>>76560800
think of the serratus as 'punchers muscle' its that extra extension you make when throwing a punch. Its also why OHP is really good for building serratus.
>>76560830
will it stabilize my shoulder? because when i lay on my back and stretch the arms up on the ground, and lift them up to place them next to my body, my left shoulder kind of unlocks from its joint? like it cant place smoothly