Dislocation or Subluxation of the Posterior Humerus
Definition:
Displacement of the posterior humerus; specifically disturbance or
disarrangement of the normal relation of the bones entering into the formation of a joint.
Symptoms:
Significant pain, which can sometimes be felt along the arm past the shoulder
Inability to move the arm from its current position, particularly in positions with the arm reaching away from the body and with the top of the arm twisted toward the back