When was the first time you though about muscles? Like when I was a kid when I heard the word muscle I thought of my bicep of course. Then when you get older the Idea of your muscles starts to click. "oh I sat up from the ground? I used my abdomen" or "I walked downstairs, I used my quads and calves".
When did you first actively think about your muscular system?
When did you first actively think about your muscular system?