> The average American, both male and female, has more muscle mass than in 1924.
I don't necessarily disagree with your thesis, but I'd be genuinely interested in reading the source on this, unless you just mean because people are bigger overall they have more muscle as a function of weight.
I don't necessarily disagree with your thesis, but I'd be genuinely interested in reading the source on this, unless you just mean because people are bigger overall they have more muscle as a function of weight.