Chapter 21

Question 1

Mobility with steadiness of a joint

Answer 1

Dynamic stability

Question 2

The upper portion of the humerus bone, where the bone attaches to the scapula

Answer 2

Head of humerus

Question 3

A slightly concave projection of the scapula

Answer 3

Glenoid fossa

Question 4

The synovial ball-and-socket joint of the shoulder

Answer 4

Glenohumeral joint

Question 5

The lateral triangular projection of the spine of the scapula that forms the point of the shoulder and articulates with the clavicle

Answer 5

Acromion process

Question 6

The joint formed by the acromion of the scapula and the clavicle

Answer 6

Acromioclavicular joint

Question 7

The area where the clavicle and the sternum connect

Answer 7

Sternoclavicular joint

Question 8

The area that provides movement of the scapula over the back side of the ribcage

Answer 8

Scapulothoracic joint

Question 9

Acting together; a group of muscles act together to enhance the movement of a joint or limb

Answer 9

Synergistically

Question 10

A collective set of four deep muscles of the glenohumeral joint

Answer 10

Rotator cuff

Question 11

Two forces acting in opposite directions to rotate a part around an axis

Answer 11

Force couple

Question 12

A condition that occurs when the space between the humeral head below and the acromion above becomes narrowed

Answer 12

Impingement syndrome

Question 13

Inflammation of the tendon that connects the biceps to the shoulder girdle

Answer 13

Biceps tendonitis

Question 14

The tissue that connects the biceps muscle to the shoulder girdle

Answer 14

Biceps tendon

Question 15

Dislocation of the humerus that occurs in the anterior inferior direction

Answer 15

Anterior shoulder dislocation

Question 16

Indentation of the posterior humeral head (visible on x-ray) resulting from the humerus hitting the glenoid during dislocation

Answer 16

Hill-Sachs Legion

Question 17

A ring of cartilage attached to the margin of the glenoid cavity of the scapula

Answer 17

Glenoid labrum

Question 18

A traumatic sprain to the AC joint, usually caused by a direct blow to the shoulder

Answer 18

Acromioclavicular separation

Question 19

An injury caused by stretching or compressing the brachial plexus

Answer 19

Stinger (burner)

Question 20

A group of peripheral nerves that leave the spinal cord and extend from the vertebrae into the shoulder

Answer 20

Brachial plexus

Question 21

Pain that is spelt in one body area, but actually originates elsewhere in the body

Answer 21

Referred pain

Question 22

Neer’s impingement indicates……

Answer 22

Tendonitis; Biceps long head, supraspinatus