Would have liked to see somebody with more wit and intellect than I deconstruct Peterson's argument.

Just...don't be Edgelords k? I read Peterson's words for like, half an hour and my toes never stopped curling. and now I have cramp. I'm trying to get more comfortable at being made uncomfortable but, you know, don't be an abrasive jerk just for sake of it.

and don't hate on princesses - they were born that way.

also it's "Her Royal Highness, Princess of Videosift" to you plebs. lol compelled speech.

there looks to be grains of salt on the chopping board. High concentration of Sodium on the muscle fibres can cause the cells to depolarise chaotically like a muscle cramp. Depolarisation releases calcium ions from the sarcoplasmic reticulum causing the muscle fibres to contract and there is enough energy in the cell(ATP) to release the contraction and allow further contractions as with the video.Eventually it will stop working as the ATP is exhausted .

At this point in time it is impossible to tell what caused these people to have cramping in an extreme endurance event in moderate heat.

We do know current data suggests it is unlikely to be from dehydration.

so that time i did a 160km race in 35 degree heat with a few thousand ppl and i saw at least 100 ppl on the side of the road with severe cramps reeling in pain... all outliers?

No, you've pointed out what you believe were adverse outcomes from slight dehydration. These are anecdotes. You didn't measure your level of dehydration, nor did you control for all the other factors that could have caused your issues.

If it was dehydration causing you to have muscle cramps and loss of consciousness then you probably didn't have "slight dehydration", you most likely had severe dehydration. And as someone has already pointed out, the evidence for muscle cramps caused by dehydration is slim (but that doesn't mean it's not true for you).

Studies don't take into account outliers. They look at large groups of people to generate explanations for human physiological conditions. You might be a one in a billion person and react differently to dehydration than almost everyone else.

So are we not supposed to preemptively hydrate when performing intense exercise in adverse conditions?

For instance, I've done 40-60 min cycling time trials (or any prolonged FTP effort really) in 30-35c+ (ambient) weather and have noticed that if I don't properly hydrate, I'll stop sweating part way through which can lead to a loss of performance. I've never noticed cramps but I can lose up to 4-6 lbs of water over a hard 2 hr ride in the heat. Since I sweat a lot when I workout, the heat doesn't bother me too much but I do need to drink more. Is it possible our brains are not tuned to quickly respond to a rapid loss of water, like during a hard cardio workout? Therefore, drinking water when you feel thirsty might only be a good recommendation when you're performing at low- to moderate-levels of exertion.

I agree that most people are likely not dehydrated but not consuming water during a hard cardio workout seems like bad advice.

*dupeof=http://videosift.com/video/The-Cramps-Garbage-Man

LOL -- I duped my own unsifted sift...

dupeof=http://videosift.com/video/The-Cramps-Garbage-Man

Off the album Songs the Lord Taught Us, if you're interested in the Cramps. One of my favorite bands. They're obsessed with old rock n roll (southern American rock) and so they sound like the bands they're in love with and not the punk scene (CBGB's in New York) they came out of. Knowing that, the lyrics might make a whole lot more sense to you and not just be weird shit.

"One half hillbilly and one half punk.
The hottest thing from the north to come out of the south."

That was entertaining. Good job, garbage man!

This also makes me think about The Cramps song Garbageman and The Trashmen song Bird is the Word. Both songs being connected in a coincidentally meaningful way to both the chicken dance this lady performs and the garbage man involved. Funny.

no adverse outcomes? I've pointed out several adverse outcomes of very slight dehydration. In the video they use the example of sports and say hydration isn't important. So ya, if he's referring to clinical dehydration, he's basically side-stepping the fact that that's not what anyone is worried about when hydrating for sport, it's more about the intense cramping and loss of consciousness that we don't need scientific studies to confirm. Just like I don't need a scientific study to tell me to eat when I'm hungry.

You had to know what EAMC stands for to understand the abstract. EAMC = Exercise-associated muscle cramps.

This video does not always delineate between levels of hydration. The reality is, you are in general always "dehydrating". This is normal and has no adverse outcomes.

Clinical dehydration (what the video is really talking about) is way beyond the normal ups and downs of fluid loss while maintaining homeostasis.

No, the meta-study I linked is saying that there is insufficient statistical evidence to suggest dehydration leads to muscle cramps in controlled forward looking studies, contrary to anecdotal backward looking claims which are statistically less rigorous.

This video is as bad as the sponsored studies it complains about. Adam obviously has never exerted himself a day in his life. When I'm on the 4th hour riding my bike up mountain highways, I know that if I haven't been drinking a liter of water per hour for the past 4 hours(including some form of electrolyte) I'm about to have horrendous hamstring cramps. I know because of experience trying many combinations, not Gatorade studies.

Her body probably became suddenly rigid when she realized she won a medal and then BOOM leg cramp. I love this video. She is my hero.