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Question 1

Pronator Teres

Answer 1

medial epicondyle and medial border of coronoid process of ulna, lateral side of radius

pronate forearm, weakly flex elbow

median nerve

Question 2

Flexor Carpi Radialis

Answer 2

medial epicondyle, base of 2nd (3rd) metacarpals

flex wrist, radial abduction

median nerve

Question 3

Palmaris Longus

Answer 3

medial epicondyle, palmar aponeurosis and flexor retinaculum

flex wrist

median nerve

Question 4

Flexor Carpi Ulnaris

Answer 4

medial epicondyle and olecranon process and posterior border of ulna, pisiform

flex wrist, ulnar adduction

ulnar nerve

Question 5

Flexor Digitorum Superficialis

Answer 5

medial epicondyle and coronoid process, radius below radial tuberosity, sides of middle phalanges of 4 fingers

flex proximal interphalangeal joints, assist flexion of metacarpophalangeal joints and wrist

median nerve

Question 6

Flexor Digitorum Profundas

Answer 6

2/3 upper ulna and adjacent interosseous membrane, base of distal phalanges of 4 fingers

flex distal interphalangeal joints, assist flexion of proximal interphalangeal and metacarpophalangeal joints and wrist

median nerve: lateral 2 fingers
ulnar nerve: medial 2 fingers

Question 7

Pronator Quadratus

Answer 7

ridge on 1/4 distal ulna, 1/4 distal radius

pronate forearm

median nerve

Question 8

Flexor Pollicis Longus

Answer 8

middle of radius and adjacent interosseous membrane, base of distal phalanx of thumb

flex interphalangeal joint of thumb

Question 9

Brachioradialis

Answer 9

lateral supracondylar ridge, base of styloid process of radius

flex the elbow when semi-prone

radial nerve

Question 10

Extensor Carpi Radialis Longus

Answer 10

lateral supracondylar ridge, posterior base of 2nd metacarpal

extend wrist, radial abduction

radial nerve

Question 11

Extensor Carpi Radialis Brevis

Answer 11

lateral epicondyle and radial collateral ligament, base of 3rd metacarpal

extend wrist, radial abduction

radial nerve

Question 12

Extensor Digitorum

Answer 12

lateral epicondyle, base of 4 fingers by the tendons that flatten out to extensor expansions

extend metacarpophalangeal joints, assist extension of interphalangeal joints and wrist

radial nerve

Question 13

Extensor Digiti Minimi

Answer 13

lateral epicondyle, extensor expansion on middle and proximal phalanges of pinky

extend pinky

radial nerve

Question 14

Extensor Carpi Ulnaris

Answer 14

lateral epicondyle and posterior border of ulna, posterior base of 5th metacarpal

extend wrist, ulnar adduction

radial nerve

Question 15

Anconeus

Answer 15

posterior aspect of lateral epicondyle, lateral surface of olecranon process

ulnar ABDUCTION, assist elbow extension

radial nerve

Question 16

Abductor Pollicis Longus

Answer 16

middle of ulna, interosseous membrane, and radius, anterolateral base of metacarpal of thumb

abduct and extend thumb, FLEX AND RADIALLY DEVIATE WRIST

radial nerve

Question 17

Extensor Pollicis Longus

Answer 17

ulna and interosseous membrane, posterior base of distal phalanx of thumb

extend interphalangeal and metacarpophalangeal joints of thumb

radial nerve

Question 18

Extensor Pollicis Brevis

Answer 18

radius and interosseous membrane under EPL, posterior surface of proximal phalanx of thumb

extend metacarpophalangeal joint of thumb, RADIALLY DEVIATE WRIST

radial nerve

Question 19

Extensor Indicis

Answer 19

ulna and interosseous membrane, extensor expansion of index finger

extend index finger

radial nerve

Question 20

Supinator

Answer 20

lateral epicondyle, radial and annular ligaments, supinator crest, lateral aspect of radius

supinate forearm

radial nerve

Question 21

4 Lumbricals

Answer 21

tendons of FPL in the palm, corresponding expanded extensor tendons on proximal phalanges

extend interphalangeal joints, assists flexion of metacarpophalangeal joints

median: lateral 2
ulnar: medial 2

Question 22

3 Palmar Interossei

Answer 22

Anterior surfaces of 2nd, 4th, 5th metacarpals
corresponding extensor expansions on proximal phalanges

adduct 2nd, 4th, 5th fingers
extend interphalangeal joints, flex metacarpophalangeal joints

ulnar nerve

Question 23

4 Dorsal Interossei

Answer 23

adjacent sides of all 5 metacarpals, base of proximal phalanx and extensor expansions on both sides of 3rd finger, 2nd 4th and 5th

abduct 2nd, 3rd, 4th fingers
extend interphalangeal joints, flex metacarpophalangeal joints

ulnar nerve

Question 24

Abductor Digiti Minimi

Answer 24

pisiform, ulnar base of proximal phalanx of pinky

abduct pinky at the metacarpophalangeal joint

ulnar nerve

Question 25

Flexor Digiti Minimi

Answer 25

flexor retinaculum, anteromedial base of proximal phalanx of pinky

flex pinky at the metacarpophalangeal joint

ulnar nerve

Question 26

Opponens Digiti Minimi

Answer 26

flexor retinaculum, ulnar side of metacarpal of pinky

opposition of pinky, assist flexion of carpometacarpal joint of pinky

ulnar nerve

Question 27

Abductor Pollicis Brevis

Answer 27

scaphoid and trapezium, flexor retinaculum, radial base of proximal phalanx of thumb

abduct the thumb at the carpometacarpal and metacarpophalangeal joints, flex metacarpophalangeal joint

median nerve

Question 28

Flexor Pollicis Brevis

Answer 28

flexor retinaculum, lateral base of proximal phalanx of thumb

flex thumb and the metacarpophalangeal joint, adduction and opposition of thumb

median nerve

Question 29

Opponens Pollicis

Answer 29

flexor retinaculum, radial side of thumb metacarpal

opposition of thumb

median nerve

Question 30

Adductor Pollicis

Answer 30

anterior surface of 2nd and 3rd metacarpals and adjoining carpals, anteromedial base of the proximal phalanx of thumb

adduction of carpometacarpal and metacarpophalangeal joints, assist flexion at the metacarpophalangeal joint

ulnar nerve