latissimus dorsi pulls inferiorly, the lower trapezius pull back. Depends on the movement.
Adductor magnus
When a muscle contracts, it pulls with a force generated by the muscle fibers contracting and shortening.
The large intestine covers the digested food with juices and substances. The small intestine pulls nutrients out of the digested food.
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
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.