1
vote
1answer
224 views

Muscles shorten when working out - why do I feel this most strongly in the lower back?

When I follow the normal routine of my gym including stretching after the workout, I strongly feel a shortening of my lower back muscle, to the point where I have a distinct hollow back after working ...
6
votes
2answers
376 views

Post workout carbs

The general advice is that after resistance training you should consume plenty of simple carbs to spike your insulin level and thus help getting nutrients to your muscles (and to replenish your ...