usually be set to pull at a fixed percentage above the desired tension.

For example, if you set 10% pre-stretch on the machine and want to string your racket at 50 lbs, the machine will initially pull the string to 55 lbs (10% above 50 lbs) before reducing it to the desired 50 lbs.

This makes the string less elastic, and along with a good tie-off knot (I prefer the Parnell knot), it should help reduce tension loss.

You can also achieve a similar effect on crank or drop-weight stringing machines. However, the process for pre-stretching is slightly different.

Many stringers using a crank machine will opt to pre-stretch by double-pulling tension. This means they pull the set tension, release the string, then pull it again. You could manually adjust the tension before each pull but considering this is done by adjusting a spring; it's both tiresome and easy to forget between each string pull.

Stringers using a drop-weight machine usually pull tension once but leave the weight applied to the pull for a specified amount of time.

Which is Better: Machine Pull or Manual Pre Stretch?

Tennis Racquet String Tension

In terms of which is better, I don't think there is a right or wrong answer.

For removing elasticity, the machine pre-stretch is more effective as it pulls an increased tension on a shorter area of the string, immediately before the string is pulled again to the correct tension. 

However, for making the string more comfortable to work with (reducing coil memory) and applying some pre-stretch, the manual method does a better job.

I prefer the manual method as it makes natural gut easier to string with, and your bodyweight does a good enough job at pre-stretching. This is also the method used by Roger Federer's stringers, Priority 1.

As for which you should choose, I would say if you are looking to significantly reduce tension loss or want a deader feeling stringbed, using pre-stretch from the machine is a good option.

If you just want to reduce the liveliness of a natural gut string and give it a little pre-stretch, the looping round an object is fine. The more bodyweight and muscle you put into the string, the more it's stretched. 

Why Do Some Players Request Pre Stretching?

Venus Williams

Tension loss typically isn't a massive concern for pro players as they get their racquets strung so frequently and play with them just a few hours after they were freshly strung.

However, a racquet starts to lose some tension as soon as it's off the stringing machine, and for players who want that feeling of ultra-consistent tension, then pre-stretching is a way to minimise tension loss.

The other reason some players will opt for a pre-stretch (usually 10%) is that they prefer the slightly deadened feeling that strings at higher tension offer.

Take, for example, Venus Williams, who has been know to string as high as 80lbs, along with a 10% pre-stretch. She enjoys that board like string bed because the strings have had some of their elasticity removed.

As for Federer, in the main image of this post, he has requested both his main strings (natural gut) and his cross strings (polyester) to be pre-strung.

Typically Federer will only have his mains pre-stretched, so I'm not sure why this changed for the Laver Cup. Indoor conditions, the time accrued before he would use the racquet and just personal preference on the given day could all play a part. 

Federer's usual preference for just having his mains pre-stretched will be for tension maintenance and perhaps ever so slightly reducing the liveliness natural gut offers.

In terms of a rough estimate, I'd say around 40-50% of players will ask for pre-stretching.

None of the tournament stringing rooms offers pre-stretching as a default option, so it's up to the players to request it alongside any other non-standard tweaks required like using around the world stringing method, 2 knots instead of 4, power pads or string savers that aren't part of the stringing room's default set up. 

Are There Any Types of String You Shouldn't Pre Stretch?

Nishikori Pre Stretch

The general line of thinking is that pre-stretching polyester strings is not advisable. You are taking a string that already has little elasticity to it and making it even less so.

While this will have a benefit to tension maintenance (poly strings lose tension quicker), you are taking away some of the playability of the string and also reducing its overall shelf life in the racquet.

From my experience, polyester strings at high tensions (or pre-stretched) will go dead quicker. Considering they don't last long anyway, I can't see the benefit.

For recreational players, I don't see that making too much sense either. It's quite rare for your average club player to hit the ball big enough to see many benefits from polyester in its normal state, so to make it even deader by pre-stretching isn't a logical move.

Still, many players do request for their polyester strings to be pre-stretched. As for the reasoning, it's a combination of wanting increased tension maintenance and enjoying that ultra dead feeling that allows them to take massive cuts at the ball and still find the court.

Why Do Stringers Sometimes Pre Stretch Strings?

String Tension Choice

Even if a player hasn't requested a pre-stretch, or you are stringing your own racquets but don't want to do a full pre-stretch, it can be beneficial to give the string a slight stretch to make the job easier.

When strings come off a reel, they have a coil memory which makes them rather annoying to handle and more likely to kink which is bad for the string.

Whenever I'm stringing my racquet, I tend to give all strings a very light pre-stretch by looping them around a door handle and pulling them tight to reduce those coils and make them easier to string with. 

This has little to no effect on the playability of the string as I'm not applying a ton of weight, but it makes the job easier and reduces the chance of kinks which can lead to premature breakage of a string.

Should You Pre Stretch Your Strings?

Stringing Tension

Like most things with racquets, pre-stretching is purely a preference thing. Many pros do it through force of habit as it is likely what their coaches suggested when they first started playing the game at a more serious level.

So while it might be worth testing if you feel like tension loss affects your game, I recommend that, instead of pre-stretching, simply string your racquet a few pounds higher than your desired tension.

