Occasionally, the humeral head comes out of or separates from the ... A complete separation is called a shoulder dislocation. Subluxations can be caused by several factors, including: Both ...

This may be acute (first time), recurrent (any subsequent event), or persistent (locked) Subluxation—partial loss of contact between joint surfaces Shoulder instability—abnormal movement of the ...

Seattle Mariners outfielder Victor Robles is expected to miss at least 12 weeks with a small fracture in the humeral head of his left shoulder caused by a dislocation, general manager Justin Hollander ...