eli5: How are many male prisoners very muscular whilst in prison despite prison food often being very poor and small?

Question

Doesn’t make sense to me as many prisoners have said that meals are “about as big enough for a 5-year-old” and often are lacking in healthy elements

In: 24

Answer 1

Not an expert but when locked down for covid, I actually needed to workout to feel better. Being stuck in a room is so bad and there’s very little you can do… workout is one of those things you can do to spend time and be happy.