This life-size right shoulder joint features an exclusive detachable ligament system which allows individual viewing of each bone, ligament and cartilage. The model demonstrates all natural movements of the arm and shoulder like raising the arm, front and back swinging, and inner/outer rotation. The ligaments are made of a sturdy elastic material which allows years of demonstration. Can be removed from stand. Size: 10" x 8" x 9". Somso Modelle.