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progressiveman1
01-17-2008, 10:07 AM
In the last chart in PPST, you guys estimate strength levels according to bodyweight. I couldn't help but notice that at the heaviest end of the spectrum the strength levels were very much higher than the lowest end, even in untrained people. Is this solely because a surplus of calories drives strength progression, or is there another function derived from bodyweight that relates to strength levels?

Mark Rippetoe
01-17-2008, 05:37 PM
Your question is unclear. What do you mean by "heaviest end of the spectrum"?

progressiveman1
01-17-2008, 09:45 PM
The heaviest end of the spectrum in the charts in your book; ie, the heaviest bodyweight compared to the lowest bodyweight.

For example, in the Squat chart the heaviest bodyweight you list is 320 and the untrained strength level for that weight is 147. The lowest bodyweight you list is 114 and the untrained strength level for that weight is 78. Basically, my question is: Why does an untrained person who weighs more have more strength than someone who weighs less?

Mark Rippetoe
01-17-2008, 10:25 PM
I was afraid that's what you were going to say. The answer is: because his muscles are bigger, and bigger muscles produce more force than smaller muscles.

progressiveman1
01-18-2008, 07:59 AM
1. So the answer to my first question would be, "Yes, the reason a heavier untrained person is stronger than a lighter one is solely because eating a surplus of calories drives strength progression."?

2. For trained people, I don't understand how you can make an estimation for strength based on bodyweight without making a distinction between bodyfat percentage. For example, based on the charts an intermediate man who weighs 220 has an estimated 301 squat, and a man who weighs 198 has a 185 squat. If a man is currently at the former stage and decides to rid 20 off his bodyweight to reach the latter bodyweight, he wouldn't lose 15 off his squat if he continued training, would he?

Baldr
01-18-2008, 07:19 PM
You have to realize that every time a heavier person lifts their legs, moves their arms, jumps, etc. it requires more strength than it would for a lighter person, so naturally the heavier person has bigger muscles, and is stronger.

Mark Rippetoe
01-22-2008, 12:44 PM