Forearm/Hand

Question 1

Pronator Teres

Answer 1

Pronate forearm

Assists in elbow flexion

Question 2

Flexor Carpi Radialis

Answer 2

ABD, flexion of wrist

Assists in forearm pronation and elbow flexion

Question 3

Palmaris Longus

Answer 3

Tenses palmar fascia, flex wrist

Assists in elbow flexion

Question 4

Flexor Digitorum Superficialis

Answer 4

Flexion of PIP of 2-5th digits

Assist in MCP joint flex and wrist flex

Question 5

Flexor Digitorum Profundus

Answer 5

Flexes DIP of 2-5th digits

Assists in PIP, MCP, and wrist flexion

Question 6

Flexor Pollicis Longus

Answer 6

Thumb IP flexion

Assists in MCP and CMC flex and wrist flex

Question 7

Flexor Pollicis Brevis

Answer 7

Flex MCP, CMC of thumb

Assists in opposition, may extend IP joint

Question 8

Pronator Quadratus

Answer 8

Pronate forearm

Question 9

Abductor Pollicis Brevis

Answer 9

Palmar ABD of thumb, CMC and MCP joints
Extend thumb IP joint
Assists in opposition, flexion, and MR or CMC joint

Question 10

Opponens Pollicis

Answer 10

Opposes CMC joint of thumb

Question 11

Lumbricals

Answer 11

Extends IP joint and simultaneously flexes MCP joints of 2-5th digits

Question 12

Flexor Carpi Ulnaris

Answer 12

Flex, ulnarly deviate wrist

Assists in flex of wrist

Question 13

Abductor Digiti Minimi

Answer 13

ABD of pinky MP joint

Assists in opposition and flexion of CMC of 5th digit and assists in extension of IP joint

Question 14

Flexor Digiti Minimi

Answer 14

Flex MCP joint of pinky

Assists in opposition

Question 15

Opponens Digiti Minimi

Answer 15

Opposes 5th CMC joint

Question 16

Interossei

Answer 16

Dorsal
ABD index, middle, ring finger from axial line through third digit
Assists in MCP flexion and extension of IP joint of 2-4th digits
1st assists with thumb ADD
Palmar
ADD 2,4,5 digits
Assists in MCP flexion and extension of IP joints of 2,4,5

Question 17

Adductor Pollicis

Answer 17

ADD CMC and ADD/assists in flex of MCP joint of thumb, assists thumb opposition and ext of IP joint

Question 18

Anconeus

Answer 18

Extend elbow, stabilize ulna during pronation and supination

Question 19

Brachioradialis

Answer 19

Elbow flexion

Assists in pronation and supination of forearm

Question 20

Extensor Carpi Radialis Longus

Answer 20

Extensor, radially deviates wrist

Assist in elbow flexion

Question 21

Extensor Carpi Radialis Brevis

Answer 21

Extensor wrist

Assists in wrist radial deviation

Question 22

Extensor Digitorum

Answer 22

Extend MCP joint and in conjunction with lumbricals and interossei, extend IP joints of 2-5th digits
Assists in ABD index, ring, and pinky
Extend and radial deviate wrist

Question 23

Extensor Digiti Minimi

Answer 23

Extend MCP joint and in conjunction with lumbricals and interossei, extend IP joints of pinky
Assist in ABD of pinky

Question 24

Extensor Carpi Ulnaris

Answer 24

Extend and ulnarly deviate wrist

Question 25

Extensor indicis

Answer 25

Extend MCP joint and in conjunction with lumbricals and interossei, ext IP joint of index finger Assists in ADD of index

Question 26

Abductor pollicis longus

Answer 26

Ext CMC joint of thumb with slight abduction Wrist radial deviation Assist wrist flexion

Question 27

Extensor Pollicis Longus

Answer 27

Extend IP joint Assists thumb MCP and CMC extension Assists wrist radial deviation and extension

Question 28

Extensor Pollicis Brevis

Answer 28

Extend thumb MCP joint Extend and ABD CMC joint Assists in wrist radial deviation

Question 29

Supinator

Answer 29

Supinate forearm