Page 3 (Forearm)

Question 0

Palmaris longus - insertion

Answer 0

Palmar aponeurosis

Question 1

Palmaris longus - origin

Answer 1

Medial epicondyle of humerus

Question 2

Palmaris longus - action

Answer 2

Flexes the wrist

Question 3

Palmaris longus - innervation

Answer 3

Median nerve (C7, C8)

Question 4

Flexor carpi ulnaris - origin - humeral head

Answer 4

Medial epicondyle of humerus

Question 6

Flexor carpi ulnaris - ulnar head - origins (2)

Answer 6

Medial border of olecranon and proximal 2/3 of ulna

Question 7

Flexor carpi ulnaris - insertions (3)

Answer 7

Pisiform, hook of hamate, and base of 5th metacarpal

Question 7

Flexor carpi ulnaris - nerve

Answer 7

Ulnar nerve (C7, C8)

Question 8

Flexor carpi ulnaris - actions (2)

Answer 8

Flex wrist, adducts hand (ulnar deviation)

Question 9

Flexor digitorum superficialis - insertion

Answer 9

Shafts of the middle phalanges of digits 2-5

Question 11

Flexor digitorum superficialis - origins (2)

Answer 11

Humeroulnar head - medial epicondyle of humerus

Radial head - middle 1/3 of radius

Question 12

Flexor digitorum superficialis - action

Answer 12

Flexes proximal interphalangeal (PIP) joint

Question 12

Flexor digitorum profundus - insertion

Answer 12

Base of the distal phalanx of digits 2-5

Question 13

Flexor digitorium superficialis - innervation

Answer 13

Median nerve (C7, C8, T1)

Question 14

Flexor digitorum profundis - origins (2)

Answer 14

Ulna and interosseous membrane

Question 15

Flexor digitorum profundus - action

Answer 15

Flexes the distal interphalangael (DIP) joint

Question 16

Flexor pollicis longus - insertion

Answer 16

Base of distal phalanx of thumb

Question 17

Flexor digitorum profundus - innervation

• Lateral portion
• Medial portion

Answer 17

Lateral: anterior interosseous nerve (AIN, median; C8, T1)
Medial: ulnar nerve (C8, T1)

Question 18

Flexor pollicis longus - origins (2)

Answer 18

Anterior surface of radius and interosseous membranes

Question 19

Flexor pollicis longus - action

Answer 19

Flex interphalangael joint of thumb

Question 20

Pronator quadratus - origin

Answer 20

Distal 1/4 of ulna

Question 21

Flexor pollicis longus - innervation

Answer 21

Anterior interosseous nerve (AIN, median nerve) (C8, T1)

Question 22

Pronator quadratus - action

Answer 22

Pronates the forearm

Question 23

Pronator quadratus - insertion

Answer 23

Distal 1/4 of radius

Question 24

Pronator quadratus - innervation

Answer 24

Anterior interosseous nerve (AIN; median nerve) (C8, T1)

Question 25

Brachialradialis - insertion

Answer 25

Lateral side of distal end of radius

Question 26

Brachioradialis - action

Answer 26

Flexes the elbow

Question 27

Brachioradialis - innervation

Answer 27

Radial nerve (C5, C6, C7)

Question 28

Brachioradialis - origin

Answer 28

Proximal 2/3 of lateral supracondylar ridge of humerus

Question 29

Extensor carpi radialis longus - insertion

Answer 29

Base of second metacarpal bone

Question 30

Extensor carpi radialis longus - actions (2)

Answer 30

Extends the wrists and abducts the hand (radial deviation)

Question 31

Extensor carpi radialis longus - innervation

Answer 31

Deep radial nerve (C6, C7)

Question 32

Extensor carpi radialis brevis - origin

Answer 32

Lateral supracondylar ridge of the humerus (Common extensor tendon)

Question 33

Extensor carpi radialis longus - origin

Answer 33

Distal 1/3 of lateral supracondylar ridge of humerus

Question 34

Extensor carpi radialis brevis - insertion

Answer 34

Base of third metacarpal bone

Question 35

extensor carpi radialis brevis - innervation

Answer 35

Radial nerve (C7, C8)

Question 36

Extensor carpi radialis brevis - actions (2)

Answer 36

Extends wrists and abducts hand (radial deviation)

Question 37

Extensor digitorum - origin

Answer 37

Lateral epicondyle of humerus (common extensor tendon)

Question 38

Extensor digitorum - insertion

Answer 38

Extensor expansion of middle and distal phalanges of 2-5

Question 39

Extensor digitorum - action

Answer 39

Extends the MCP, PIP, and DIP joints of the 2nd - 5th digit

Question 40

Extensor digitorum - innervation

Answer 40

Deep radial nerve (C7, C8)

Question 41

Extensor digiti minimi - origin

Answer 41

Lateral epicondyle of the humerus (common extensor tendon)

Question 42

Extensor digiti minimi - insertion

Answer 42

Extensor expansion of the 5th digit

Question 43

Extensor digiti minimi - action

Answer 43

Extends the MCP, PIP, and DIP joints of the 5th digit

Question 44

Extensor digiti minimi - innervation

Answer 44

Deep radial nerve (C7, C8)