O,I,A,I

Question 1

Flexor carpi ulnaris

Answer 1

• medial epicondyle of humerus
• pisiform, hook of hamate, base of 5th metacarpal
• ulnar deviation and flex of wrist
• ulnar n

Question 2

rhomboid major

Answer 2

• spinous processes of T2-T5
• lower 1/3 of medial border of scapula
• elevation, add, downward rot and stabilization of scapula
• dorsal scapular n.

Question 3

rhomboid minor

Answer 3

• spinous processes of C7-T1
• medial border of scapula above spine of scapula
• elevation, add, downward rot and stabilization of scapula
• dorsal scapular n.

Question 4

infraspinatus

Answer 4

• infraspinous fossa of scapula
• greater tubercle of humerus
• lateral rotation of humerus
• suprascapular n.

Question 5

teres minor

Answer 5

• inf lat border of scapula
• greater tubercle of humerus
• lateral rotation of humerus
• axillary n.

Question 6

pronator teres

Answer 6

• medial epicondyle of humerus and coronoid process of ulna
• mid-lateral shaft of radius
• pronation and flexion of elbow
• median n.

Question 7

coracobrachialis

Answer 7

• coracoid process of the scapula
• middle 1/3 of medial surface of shaft of humerus
• flexion and add of humerus
• musculocutaneous n.

Question 8

pectoralis major

Answer 8

• sternocostal head: sternum and costal cartilage of ribs 2-6 and clavicular head: medial clavicle
• greater tubercle and lateral lip of intertubercular groove of humerus
• flexion, add and medial rot of humerus
• medial & lateral pectoral n.

Question 9

Deltoid

Answer 9

• lateral 1/3 of clavicle, acromion and spine of scapula
• deltoid tuberosity of humerus
• ant fibers (med rot and flexion of sh), lateral fibers (abduction of sh), post fibers (extension and lat rot of sh)
• axillary n.

Question 10

serratus anterior

Answer 10

• ribs 1-8
• medial border and inferior angle of scapula
• upward rotation and abduction of scapula
• long thoracic

Question 11

extensor carpi ulnaris

Answer 11

• lateral epicondyle of humerus and posterior border of ulna
• base of 5th metacarpal
• extension of wrist and ulnar deviation
• radial n.

Question 12

extensor carpi radialis longus

Answer 12

• lateral supracondylar ridge of humerus
• base of 2nd metacarpal
• extension of wrist and radial deviation
• radial n.

Question 13

extensor carpi radialis brevis

Answer 13

• lateral epicondyle of humerus
• base of 3rd metacarpal
• extension of wrist and radial deviation
• radial n.

Question 14

triceps brachii

Answer 14

• long head (infraglenoid tubercle of scapula), lateral head (lat and post surface of humerus above radial groove), medial head (post surface of humerus below radial groove)
• olecranon process of ulna
• extension of sh and elbow
• radial n.

Question 15

trapezius

Answer 15

• occipital b., ligamentum nuchae, spinous processes of C7-T12
• lateral 1/3 of clavicle, acromion and spine of scapula
• superior fibers (extension of head and upward rot of scapula), middle fibers (add of scapula), inferior fibers (upward rot and depression of scapula)
• cervical spinal n. (C3-C5) and accessory n. (CN XI)

Question 16

Teres major

Answer 16

• inferior angle of scapula
• medial lip of intertubercular groove of humerus
• medial rot, add, extension of humerus
• lower subscapular n.

Question 17

subscapularis

Answer 17

• subscapular fossa of scapula
• lesser tubercle of humerus
• medial rot of humerus
• upper and lower subscapular n.

Question 18

supraspinatus

Answer 18

• supraspinous fossa of scapula
• greater tubercle of humerus
• assists deltoid in abduction of humerus
• suprascapular n.

Question 19

flexor carpi radialis

Answer 19

• medial epicondyle of humerus
• base of 2nd and 3rd
• flexion of wrist and radial deviation
• median n.

Question 20

pectoralis minor

Answer 20

• ribs 2-5 near their costal cartilage
• coracoid process of scapula
• abduction and downward rotation of scapula, assists in elevation of ribs when pectoral girdle is fixed
• medial pectoral n.

Question 21

biceps brachii

Answer 21

• long head (supraglenoid tubercle of scapula) and short head (coracoid process of scapula)
• radial tuberosity of radius and deep fascia of forearm via bicipital aponeurosis
• flexion of sh and elbow, supination of forearm
• musculocutaneous n.

Question 22

latissimus dorsi

Answer 22

• spinous processes of T7-L5, iliac crest, sacral crest and inferior 4 ribs
• floor of intertubercular groove of humerus
• medial rot, adduction and extension of humerus
• thoracodorsal n.

Question 23

Levator scapulae

Answer 23

• transverse processes of C1-C4
• upper 1/3 of medial border of scapula
• elevation and downward rotation of scapula
• dorsal scapular n. and cervical n. (C3-C5)

Question 24

brachioradialis

Answer 24

• lateral border of distal end of humerus
• superior to styloid process of radius
• flexion of forearm
• radial n.

Question 25

supinator

Answer 25

• lateral epicondyle of humerus and supinator crest of ulna
• lateral proximal 1/3 of radius
• supination of forearm
• radial n.

Question 26

extensor digitorum

Answer 26

• lateral epicondyle of humerus
• middle and distal phalanges of digits 2-5
• extension of wrist and extension of digits 2-5
• radial n.

Question 27

pronator quadratus

Answer 27

• distal shaft of ulna
• distal shaft of radius
• pronation of forearm
• median n.