arm, upper adult Find your injury Front Bag Head Hand Upper arm Elbow Shoulder Lower arm Chest Groin Hip Thigh front Knee Shinbone Foot Back Buttock Thigh back Front Back Arm, upper Muscular bleeding on the upper arm Rupture of the muscle on the back of the upper arm Rupture of the muscle on the front of the upper arm Inflammation of the bursa Fracture of the upper arm