Do you pre-stretch your tennis strings? If so, why do you do it? Let me know in the comments.

Jonathan

Huge fan of Roger Federer. I watch all his matches from Grand Slam level right down to ATP 250. When I'm not watching or writing about tennis I play regularly myself and have a keen interest in tactics, equipment and technicalties of the sport.

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67 Comments

  1. Tried pre-stretching poly way back when I was still looking for the racquet-string combination. Messed up my hand so badly I still have the scar. Will not touch that stuff ever again.

      1. I just got very bad blisters. I guess one got infected. I’m bit sensitive how I make contact and when that feeling changed I just messed up everything trying to find it. I played a much stiffer frame back then. Perhaps the combination made it worse.

      1. I have actually played with a Pure Drive quite a bit. I quite liked it. Was never a huge fan of that cortex thing they put just above the handle though. I would like to play test one of the newer ones.

        Assuming tennis can ever be played again lol. Seen as though coronaphobia has taken the world by storm.

  2. @Jonathan
    Can’t you play recreation tennis in UK right now? We have started in Poland just today. With some of those stupid things like social distancing. Fortunately this is almost guaranteed for singles.
    We don’t need to wear gas masks 😉
    Remember the subject for new post, I suggested to you long time ago?
    I think, the old-fashioned professional tennis with that huge travelling is over (at least for current generations).
    The pandemic (in everyone’s heads) will last for ever.
    Maybe we need to start again with local club tennis, local challengers or team tennis (like DavisCup), involving so many players of a pair of countries, among which the travelling is realistic. With only local crowds. What do you think?
    Experts are pessimistic about vaccine, so maybe we all need to get “herd immunity” – just tested in Sweden. Not so much success in UK.
    IMO we need to learn to live with the virus. Like with every other viruses we live with since ever.
    Remember the swine flu 2009-2010?
    I remember that I don’t remember such thing. Internet was too young here but probably in the West this was the first media pandemic.
    Now you start and end the day with studying stats for every country of the globe and that’s quite everything you can do 😉
    To everyone – don’t stay at home, go play tennis. It’s even better than watching. Stay healthy by playing tennis. Viruses are everywhere. Only you can defeat your own 🙂
    Best
    PRF

    1. But it’s soooo good for the Earth – Greta, following Trump’s hint, went with a friend to watch old-fashioned movie and when she was back in life, the Earth was almost healthy. Hahaha … good job from Mr. CV. Can have something to do with Swedes living somehow normally, while having the same good portion of the virus as other parts of the globe.

    2. No, all tennis clubs are closed, unfortunately. You could play against a wall if you can find one.

      The world has gone corona crazy, there is no science behind half the crap people are suggesting. There are 2 measures that have some scientific efficacy – washing hands and 1-metre distance.

      But do you really need a lockdown to practice those? Most people wash their hands regularly, and most people practise social distancing naturally if they have symptoms, or see someone else coughing their guts up close by.

      I am so surprised such a huge chunk of people just listen blindly to the government. This virus has caused people to instantly forget that the human race has managed to survive for 200,000 years, the vast majority of that without any vaccines. But now people are scared to leave the house, wear masks, disinfect their house every 5 minutes. We are going to see people coming out from lockdown with weakened immune systems.

      Ultimately, you cannot run from a virus, it will sweep the globe as it has done and the vast majority of people who catch it will not get sick, as we are seeing increasingly from numerous serology studies.

      1. Look, there seems to be some confusion about “survival”:

        -Survival of a species is one thing and is too abstract a concept for individuals to think about or act accordingly.
        -Survival of an individual is different and that’s what guides you actions every day.

        The first is taken care of by natural selection, always at the expense of a lot of individual losses.
        The second is taken care of by medical science (among others). In this process, life expectancy increases and some diseases are eradicated.
        What happened 200000 years ago (or even 100) is not a valid argument as no one would risk his individual survival by living under those conditions. We no longer accept passively Black Deaths. We have the tools to fight it and when we don’t, we try to make them. If you tooth aches, you go to the dentist. You don’t let the infection spread and kill you of septicaemia.

        Ironically, the more we act on individual health, the more “fragile” as a species we become because ethically we no longer accept the death of the less fit for the sake of “species survival”.
        This is the key point that no one seems to pay attention to.
        Medicine ended natural selection in Homo Sapiens: even more ironically, it’s our intelligence that will be our doom, and I’m not talking only about H-bombs.

        The usual social behaviour towards someone with a flu doesn’t seem to be enough in this case because this one spreads faster and affects older people much more severely (the body count is there, unless the coffins are filled with stones as many brazilians think). You may go relatively unscathed but you can be a vehicle to more fragile people (who you may or may not care about). For the same reason, “most” people practising social distancing is not enough.

        Last word: people usually accept what the government indicates because that’s the nature of power delegation in democracy. It doesn’t mean you cannot criticize them, of course. The important question remains: have the political decisions been the best so far? We cannot know since it’s impossible (and would be unacceptable) to run a control experiment but we should accept that most of them were done in good faith and most of them seem to work well.
        Would you or me do better? Can you even imagine what it must be like having people’s lives (not just one or two, thousands) depend on your decisions? Heavens, no, I, for one, cannot.
        See you on court!

