muscles of forearm

Question 1

pronator teres origins and insertions

Answer 1

humeral - medial epicondyle
ulnar - coronoid process of ulna

Question 2

pronator teres actions

Answer 2

pronation
flexes forearm

Question 3

pronator teres innervation

Answer 3

median nerve

Question 4

pronator quadratus origin and insertion

Answer 4

ulna -> radius

Question 5

pronator quadratus action

Answer 5

pronation of hand

Question 6

pronator quadratus innervation

Answer 6

median nerve

Question 7

flexor carpi radialis origin and insertion

Answer 7

medial epicondyle -> metacarpals

Question 8

flexor carpi radialis action

Answer 8

flexes hand at wrist joint
wrist abduction

Question 9

flexor carpi radialis innervation

Answer 9

median nerve

Question 10

palmaris longus origin and insertion

Answer 10

medial epicondyle -> retinaculum

Question 11

palmaris longus action

Answer 11

flexes hand

Question 12

palmaris longus innervation

Answer 12

median nerve

Question 13

flexor carpi ulnaris origin and insertions

Answer 13

humeral head - medial epicondyle -> pisiform
ulnar head - olecranon -> pisiform

Question 14

flexor carpi ulnaris action

Answer 14

flexion of wrist
adduction of hand

Question 15

flexor carpi ulnaris innervation

Answer 15

ulnar nerve

Question 16

flexor digitorum superficialis insertion

Answer 16

inserts at distal 4 phalanges

Question 17

flexor digitorum superficialis action

Answer 17

flexes proximal interphalangeal joints

Question 18

flexor digitorum superficialis innervation

Answer 18

median nerve

Question 19

flexor digitorum profundus origin and insertion

Answer 19

interosseous membrane -> medial 4 digits

Question 20

flexor digitorum profundus action

Answer 20

flexes distal interphalangeal joints and others

Question 21

flexor digitorum profundus innervation

Answer 21

splits
medial = ulnar nerve
lateral = medial nerve

Question 22

flexor pollices longus origin and insertion

Answer 22

interosseous membrane -> thumb

Question 23

flexor pollices longus action

Answer 23

flexion of distal and proximal phalanx of thumb

Question 24

flexor pollices longus innervation

Answer 24

median nerve

Question 25

supinator origin and insertion

Answer 25

lateral epicondyle -> radius

Question 26

supinator action

Answer 26

rotates radius to supinate forearm

Question 27

supinator innervation

Answer 27

radial nerve

Question 28

brachioradialis origin and insertion

Answer 28

humerus -> radius (styloid process)

Question 29

brachioradialis action

Answer 29

flexes forearm

Question 30

brachioradialis innervation

Answer 30

radial nerve

Question 31

extensor carpi radialis longus origin and insertion

Answer 31

lateral supracondylar ridge of humerus -> metacarpal 2

Question 32

extensor carpi radialis longus action

Answer 32

extension of hand abduction of hand

Question 33

extensor carpi radialis longus innervation

Answer 33

radial nerve

Question 34

extensor carpi radialis brevis origin and insertion

Answer 34

lateral epicondyle -> 3rd metacarpal

Question 35

extensor carpi radialis brevis action

Answer 35

extension of hand abduction of hand

Question 36

extensor carpi radialis brevis innervation

Answer 36

radial nerve

Question 37

extensor digitorum origin and insertion

Answer 37

lateral epicondyle -> medial 4 digits

Question 38

extensor digitorum action

Answer 38

extension of metacarpophalangeal and interphalangeal joints wrist extension

Question 39

extensor digitorum innervation

Answer 39

radial nerve

Question 40

extensor digiti minimi origin and insertion

Answer 40

lateral epicondyle -> 5th digit

Question 41

extensor digiti minimi action

Answer 41

extension of 5th digit wrist extension

Question 42

extensor digiti minimi innervation

Answer 42

radial nerve

Question 43

extensor carpi ulnaris origin and insertion

Answer 43

lateral epicondule/ulna -> base of 5th metacarpal

Question 44

extensor carpi ulnaris action

Answer 44

extension and adduction of wrist

Question 45

extensor carpi ulnaris innervation

Answer 45

radial nerve

Question 46

abductor pollicis longus origin and insertion

Answer 46

ulna/IM/radius -> 1st metacarpal

Question 47

abductor pollicis longus action

Answer 47

abducts thumb and wrist extends thumb laterally rotates thumb

Question 48

abductor pollicis longus innervation

Answer 48

radial nerve

Question 49

extensor pollicis longus origin and insertion

Answer 49

ulna/im -> distal phalanx = thumb

Question 50

extensor pollicis longus action

Answer 50

abduction of thumb extends phalanx thumb

Question 51

extensor pollicis longus innervation

Answer 51

radial nerve

Question 52

extensor indicis origin and insertion

Answer 52

ulna/IM -> 2nd digit

Question 53

extensor indicis action

Answer 53

extends all joints of index finger

Question 54

extensor indicis innervation

Answer 54

radial nerve

Question 55

contents of cubital fossa

Answer 55

- radial nerve - biceps tendon - brachial artery - median nerve

Question 56

nerve supply to anterior portion of arm

Answer 56

musculocutaneous nerve = passes through coracobrachialis