The Shoulder

2. mobility with steadiness of a joint
4. of the humerus that occurs in the anterior inferior direction
5. a slightly concave projection of the scapula
7. the upper portion of the humerus bone, where the bone attached to the scapula
8. pain that is felt in one body are (such as the shoulder) but that originates elsewhere
10. the synovial ball-and-socket joint of the shoulder
12. acting together, a group of muscles act together to enhance the movement of a joint or limb
13. an injury caused by stretching or compressing the brachial plexus
14. a ring of cartilage attached to the margin of the glenoid cavity of the scapula
18. a traumatic sprain
19. the lateral triangular projection of the spine of the scapula that forms the point of the shoulder and articulates with the clavicle

1. indentation of the posterior humeral head (visible on xray) resulting
3. the tissue that connects the biceps muscle to the shoulder girdle
6. a group of peripheral nerves that exit the spinal cord and extend from the vertebrae into the shoulder
9. the area where the clavicle and the sternum connect
11. the joint formed by the acromion of the scapula
15. two forces acting in opposite directions to rotate a part around an axis
16. cuff a collective set of four deep muscles of the glenohumeral joint
17. a condition that occurs when the space between the humeral head below the acromion above becomes narrowed