      2. I don’t really understand the first half but

        “The usual social behaviour towards someone with a flu doesn’t seem to be enough in this case because this one spreads faster and affects older people much more severely (the body count is there, unless the coffins are filled with stones as many Brazilians think).”

        This is false, if you look at the reproduction rate across Europe, in many countries it had fallen below 1 before lockdown had even started. That highlights that good hygiene and some social distancing is effective. Hence why Sweden is not suffering as badly as the pro corona panic side suggested they would. Belarus seems to be doing ok too.

        The severe effects on older people more are also not entirely proven. Even with some very liberal attributions of COVID 19 as the cause of death, we’re not seeing numbers that are hugely out of normal range. We are certainly seeing excess mortality in over 65’s across Europe, but we do not know what the entire cause of those is. Considering that more people died in Austria in April from cardiac problems due to being scared to go to the hospital from fear of corona, compared to the virus itself. I’d say a large chunk of excess death is caused by the widespread panic caused in part by the media.

        Unfortunately, the data on deaths is so murky to really know who died from or with. There is a conflict of interest with many hospitals and EU money. Along with those that make serious bank from COVID patients, other doctors are reporting they feel pressured to add covid 19 to a death certificate. Which is not the case with flu, you wouldn’t even test for it half the time.

        What we do know is that if you are sadly close to the end or have certain comorbidities, sars cov 2 can finish people off quickly. There is such a high % of deaths in nursing homes (50% of all deaths in Sweden for example). Europe has collectively failed miserably at protecting the old and vulnerable.

        And do care homes benefit from a general lockdown? No, they do not. They need to be locked down fully, with live in staff.

        One country that has done ok with nursing homes? Norway, low population and their structure see smaller nursing homes with fewer residents. Hence their death total being very low. Belgium etc has much bigger homes with more residents. Sweden and the UK too. So you see very clearly that this thing can sweep these places quickly. As can influenza, but with a vaccine and some levels of herd immunity, it’s harder for it to do so.

        “The important question remains: have the political decisions been the best so far? We cannot know since it’s impossible (and would be unacceptable) to run a control experiment but we should accept that most of them were done in good faith and most of them seem to work well.”

        True, we cannot know which is best. But the decision to lockdown was based on a computer model that had garbage data. It was not based on science. Lockdown was highly reactionary and no thought was given on how to get out of it. The economic impacts are going to be so severe. Here is a stat, for every 1% increase in unemployment, there is a 1% rise in suicides. I don’t like those numbers.

        My big problem is that we now have far more data which is suggesting that the risk of COVID 19 is not commensurate with the measures that are in place.

        There were so many epidemiologists saying that lockdown was the wrong policy from day 1. Tegnell, Giesecke, Bhakdi, Ioannidis, Wittkowski, Bhattacharya and more). Yet Europe suffered the domino effect through panic and politicians being fearful. I am just glad Sweden took a different path so we can see a comparison. The UK was on the same path as Sweden, but the famous ICL paper from a man with historical alarmism changed the course of history. It is my belief this could be hugely costly.

        Re control experiment. You have one with Sweden and Belarus. You also have a pretty good controlled experiment with the Diamond Princess. Along with that, the serology studies are coming thick and fast. The USA, Switzerland, Germany and others are getting good data through antibody testing. The mortality rate is going to be slightly higher than seasonal influenza from what they show so far.

        So it appears Ioannidis is going to be correct when he wrote in early March “Covid-19, has been called a once-in-a-century pandemic. But it may also be a once-in-a-century evidence fiasco.”

      3. I’m just ok glad I live in DK and not Sweden (for not to say some other countries). OK, we locked down too late, and therefore this period became rather long and will probably have more serious economic effects. But we also have an ok economic support system with a less extreme gap between rich and poor, opposite USA for instance. So after some worrying rise of the curve of sick and dead, this curve is quite solidly declining now, so our health system can manage and get time to be better prepared for the probably next wave of the virus attack.

      1. Nah, it should be alright. I never stopped outdoor activity, jog 2-3 x a week under the sun and go to work every day. The only concession I made was to suspend taking public transportation until June and drive instead.

