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17 votes

What are the 'twisties'?

In general, an experienced gymnast will be perfectly aware of how they are positioned in space during any vault, flip or twist. They learn to feel in which direction the floor is, and how far they are ...
Alec's user avatar
  • 17.9k
11 votes

What are the 'twisties'?

Alec's answer covers how it manifests, but it is commonly caused by things such as stress and PTSD, as this article from a former competitive gymnast describes (though it arguably also assumes quite a ...
llama's user avatar
  • 211
9 votes
Accepted

Why do professional swimmers breathe every stroke in freestyle?

"since breathing necessarily disrupts your flow" I think the amount of disruption relates to how far from perfect your form is. Since they need to breathe, they put a lot of work in perfecting their ...
PoloHoleSet's user avatar
5 votes

How does one calculate the increase calorific needs of weightlifters?

You don't calculate the increased caloric needs of weightlifters, because there's no situation in which you'd need that information. If not, how do high level Olympic weightlifting coaches determine ...
David Scarlett's user avatar
5 votes

Center-less barbell. Would it be the same?

Ridigity is only one issue. Center of mass is the other, and unless such a contraption either has negligible mass, or has its center of mass in the plane of movement, it will induce additional torque ...
heropup's user avatar
  • 1,159
3 votes

Center-less barbell. Would it be the same?

From the point of a physicist, no, it would definitely not be the same. I cannot think of any position for that this would be stable, without taking much effort. Above the head: Keeping the fancybar ...
Paul K's user avatar
  • 595
3 votes

Why do professional swimmers breathe every stroke in freestyle?

I suspect they breathe that much because that's just how much they need to... when going all out at that pace. From what you described of your own experience, you seem to be doing more long-distance/...
DictatorBob's user avatar
1 vote
Accepted

Should I deload? When should I deload? And, how should I deload?

Deloading should, ideally, be planned and deliberate part of a training cycle. It typically happens every 4-8 weeks depending on fitness level and training intensity. The idea is to give the body an ...
DeeV's user avatar
  • 8,601
1 vote

Why do professional swimmers breathe every stroke in freestyle?

It very much depends on the swimmer, the distance and the type of race. If you watch the 50 freestyle swimmers, they will breathe once, maybe twice in the whole race. As you get to the longer races, ...
JohnP's user avatar
  • 23k
1 vote

Why do professional swimmers breathe every stroke in freestyle?

Trent Grimsey swam the English Channel in 6hrs 55mins (WR time) breathing every stroke (every two arm pulls). There is exceptional balance to his stroke and it doesn’t compromise his efficiency. It ...
user40410's user avatar

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