Final Exam Review

Question 1

actions of trapezius (4)

Answer 1

depression
scapular elevation
upward rotation
retraction

Question 2

rhomboid proximal attachment

Answer 2

spinous processes
nuchal ligament (same for trapezius)

Question 3

pectoralis minor proximal attachment

Answer 3

outer surface ribs 3-5

Question 4

actions of rotator cuff mm (supraspinatus, infraspinatus, teres minor)

Answer 4

lateral rotation of humerus
stabilize GH joint
for supraspinatus only: abduction

Question 5

brachialis attachment

Answer 5

proximal: distal shaft, lateral and medial intermuscular septa
distal: ulnar tuberosity, coronoid process

Question 6

brachialis innervation

Answer 6

musculocutaneous AND small branch of radial nerve

Question 7

biceps brachii distal attachment

Answer 7

radial tuberosity

Question 8

biceps brachii actions

Answer 8

shoulder flexion
elbow flexion
FOREARM SUPINATION (BECAUSE DISTALLY ATTACHED TO RADIUS)

Question 9

coracobrachialis action

Answer 9

shoulder flexion

SHOULDER ADDUCTION

Question 10

posterior arm mm distal attachment

Answer 10

olecranon process of ulna

Question 11

anconeus attachment

Answer 11

proximal: lateral epicondyle of humerus
distal: olecranon process of ulna

Question 12

pronator teres attachment

Answer 12

proximal attachment: medial epicondyle, ulnar tuberosity

distal: radius

Question 13

pronator teres action

Answer 13

forearm pronation

FOREARM FLEXION

Question 14

flexor carpi radialis distal attachment

Answer 14

base 2nd metacarpal

Question 15

palmaris longus action

Answer 15

tenses palmar fascia

WRIST FLEXION

Question 16

common action for superficial AND intermediate layer anterior forearm

Answer 16

wrist flexion

Question 17

deep layer anterior forearm mm

Answer 17

flexor digitorum profundus
FLEXOR pollicis longus
pronator quadratus

Question 18

flexor pollicis longus attachment

Answer 18

prox: radius, interosseous membrane
distal: distal phalanx

Question 19

flexor digitorum profundus proximal attachment

Answer 19

ulna, interosseous membrane

Question 20

innervation for deep layer of anterior forearm

Answer 20

median nerve – anterior interosseous nerve

FDP: digits 4-5 – ulnar nerve

Question 21

superficial layer posterior forearm mm (6)

Answer 21

BRACHIORADIALIS
extensor carpi radialis longus
extensor carpi radialis brevis
EXTENSOR DIGITORUM
EXTENSOR DIGITI MINIMI
extensor carpi ulnaris

Question 22

extensor carpi radialis longus attachment

Answer 22

lateral supracondylar ridge of humerus to base of 2nd metacarpal

Question 23

posterior forearm mms that do elbow flexion

Answer 23

extensor carpi radialis longus

brachioradialis

Question 24

extensor carpi radialis longus/brevis distal attachments

Answer 24

longus = base of 2nd metacarpal
brevis = base of 3rd metacarpal

Question 25

extensor digiti minimi distal attachment

Answer 25

digital expansion 5th digit

Question 26

extensor carpi ulnaris distal attachment

Answer 26

base of 5th metacarpal

Question 27

deep layer psoterior forearm mm.

Answer 27

``` supinator extensor indicis outcrop thumb mm: abductor pollicis longus extensor pollicis brevis extensor pollicis longus ```

Question 28

supinator attachment

Answer 28

proximal: supinator crest, radial collat lig, lateral epicondyle distal: radius

Question 29

abductor pollicis longus attachment

Answer 29

proximal: radius, ulna, interr. mem distal: base of 1st metacarpal, trapezium

Question 30

extensor pollicis brevis attachment

Answer 30

proximal: radius, inter mem. distal: base of 1st prox phalanx

Question 31

extensor pollicis longus attachment

Answer 31

proximal: ulna, inter mem distal: base 1st DISTAL phalanx

Question 32

palmar/dorsal interossei action

Answer 32

palmar: adduction, FLEXION, EXTENSION dorsal: abduction, FLEXION, EXTENSION

Question 33

thenar mm

Answer 33

abductor pollicis brevis flexor pollicis brevis opponens pollicis

Question 34

abductor pollicis brevis attachment

Answer 34

proximal: transverse carpal ligament distal: trapezium, base 1st prox phalanx

Question 35

adductor pollicis attachment

Answer 35

proximal oblique head: capitate, 2nd and 3rd metacarpal transverse: 3rd metacarpal

Question 36

adductor pollicis innervation

Answer 36

deep branch ulnar nerve