      1. You mean the natural one, coming from exposition to Sun?
        Well, we don’t have high CV-C percentage in the Sun exposure (which would kill us) but enough to kill good percentage of the virus you are exposed too.
        Some think, I guess, it does not matter, if you get 1 single virus or a million. That it doesn’t matter, how active the given virus (portion) is, because we cannot measure it. I think it definitely does.
        Having contact with partly reduced virus mass is better and higher chance, you get immune without heavy symptoms.
        If you are scared to being be tested positive (=killing you) for anything, don’t undergo any testing. In any case your “negative” test result is valid for a while.
        I’m wondering why there are no programs for volunteers to get infected “under control” (if you are qualified, meaning you seem to be generally healthy and strong, no matter the age), so you can at the same time serve for controlled experiments (medicament, vaccine). In worst-case scenario, you dye.
        If you don’t do anything special, follow the guidelines of social distancing and hygiene, but still going to work, shop, pub, whatever) in worst-case scenario you land at the same place.
        So why not to try?
        It’s false understanding of the Hipokrates rule – “first don’t do harm”. In this case the good and productive interpretation would be – if you are not sure, don’t do anything. Continue living as you had before.
        If I have, say, a cancer (meaning (I have tested positive for cancer) but I have no symptoms, should I end my life in hospital or better on court?
        And – nobody is immune to death. Some day it comes and we see “THE END”. So what? What’s better in living with the knowledge, I can dye tomorrow, if I feel well enough to play tennis tomorrow?
        I was following with great hopes UK strategy from day 1. But the politics produced mismatch and nobody know now, what is the UK strategy. So I’m following Sweden and I’m confident, after month or two they are all immune (at least until the new CV season comes ), while everyone who somehow escaped the contact is still vulnerable and must live with big psychotic disorders, scared every day, what could happen, if you finally get the contact and you are not immune, while most others are immune but maybe can still spread the virus if having contact with someone who is not immune.
        So let’s be immune to media news, stats, fears of politicians. Belarus is a bit exotic example but it seems to work. They say “better to dye standing upright than live kneeling.
        Wish you all happy tennis 🙂 (not stay#at#home!)

      2. Yes you produce vitamin d from sunlight. It’s always been said that staying indoors is bad for your immune system. But nobody really mentions that now. We must stay home!

        Anyway, in what can only be described as poetic justice, the man who’s paper that said 500k people would die if we didn’t do a hard lockdown (which caused then UK and USA to lockdown), has just been forced to resign for breaking lockdown rules and allowing a married woman to visit his house. Do as I say, not as I do!

        I agree, definitely be immune of the media, rhetoric and politics. Not stats though as long as they are fairly reliable data, have context and can be interpreted. The problem is they are so easy to manipulate and fool the innumerate, as the media have done. The classic one in Corona being number of cases shooting up on a graph but never showing number of tests so you could see if growth was indeed out of control.

      3. And cross immunity. but you cannot get it right now. You should have done it all your life. I think I’ve reached it over last 20 years of living in the forest.
        Don’t know, if it would work for Corona, but why not? It works for me over 20 years with all epidemics of flu, including swine flu, seasonal flu, SARS.
        If I have contact with the virus, I get ill, sometimes with not very nice symptoms, but the whole cycle (including rhinitis, fever, chills, muscle pain a.s.o.) goes over night and without taking any medicaments, next day in the morning I’m a bit weakened but healthy. I guess, it’s reward for living in the nature. Not virgin, buts still 🙂 And I’m fortunate to working remotely (translating) since 40+ years.
        Living in an urban area makes it a bit more difficult. But sunlight is omnipresent – well, maybe not if there is heavy smog. I never have a smog.
        Hope, we learn all to live with this and other viruses, but taking more care about the environment, less mass travelling instead of waiting and expecting, the wirus is dead soon. Only few viruses could have been erased from the Earth (but we don’t know 100%).
        Re lockdown – I’,m perfectly prepared. I kind of live in a wanted lockdown since 20 years. I like it. I have always big reserves of everything I need (food for me and the dog, every durable goods, I’ baking bread home, have a small garden with some vegetables and fruits and … I’m vegan (Rui would hardly accept such diet ;))
        I could even have private court on my piece of Earth, but it would not fit well into my very local environment, which is natural forest, natural meadows and some wild around (sometimes also home ;)).
        All the best and hope, tennis comes back somehow, maybe more local than before, maybe no more giant tournaments on giant stadiums. I guess, nobody knows right now.

  3. Hey, I have no business accepting or rejecting your diet as long as you don’t make a religion out of it or keep it to yourself!
    One of my colleagues was vegetarian and every time I shook hands with him it felt like he was in risk of getting shattered in several pieces if I wasn’t gentle enough.

    1. It was only information about my experience. I understand my experience so, vegetarian/vegan diet is helpful for hermits like me, because living like that I need so much independence as it goes. Of course this is not the reason for which I got vega/vege.
      Yeah, it’s a kind of religion for me, strictly individual.
      You would not have the handshaking problem with me. Being able to lift 50 kg of something at my age is not bad and I feel stronger since I’m, you know what.
      And some nice positive side effect (for me), in extreme situation I can survive, eating what I can find on my piece of land. But don’t take it too serious. With the age I’m getting lazy in the kitchen 🙁

    1. I guess I have a passing interest in it. There are many interesting aspects to it. But it is nothing vocational.

      I have a big interest in coronavirus though. I had some huge problems with the way things were being reported and the actions that were being taken in late February. Not purely from a Biology standpoint either, a mixture of common sense, basic immunology, and reliable data (or lack of). I’ve spent way too much time trying piece it all together. And not just from the angle of satisfying my confirmation bias, I’ve looked at all sides of it. Most of the data is showing that the risks of coronavirus do not warrant the measures that have been put in place. Not only do they set a dangerous precedent for future lockdowns, but the knock-on effects are also going to be absolutely devastating. All these morons sat at home thinking they will get paid 80% of their salary until the end of time have no idea what they are heading into very shortly.

