Before doing any crazy workout moves, make sure your muscles are nice and warmed up. A way to do this is do a light job/fast walk for five minutes. Then try stretching. Then begin working out. You also might want to know your body limits, the muscle can be put under only so much stress before it "snaps".
They stretch to prevent muscle pulls, and other injuries.
it hurts
an erection
The muscle responds and pulls on a bone by way of a tendon. It can not react until the nerve tells it to.
Diaphram
occipitalis!
shoulder
you have then stretched your tendon / muscle beyond the normal range .
When one muscle pulls, the other muscle relaxes.
The muscle responds and pulls on a bone by way of a tendon. It can not react until the nerve tells it to.
no its simply just a strain on your muscle, in which you need to let it heal.
The diaphragm.