Great eye. I didn't see that the first time, but it's pretty clear on the re-watch.

The point you're making is absolutely false. While we do have the same musculoskelatal system (generally speaking), we still hare different. One of the biggest examples of how we respond differently to things is carb loading. for years, all the research was done on men, and it was assumed that "same bodies, same…

4 things...

cheers.

It's based on energy systems. At lower intensities, your body uses a much higher percentage of lipids for fuel. as I sit here typing, and as you sit there reading, our bodies are getting fuel from almost 100% fat. As the intensity of the exercise rises, that percentage begins to shift to glucose.

@ Cynic

I have to be honest, I have an MA in Kinesiology, and when I read the title, I thought to myself, "oh...YOU know why muscles get sore, do you?"