      For me, the lockdown is not so bad, I’m in a lucky niche that has performed well. But I’m always the turkey that votes for Christmas and it needs to end ASAP.

      1. And by spent way too much time I mean a lot of reading, but nowhere near as much time as some of these epidemiologists that are doing real science and trying to get the right answers. Without them I’d have nothing to glean information from. So I am glad they are still out there doing real work. Unlike some who seem to be mixing political activism while flicking between Porn Hub and a random number generator a la Professor Horny at ICL.

        The likes of Streeck, Ioannidis and all the other professors and their team of researchers doing the serology studies. And some of the others who are putting their necks out there deserve a lot of credit. There is a guy called Knut Wittkowski who is straight to the point and pretty much all his predictions, if you can call them that, are looking to be very accurate. He was the first guy to say closing schools is a bad idea. He was vilified by the media as they attempted to discredit him. Now it’s fairly mainstream opinion that closing schools is ineffective or even counterproductive.

        The media have been so bad in all of this. To quote Wittkowski again, for the media, only bad news is good news. I mean look at Sweden, a month ago the headlines were Sweden is heading for disaster, in the last week it’s changed to could Sweden have actually done the right thing? And I think it’s pretty nailed on what they will be in another few weeks

        Unfortunately I think when this thing all blows over, the Ferguson model, and the unnecessary induced panic / psychosis will mean public perception of science will be very low. But I hope people see there are some real G’s out there who still know how to do real science even though they don’t get the credit or coverage they deserve. I certainly value their work.

      2. I wish I could say the same. Many of our customers are closed and we are at 30% capacity. If the situation doesn’t improve before Summer it’s lay-off party for everyone. I guess I’ll have to switch to farming…
        And not many people seem to be aware of the real consequences of the upcoming recession, even with some sort of Marshall plan in place (which sounds more like bedtime tale). On that point couldn’t agree more.

    1. Very interesting, guys. Jonathan seems to be a kind of Leonardo 🙂
      I’m all on your side in understanding the pandemic or panmedic or mediademic, whatever it is.
      After 2-3 months of almost ruining every kind of economic activity or better – simply our daily life, including some job for money, eventually also some job for no-money a.s.o.

      One of my tennis friends is so panicked, that he refuses to finally open the season, because he is better in inventing potential threats than any government on Earth. An example: OK, we use separate balls and never touch the balls of the partner. So far, so good, But then you serve, toss the ball and with high probability you exhale the of your (potentially) corona-infected lungs towards the ball, then you hit the ball, so the ball comes to me like a comet, bringing the air+aerosol cloud, which must touch me and – it’s simple – I get infected.
      Re closing schools. 1000% contraproductive. Parents must stay home to take care of children and they get benefit from the state (meaning from you and me and …). Part of these parents are medical staff. We get deficit of medical staff. Kids get theoretically e-learning and if it lasts long, they will be dumb like a stone. And – last but not least – we never reach the herd immunity at no cost, because children in school age pass the infection not knowing about it and are under zero of real health danger. What happens, if so called “seniors” are left in their “school” (no e-learning in sight). Instead of herd immunity we get a lot of “cases” for our corona stats and some burials without families (the only good news for “seniors” 😉 If someone dies at 85 or 92 after “living” (???) some years in these noble luxurious hotels (instead of do the same at least on a nice cruiser like Diamonds Princess), what’s wrong in that?
      Back to tennis for a while. I see some moves, which I was expecting to happen, like local microtournaments in Germany, Austria, Florida, at Mouratoglu academy, in Florida. Still better than nothing. I’m wondering why not in Switzerland (at least to top players on place), while they have really no epidemic at all right now.
      What do you think, could be next move and where?

      1. “One of my tennis friends is so panicked, that he refuses to finally open the season”

        😀 This is a prime example of the media and governments sending people into panic and creating mass hysteria. It is classic propaganda. I’ve seen a couple of government documents leaked from Germany that talk about creating fear of losing a relative as a way to control the population (and the spread)

        What they have done with their actions and reporting is disgraceful and has caused plenty healthy people to fear getting the virus.

        I can understand having some fear if you are in a certain risk group. But even then you should be given the data to make your own risk assessment. Instead you are peppered with death counts and horror stories that gives you the perception that infection guarantees death.

        Both my parents are sixties and they give zero fucks about Corona. Do their best to avoid it, wash hands, avoid huge gatherings etc. But all the other stupid measures in place? Garbage.

  4. Tegnell says, Stockholm can reach herd immunity in May. How much we need to wait until we get herd immunity via vaccine? At least 2 years (maybe first vaccines will have serious adverse effects and we get a new curve of vaccine victims, medical staff first), or 10 years or we never get any vaccine but get herd immunity via 10 years of lockdown.
    What a great news for the Earth!!! Short before dying on Corona or vaccine Trump tweets Greta like “Chill, Greta chill” Now you have your happy Earth but no friends to go to watch an old-fashioned movie and no cinemas or anything 🙂 But there is light in the tunnel. Humanity can survive not in Elon Musk’s one-way spaceships but maybe in Sweden.
    I think, we all should start to learn Swedish right now 😉

    1. To learn Swedish: ” I Stockholm är det fortfarande förfärligt på sjukhusen med sköterskor som måste arbeta 13 timmar i sträck och lägga döda människor i plastpåsar tejpade med text om att innehållet är farligt.” – A swedish friend wrote this to me. It means: “In Stockholm it is continually horrible in hospitals with nurses who must work 13 hours without rest and place dead humans in plastic bags taped with text that the contents is dangerous.” There’s no guarantee for immunity after having had the virus. “Normal” flu comes again and again to the same persons. This praised herd immunity might take a very long time if ever obtained. For me, the only way seems to make vast testing, isolate and treat the sick ones, and hopefully hunger it out.

