Shoulder ANATOMY

Question 1

Coracobrachialis

Answer 1

O: Coracoid Process
I: Anteromedial surface of humerus
A: Weakly flexes and adducts the shoulder

Question 2

Biceps Brachii

Answer 2

O: Supraglenoid tubercle and coracoid process
I: Radial head
A: flexes shoulder and arm

Question 3

Brachialis

Answer 3

O: Anterior surface of the distal 1/2 of the humerus
I: Coronoid process of ulna
A: flexes arm

Question 4

Latissimus dorsi

Answer 4

O: iliac crest, T7-12 spinout processes, 9-12 ribs, and inferior angle of scapula
I: lesser tubercle, intertubercular groove
A: extension, adduction, medial rotation.

Question 5

Triceps

Answer 5

O: infraglenoid process/ posterior humerus.
I: olecranon process of the ulna
A: extends shoulder and extends elbow

Question 6

Supraspinatus

Answer 6

O: supraspinatus fossa
I: greater tubercle of the humerus
A: begins abduction of the shoulder

Question 7

Infraspinatus

Answer 7

O: infraspinatus fossa
I: greater tubercle of the humerus
A: externally rotates and adducts shoulder

Question 8

Teres Minor

Answer 8

O: lateral border of scapula
I: greater tubercle
A: externally rotates and adducts shoulder

Question 9

Teres Major

Answer 9

O:
I:
A:

Question 10

Subscapularis

Answer 10

O: subscapular fossa
I: lesser tubercle of humerus
A: internally rotates arm.

Question 11

Pectoralis major

Answer 11

O: medial clavicle, sternum, and 1-6 ribs
I: bicipital groove
A: flexion, adduction and medial rotation of humerus

Question 12

Pectoralis minor

Answer 12

O: ribs 3-5
I: coracoid process
A: protraction of scapula