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Old 10-12-2010, 10:06 AM   #1
Matt D Miller
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light-headedness when squatting/deadlifting heavy load

My friend that I do Crossfit with has been having issues where, after lifting a heavy load in squats or dead lifts, he feels light headed. It goes away soon enough after finishing the lift. Is this anything to worry about? I'm wondering if he needs more potassium. I know y'all aren't doctors, but thought I'd ask to see if anyone has any suggestions or has come across this before.
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Old 10-12-2010, 10:52 AM   #2
Steven Low
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Re: light-headedness when squatting/deadlifting heavy load

That happens with valsalva under heavy loads...

Some people have more adverse reactions than others.

If possible, work with lighter loads
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Old 10-12-2010, 11:08 AM   #3
Mark E. Wallace
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Re: light-headedness when squatting/deadlifting heavy load

Not that Steven needs any backup, but +1 to his comments.

It's not really anything to worry about. Just be sure not to complete the set and then scream out-loud.

wfs http://www.youtube.com/watch?v=k8RcDb_wZfQ

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Old 10-14-2010, 08:06 PM   #4
Eugene Goldashkin
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Re: light-headedness when squatting/deadlifting heavy load

it happens to me as well, but i have nver yet passed out, i have came close. just make shure you have something to hold on to when you lift max lifts
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Old 10-16-2010, 12:57 AM   #5
William F. Burgess
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Re: light-headedness when squatting/deadlifting heavy load

I know this is a clean, not a squat or DL but I always thought this vid was pretty nuts!


wfs http://www.youtube.com/watch?v=j3wx1cqkT5s
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Old 10-16-2010, 12:57 PM   #6
Brent Sallee
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Re: light-headedness when squatting/deadlifting heavy load

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Originally Posted by Matt D Miller View Post
My friend that I do Crossfit with has been having issues where, after lifting a heavy load in squats or dead lifts, he feels light headed. It goes away soon enough after finishing the lift. Is this anything to worry about? I'm wondering if he needs more potassium. I know y'all aren't doctors, but thought I'd ask to see if anyone has any suggestions or has come across this before.
Yeah, that's a common side effect of tightening up with a big Valsalva. To lessen this, you can force yourself to cough after the movement, which will keep your blood pressure up until your body corrects for the drop in BP. Also, it's advisable to take a knee after a heavy lift to make sure you don't pass out and fall from full height. Today, I did the CFT and hit a 390lb deadlift. Luckily, right after, I took a knee and coughed a few times, got slightly light-headed and then I was fine. I'd much rather fall from 2 feet up that 5 feet up if anything happened
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Old 10-16-2010, 10:55 PM   #7
Charlie Grantham
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Re: light-headedness when squatting/deadlifting heavy load

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Originally Posted by Brent Sallee View Post
Yeah, that's a common side effect of tightening up with a big Valsalva. To lessen this, you can force yourself to cough after the movement, which will keep your blood pressure up until your body corrects for the drop in BP. Also, it's advisable to take a knee after a heavy lift to make sure you don't pass out and fall from full height. Today, I did the CFT and hit a 390lb deadlift. Luckily, right after, I took a knee and coughed a few times, got slightly light-headed and then I was fine. I'd much rather fall from 2 feet up that 5 feet up if anything happened
Agree 100%, If your like me even a hard stretch can sometimes make your vision go black or almost pass out. Always fall straight down into a squat. Not sideways.

Got a concussion once and only once from this.
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Old 10-17-2010, 09:17 AM   #8
Katherine Derbyshire
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Re: light-headedness when squatting/deadlifting heavy load

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Originally Posted by Eugene Goldashkin View Post
it happens to me as well, but i have nver yet passed out, i have came close. just make shure you have something to hold on to when you lift max lifts
Something to hold onto and a safe place to fall. Whacking your head on pointy objects makes for a very bad day.

Katherine
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Old 10-21-2010, 06:26 PM   #9
R B
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Re: light-headedness when squatting/deadlifting heavy load

Never had it happen, I know it sounds dumb, but is he holding his breath for sets of more than two?
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Old 10-28-2010, 03:16 AM   #10
Harish Shetty
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Re: light-headedness when squatting/deadlifting heavy load

keep a check on ur breathing on both phase of ur lifts(eccentric and concentric ) are u missing it ..this is one of the major culprit to get light headed after heavy lifts.
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