There are many movements, or lack of movement, that can contribute - holding arms still do do computer work or text/game; or sports such as tennis, weights, climbing, swimming; or carrying heavy things. The list goes on. Pretty much anything involving your arms that you do repetitively.
so you know what movements can tense under arm and arm pit?
There are many movements, or lack of movement, that can contribute - holding arms still do do computer work or text/game; or sports such as tennis, weights, climbing, swimming; or carrying heavy things. The list goes on. Pretty much anything involving your arms that you do repetitively.