Keep reading to learn more about rotator cuff conditions and other potential causes of right shoulder and arm pain. The rotator cuff is a group of muscles and tendons that keep your upper arm bone ...
"My shoulder pain wakes me up if I roll over ... The rotator cuff consist of four muscles within the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula).
Background Most studies of exercise-induced muscle injury have focussed on eccentric contractions, which are known to produce damage and delayed soreness ... with no previous upper limb injuries.