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11-16-2004, 07:54 PM #1
How to figure actual weight on leg press.
I thought this might be useful to some so here it is....
If you want to figure out how much weight is actually being applied to your lift when you leg press, then all you have to do is this
1. get the sled angle of the leg press and take the sine of that angle(SIN button on calculator)
2. add up the weight you have piled on
3. multiply your sine of angle & weight
So for example. Say you have a leg press machine with a 45 degree angle with 900lbs piled on. First you would take the sine of 45, which is .707. Then multiply that by 900lbs. You get 636lbs. So when you have 900lbs on the leg press, you only have 636lbs pushing against you.
This is a big reason why people think there is such a big gap between their squat and their leg press, but in all actuality the differerence isn't as great as they thought.
(Keep in mind that the weight of the sled and drag are not taken into account)
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11-16-2004, 08:08 PM #2
that sounds around the right figure, i used to know how to do this back in college, the force of gravity isnt the same when its angled... thus being why ronnie can press 2500lbs and cant squat it, either way, leg press is one of my fav lifts bc i really go as heavy as i can without worryin about getin hurt..
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11-17-2004, 07:23 AM #3Anabolic Member
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It's real easy to remember 70%..
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11-17-2004, 10:03 AM #4Originally Posted by bluethunder
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11-17-2004, 02:23 PM #5Originally Posted by Decadbal
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