The difference is your using muscle isolation when sitting down with a back rest. Also the lower weight will not engage your primary muscles till you have exausted your secondary muscles slowing not muscle fibers to engage.
Last October I had blood work done during a hospital stay. They said my testosterone was through the roof. Higher than a 16 year old kids… but I would like to get that rechecked. No medical issues. I’m just 41 years old. I have put my body through hell with sports and work. And it has all caught...
Hi guys I’m new here, I have been working out for the better part of 20 years off and on. I use to be a certified personal trainer and certified in nutrition. As I get older I feel that it’s getting harder to build muscle and maintain. I can no longer lift heavy because my joints don’t allow me...
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