FIT5 How-tos :: How to build regular exercise into your life :: Warm-up :: Why stretch your muscles gently when warming up?

Warm-ups and stretching are two different concepts. Warm-ups come first, since we cannot stretch cold muscles, because it can cause micro breakages, or in the worst cases, muscle fibre breakages.

Therefore, it is necessary to do concentric exercises first and then stretching exercises during warming up your body parts.