      1. And of course take all rational care to prevent infecting as long as this very possibly dangerous virus attacks pandemic-like

      2. If that quote is from a healthcare worker, you must take them with a pinch of salt as sadly many of them let their politics come into it. We see it in the UK where the ones shouting the loudest are activists first and healthcare workers second.

        While they are certainly working hard, Sweden has never reached maximum ICU capacity and no patients have been turned away for any treatments. So if the situation really was that dire with bodybags all over the place, this would not be the case. 50% of Sweden’s deaths have occurred outside hospitals which also makes me question that.

        If you think hungering it out is a viable strategy for you personally then fair enough. But it isn’t for the vast majority of the population. Staying in eternal lockdown for a virus with a relatively low IFR and waiting for a vaccine (which may never happen) will not work anywhere in the world and will lead to far more deaths than the virus itself. It is a ridiculous policy.

        While immunity having had the virus remains an open question, it looks very likely that those infected with SARS COV 2 will be immune (for how long, that is again unknown), But there are no cases of reinfection anywhere in the world. (these were falsely reported). I would be very very surprised if those infected did not have immunity.

      3. Yeah, Test everyone (with unreliable tests – epidemiologists say), isolate everyone, hunger out everyone. If we went too vulnerable, we must die all.
        What about India or Africa?

      4. Yes I don’t really see the logic behind continued mass testing when we are well into a pandemic? The UK gov has got hung up on 100k tests a day as a target.

        It seems sensible for doctors to use PCR test for determining what treatment is required and for it to be done at the start to get an idea of how quickly it is spreading. But I dunno about now? Anyone know the reason?

        I think some tests are better than others, although the inventor of the PCR test actually said it should never be used for checking for infectious diseases. But it’s tool we have, may as well use it.

        I think the antibody tests are going to be more important. If we had those early you may have seen this thing has been around longer than we all think.

      5. @Jonathan
        Yes. Mass antibody tests would tell us how many have passed the infection without getting ill and possibly being now immune (herd immunity) and finally – we would have lots of candidates to give blood plasma as a perfect medicament for death candidates at zero cost.
        Many people would like to pay for such tests if they would given then a kind of “Corona immunity certificate”, a pass to normal life.
        That’s, for example, how professional tennis could be revived without waiting for a vaccine.

  5. @Jon
    Agree 100%.
    What was reported, was the virus found again in healed patients, but not causing any damage to him/her and the virus most probably inactive and not able to infect anyone. I’m ready to accept to have all known and unknown viruses in my body so long they don’t cause any symptoms (the same with cancer and any other disease). I love diseases not causing symptoms 🙂
    But if humans are too vulnerable to fight off the virus, they must die and we should not cry about every single death, because this is false in many ways. If we are too vulnerable as a species, we must disappear from the poor Earth and let other species survive and rule.
    Especially Chinese bats, possibly having the same virus but no symptoms, peaceful coexistence instead, must laugh them dead, watching in their TV, what happens with homo sapiens (???)

  6. Re “immunity”. If epidemiologists are right – 70-80-90% of immunized individuals create herd immunity, soi the heard (most of it’s members) can survive, do we really need 100% immunity as individuals for the immunity to work? If I’m 90% immune and the herd is 90% immune, what’s my chance to get infected and develop symptoms?.
    I guess we wre never 100% immune to old viruses, even after vaccines. But if we get 10% symptoms, we are probably never aware of having some disorders. Not good enough?
    Re old people dying (from or with Coronavirus?). Is this not normal? We are not meant to live for eternity. But so many are falsely shedding tears over deaths of 70+, 80+, 90+ humans dying – first time just because of Corona – never before. Old people can die from anything, because they are almost dead from their age (I mean not the number but the real biologic age – some are old with 25 or 30.
    And it’s also genetics, different in different subspecies of humans. That’s why epidemic does not look the same in different (ethnic) nations.

    1. This is very true. Nobody gives a shit about the thousands of elderly people that die from influenza each year, but every corona death is labelled a tragedy.

      1. Many elderly people die every year even without influenza, with pneumonia with unknown geneses, maybe including from simple cold. Corona is trendy. They deal with it like it was a fashion (while real fashion shops are all closed – somehow most of people need the fashion simply for better psychic feeling.) Not me. But I’m not typical.
        When I die one day (this must happen anytime rather soon than not), I reject (if possible) to be labelled or included into stats, which are published. These stats should serve only epidemiologists to build-up models of epidemic development. But I fear, this data are not very useful for the science, given in so many cases we don’rt really know the real (direct or indirect) reason for the death.
        For elderly people the most reliable assumption is, they die because iof getting old, maybe having good luck to die instead of spending some months or years in awful state of less than a vegetable.

