This functional model provides a graphic demonstration of the mechanics of the shoulder joint, allowing better doctor-patient or teacher-student understanding. Use this life-size, fully flexible joint to demonstrate abduction, anteversion, retroversion, internal/external rotation, and much more. Consists of shoulder blade, collar bone, portion of humerus, and joint ligaments. Moveable joints. 6-1/4 in. x 4-3/4 in. x 7-3/4 in. Includes stand.