Forearm + hand

Question 1

carpal bones

Answer 1

bottom row -

• scaphoid
• lunate
• triquetrum
• pisiform

top row -

• trapezium
• trapezoid
• capitate
• hamate

some lovers try positions that they cannot handle

Question 2

anterior + posterior forearm compartments separated by

Answer 2

• lateral intermuscular septum - radius to fascia
• interosseous membrane
• attachment of deep fascia into posterior border of ulna

Question 3

superficial anterior muscles of forearm

Answer 3

PFPF
pronator teres
flexor carpi radialis
palmaris longus
flexor carpi ulnaris

Question 4

4 superficial anterior forearm muscles originate at

Answer 4

medial epichondyle

Question 5

which anterior superfifial muscle of forearm is NOT innervated by median nerve?

Answer 5

flexor carpi ulnaris –> ulnar nerve

Question 6

insertion pronator teres

Answer 6

mid-lateral radial shaft

Question 7

as well as flexing forearm, pronator teres + flexor carpi radialis do what?

Answer 7

• pronates forearm

- abducts HAND at wrist joint

Question 8

action flexor carpi ulnaris

Answer 8

flexes WRIST

adducts wrist

Question 9

insertion flexor carpi ulnaris

Answer 9

hook of hamate
pisiform
base of metacarpal 5

Question 10

insertion flexor carpi radialis

Answer 10

base of metacarpals 2 + 3

Question 11

insrtion palmaris longus

Answer 11

flexor retinaculum

palmar aponeurosis

Question 12

action palmaris longus

Answer 12

accessory flexor at wrist

Question 13

intermediate muscles of anterior forearm

Answer 13

flexor digitorum superficialis

Question 14

origin flexor digitorum superficialis

Answer 14

common flexor tendon
anterior surface radial shaft
coronoid process

Question 15

insertion flexor digitorum superficialis

Answer 15

middle phalanges of digits 2-5

Question 16

innervation flexor digitorum superficialis

Answer 16

median nerve

Question 17

action flexor digitorum superficialis

Answer 17

flexes middle + proximal phalanges + wrist

Question 18

deep anterior muscles of forearm

Answer 18

flexor pollicis longus
flexor digitorum profundus
pronator quadratus

Question 19

origin flexor pollicis longus

Answer 19

medial epichondyle

anterior surface radius

Question 20

insertion flexor pollicis longus

Answer 20

base of distal phalanx of thumb

Question 21

innervation flexor pollicis longus

Answer 21

median nerve (interosseous branch)

Question 22

action flexor pollicis longus

Answer 22

flexes thumb

Question 23

origin flexor digitorum profundus

Answer 23

upper 3/4 anterior shaft of ULNA

adjacent interosseous membrane

Question 24

insertion flexor digitorum profundus

Answer 24

base of distal phalanges 2-5

- through split tendons of flexor digitorum superficialis

Question 25

innervation flexor digitorum profundus

Answer 25

digits 2 + 3 --> median nerve | digits 4 + 5 --> ulnar

Question 26

action flexor digitorum profundus

Answer 26

flexes distal phalanges of digits 2-5

Question 27

origin + insertion pronator quadratus

Answer 27

``` origin = distal 1/4 surface ulna insert = distal 1/4 surface radius ```

Question 28

innervation pronator quadratus

Answer 28

median nerve ( aneterior interosseous branch)

Question 29

action pronator quadratus

Answer 29

pronates forearm - pulls radius over ulna