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This may be a dumb question but how do you measure the weight on a leg press? There is the weight from the plates, but there is also the sled, or whatever you call what you push that has the weights attached. I was also wondering if anyone has some type of squats to leg press conversion ratio of some type. For example squatting 225 lbs. equals ? on the leg press. Thanks for any help.
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Being its on a 45 degree angle, if you measure absolutely vertical, you are only moving the weight 1/2 as far as you are along the axis of movement. Therefore, the force you exert is 1/2. Its a simple principal of mechanical advantage called an inclined plane. As for the sled itself, I've heard estimates of adding 100lbs only.
Some sleds have their weight listed, the one at my gym is 45lb. Why aren't you squatting?
"I am legally blind and if I can Squat,deadlift and over all get myself to the gym then anyone can get their a$$ in gear and get strong!!" - malleus25
How do you measure weight on the leg press? By the pound!
Seriously yeah, there is a label on most machines. mine is 80lbs. There really isn't a direct leg press pounds to squat as the mechanics are still a bit different. I hit 650 on the leg press today tho
basically. I have previously done 600 for 5, but was scared to go much higher I could probably do 630 for 4 or 5, going to try that next time
Squats and leg press don't convert well. There are +/- balance issues, +/- angle issues, how low do you go issues... etc. the varibales are too great to have something as linear as a conversion rate between the two.
NSCA - CSCS
It's all relative really. I've been able to press as much as 15olbs more or less depending on the type of sled alone. It also depends if the sled has an adjustable seat. I can leg press an assload on some of those sleds that have the seat locked in permanently because I'm only 5 ft 7. Now someone who could have way stronger legs could press alot less than me,simply if they are a lot taller because they are likely starting with their knees up agains their chest while my legs are halfway extended already.
I just don't put a whole lot of stock into any number that someone claims they can leg press. There are just way to many factors involved.
Squats, however are an even playing field and are a much better gage of leg/core strength.
I remember seeing a thing on tv about that old dude from the 700 club or whatever its called, leg pressing 1000 pounds or something like that.
M.Ed. Ex Phys
My squat is roughly 335lbs and I can straddle deadlift 475lbs.
Thats 140lbs..but he also said straddle adds roughly 25lbs to your SLDL max..so then say its only 450lbs. That is still 115lbs.
I would like to know how to blast my squat some more.