    1. I do not like outlier cases based on anecdotal evidence. I am surprised he published it, it’s more for a diary than a science magazine.

      “Let’s be clear: Without a coronavirus vaccine, we will never be able to live normally again. ”

      For a scientist to say that I find it ludicrous tbh. Because it assumes a vaccine would be a good idea. When in his own words we know very little about the virus. Has he looked at vaccine attempts on other coronaviruses that made things worse? They were used on cats and sent their immune systems into overdrive. Causing way more damage.

      In fact, there is something I don’t like about that article, but he’s funded by world-renowned epidemiologist Professor Emeritus Bill Gates. So not really hard to see why the only way out is a vaccine.

      1. I would not rely on a vaccine any time soon for this particular. Someone saying that life will never be normal again without one sounds more line a script for a catastrophic Hollywood flick. It’s a long stretch for a “prediction” and it certainly does nothing to help.
        One of our epidemiologists has said in interviews that, even in spite of the current uncertainty, the severeness of the disease is very low to negligible for those below 40 and gets serious for the elder, especially above 70 or so.
        That said, my parents are both closing in on their 80s and that’s mainly because of them that precautions should be in order. But I won’t accept the argument that “we all must die one day”. That’s just stupid and justifies nothing except laziness. Every normal individual tries his best to survive. And some are even naive enough to help the others to survive too.
        Back to the “thing”:
        Just here we have already identified over 150 mutations. This alone makes the vaccine design a lottery. It’s not like small pox that has been wiped away.

      2. Prof. Em. being the most probable creator of the virus (if it’s not natural), hahaha … Now controlling pandemics with joystick while having the vaccine (before the virus was born) and waiting for the right moment to sell the vaccine at the highest possible price. Can’t sell Windows anymore, have found something maybe more exciting.
        Re article (rather pathetic story about “how I almost dies and look, I’m still alive – what e hero – probably his most valuable scientific achievement 😉
        What’s worth an epidemiologist who didn’t face dead? Boris Johnson did too but I cannot recall him publishing his grueling story in Playboy or Hustler or even Lancet 🙂

      3. @Rui
        I’m sure people can survive without a vaccine, but as always, pharma giants want us all to be obligatorily vaccinated.
        They produce so many vaccines against everything and people are not willing to take them. This makes the CEO’s of those happiness factories sad.
        BTW: Djokovic told in an interview, that he rejects to be forced to take a vaccine (which maybe the pass to participate on tour, when it restarts), because he is generally against vaccines (didn’t tell, why).
        I can understand him and accept his point of view,. It happened never before, a pro athlete to be forced to show the tournaments directors certificates about Ebola, Zika, Denga, Jaundice, Pertussis, Masles and and, before he is allowed to play.

  7. @Rui
    Re mutations. My last knowledge about mutations is, virogolgists mean, Corona is not a fast mutating virus and currently disclosed mutations should not be seen as a hurdle on the way to vaccine. A vaccine working against one of those mutations would work against any other mutation, maybe not with the same efficiency (like with flu).

  8. Tell Djokovic to not immunize his children and put them in a school attended only by other un-vaccinated children and watch his opinion shift. It’s all very funny when it’s abstract and you make yourself noticed as a palladin of some questionable cause, but when it hits you it’s a different matter.
    We’ve had recently cases of adult people dying from measles who, surprise, suprise, refused to take the vaccine. This includes several *children* whose parents refused to vaccinate them. This disease was perfectly controlled until these neo-hippies came around will all sorts of new age fantasies that were the direct cause of this surge. They should go walk bare foot in the woods and see if it’s nice to get tetanus, the same that killed by grandfather when my dad was 1 year old.
    It’s also very interesting to claim the benefits of herd immunization but rejecting a working vaccine (I’m not talking abou cov, for the record)

    1. I don’t think, FDjokovic is calling for any generalization of his thought. He may have causes, we don’t know about. Such like adverse effects of vaccines in some/many cases. Or maybe a kind of philosophic background,.
      What do you mean with working vaccine? We will know in many years, if and how it works.
      But we know right now,, blood plasma of those who healed out of CV without having symptoms or with very mild symptoms is a working medicament (even better immunoglobulins from such plasma. It’s a new business starting all over the world. US are paying even 40.000 USD per donation, trying to monopolize it. Probably for good reason.
      They say it can be given medical personnel as prevention before getting infecfted. So a kind of vaccine, probably without any side effects, because Ig from healed cases is not killing viruses but stopping it’s multiplication.

      1. I meant those that have been proved to be effective, such as the ones against measles + mumps, poliomyelitis, small pox, tuberculosis and more recently womb cancer.
        Not for Cov-19; the problem is with the generalizations. If there is not a vaccine for disease A (or it’s not effective enough, or has side effects like growing a horse leg on your forehead), that does not detract a single bit from the effectiveness of the others. Then suddenly these movements appear out of nowhere jeopardizing the achievements in eradicating most of the above mentioned and the safety of the population. These people have no idea what it is like having a child suffering from that, let alone remembering what it was like before these vaccines.
        But I remember very well and I recommend that to no one.

