Week 1 (Shoulder Joint)

Question 1

Deltoid Origin

Answer 1

Lateral 1/3rd of clavicle, acromion, and lateral 1/3rd of scapular spine

Question 2

Insertion of Deltoid

Answer 2

Deltoid Tuberosity

Question 3

Actions of Deltoid (7)

Answer 3

Abduct the shoulder
Flex the shoulder
Medially rotate
Horizontally Adduct
Extend
Laterally Rotate
Horizontally Abduct

Question 4

Latissimus Dorsi Origin

Answer 4

Inferior Angle of the scapula, Spinous process of last 6 thoracic vertebrae , last 3 or 4 ribs, thoracolumbar aponeurosis, posterior iliac crest

Question 5

Latissimus Dorsi insertion

Answer 5

Intertubercular groove of the shoulder

Question 6

Latissimus Dorsi Action (3)

Answer 6

Extend the shoulder
Medially rotate the shoulder
Adduct the shoulder

Question 7

Teres Minor Origin

Answer 7

Upper 2/3rds of lateral border of scapula

Question 8

Teres Minor Insertion

Answer 8

Greater Tubercle of the humerus

Question 9

Teres Minor Action (3)

Answer 9

Stabilize the head of the humerus
Laterally rotate
Adduct the shoulder

Question 10

Coracobrachialis Origin

Answer 10

Coracoid Process

Question 11

Coracobrachialis Insertion

Answer 11

Medial surface of mid-humeral shaft

Question 12

Coracobrachialis Action (2)

Answer 12

Flex the shoulder
Adduct the shoulder

Question 13

Pec Major Origin

Answer 13

Medial Half of Clavicle, Sternum, Cartilage of first 6 ribs

Question 14

Pec Major Insertion

Answer 14

Crest of Major Tubercle of Humerus

Question 15

Pec Major Action (6)

Answer 15

Adduct the shoulder
Medially Rotate
Elevate thorax (during forced inhalation)
Flex the shoulder
Horizontally Adduct
Extend the shoulder

Question 16

Teres Major Origin

Answer 16

Lower 1/3rd of lateral scapular border

Question 17

Teres Major Insertion

Answer 17

Crest of the lesser tubercle of the humerus