Forearm mm - Action

Question 1

Pronator teres

Answer 1

pronation

flexion of forearm (elbow)

Question 2

Flexor carpi Radialis

Answer 2

flexion of hand at wrist

abduction (radial deviation)

Question 3

Palmaris Longus

Answer 3

flex hand at wrist

tighten palmar aponeurosis

Question 4

Flexor Carpi Ulnaris

Answer 4

flex hand at wrist

adduct (ulnar deviation)

Question 5

Flexor Digitorum Superficialis

*** digits 2-5

Answer 5

flexion of proximal phalanx at MCP joints

flexion of middle phalanx at PIP joints

aids in hand flexion at the wrist

Question 6

Flexor Digitorum Profundus

Answer 6

flexion of DIP jts

aid in finger flexion at MCP and PIP jts

aid in hand flexion at wrist

Question 7

Flexor Pollicis Longus

Answer 7

flexion of distal phalanx of thumb

aids in total thumb flexion

Question 8

Pronator Quadratus

Answer 8

pronates forearm

binds radius and ulna together

Question 9

Brachioradialis

mnemonic – “beerchioradialis,” drinking action

Answer 9

flexes forearm in mid-pronated position

Question 10

Extensor Carpi Radialis Longus

Answer 10

extend hand at wrist

abduct (radial deviation)

active during fist clenching

Question 11

Extensor carpi Radialis Brevis

Answer 11

extend hand at wrist

abduct (radial deviation)

active during fist clenching

Question 12

Extensor Digitorum

Answer 12

finger extension

hand extension

Question 13

Extensor Digiti Minimi

Answer 13

extend 5th digit at MCP

Question 14

Extensor Carpi Ulnaris

Answer 14

extend hand at wrist

adduct (ulnar deviation)

Question 15

Anconeus

Answer 15

extension

decrease valgus stress

move joint capsule

Question 16

Supinator

Answer 16

supinates forearm

Question 17

Extensor Indicis

Answer 17

extend index finger

Question 18

Abductor Pollicis Longus

Answer 18

abduct thumb at 1st CMC jt

accessory extensor of thumb

Question 19

Extensor Pollicis Longus

Answer 19

extend thumb at IP, MCP, and CMC

Question 20

Extensor Pollicis Brevis

Answer 20

extend proximal phalanx of thumb