  9. @Rui
    I partly agree with you – successful vaccines are a good thing.
    But (I’m probably a generation older than you and I was young at times (just after WWII), when there were no vaccines for all those viruses at all – the first available I can remember, was tuberculosis (not just after my birth). So I passed in very young age almost all typical virus diseases in children (measles, pertussis, chickenpox, rubella, mumps, I had 2x pneumonia, who knows from what). Somehow I survived (I guess millions survived, so I’m not just an exotic example). Was it herd immunity? Or the traditional medicine (classic or not) did work well? I don’t know.
    I’m not a part of any movement you talk about. But at the same time I’m against obligatory vaccinations (if not hardly proven, the vaccine works and the risk of adverse effects ave very low). Or I can isolate myself from the population, which I’m doing since 2 decades with no need to visit doctors and I will probably try to skip Corona vaccine, if they don’t visit me with police. I do prefer to die of Corona than of Corona vaccine. Should I now be allowed, when I isolate myself to the highest possible extent?
    Djokovic may not allow to be vaccinated, which could cause him retirement from professional tennis. Not sure, what would be his choice, but it’s his business.

    1. Yes, the vaccines that work should be mandatory. I’ve listed a few. It a matter of public health, not just of the individual.
      Freedom is important but it’s not an absolute value and it’s certainly not arbitrary when you interact with other people. That automatically limits your individual liberties, namely the ones that can pose a risk or even cause discomfort on the others.
      Of course, if you live on your own and have zero interaction with the others, that’s another story.
      (Don’t worry. I wasn’t referring to you as part of any movement and I cannot imagine you being part of one…)
      PS: Yes, I’m about one generation younger than you but I also got most of those diseases, plus a lung tumour at 7, so I win! Hahaha… I’m beginning to sound like Woody Allen.

      1. Lung tumor. Well, I have no chance. Cannot even ask my parents anymore. Maybe I had something interesting but I can’t recall.
        But … lung tumor does not belong to our competition, because there was never a vaccine against it, was it in Portugal?
        Well, that may have another aspect. Poland was since 1945 (4 years before my birth) a socialist country, which may have had some impact on the quality and availability of high level medicine. I don’t recall a lung tumor epidemic in Poland anytime back 😉 I hope you have long forgotten the case and have completely healthy lungs 🙂
        Zero interaction it’s not possible. But very very close to it. I have no social life at all (only with my dog, saved with serious illnesses from euthanasia and wild life around. They all don’t care if I’m vaccinated for human viruses 😉
        I have remote job (freelance translator) since 45 years). I have a small garden and buy almost everything I need – the offer is now rising because of pandemic, so I will be even more independent from social interactions). Courier drivers bring everything close to my gate (50 m from the door of my house) and I’m free to wait some time before I bring packaged home.
        The only thing I really need and can hardly imagine without a social contact, is tennis 😉 Which is a matter of confidence and assuming my partners are all vaccinated,, I’m not a threat for them 🙂 I actually never need professional services presuming social contacts. I can repair/maintain every technical equipment I have at home and around. So actually I don’t need vaccination.
        But if a vaccine against lung tumor is on offer some day, I will need to rethink, given my old lungs and everything 🙂

  10. Nah, don’t wait for that. Apart from womb cancer and a few more, those are seldom caused by viruses/bacteria, so vaccination does not apply here. Most result from errors in DNA transcriptions caused by chemical reactions on the bases or high energy radiation.
    But I’m alright. They removed a chunk the side of a plum but fortunately it was benign (still).

    1. I guess, I can wait with full peace of mind. Before they eventually come, I have a good chance to die from the age 😉 And I hardly can have a womb, so good chance I survive womb cancer without a vaccine 🙂
      Were you/are you a heavy smoker? And was this the cause of your cancer? How many years passed since your surgery? They say 5 years without recurrence means, you was only simulating (because of class-test in math or something( 😉

      1. Which means, you will need some day to look for another death label 🙂 But … take you tiume 🙂

      2. (I guess Jon is OK with some peer-to-peer dialogues here…)
        That was when I was 7 years old. I was monitored until 12 and all was clean. I’m 52 now. It was during summer time, July 18th 1975, 10 AM, to be precise, so there was no school to run from. And why should I anyway?… I always loved school.
        And no, I never smoked and I have indeed a deadly hatred for tobacco. No one in my family smokes either.

  11. Jesus Christ! And all I came here for after a very long time was to find out this string pre-stretching thing and to check how everyone was doing with.

    1. Slowly time to pre-strtetch muscles and come back to tennis 🙂
      I expect, Roger will come back stronger, so he could eventually be a CV lover 😉
      First I thought. Oh God, this CV is taking top guys their final best years.
      But the second thought was – they may come back rejuvenated – never having such a long holiday and play even better, including the oldest or first of all the oldest.
      I guess, because of his style and innovation abilities, he will maybe reach another prime time. Not sure if others can come back so smoothly.
      And he will be peRFectly pre-stretched.
      So this all fit very well together. I mean: pre-stretching (not only strings but also the whole body) and the CV-related issues.

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