Lecture 16

Question 1

short notes on the proximal aspect forearm

Answer 1

most major blood vessels and nerves pass between arm and forearm through cubital fossa

Question 2

Short notes on the distally aspect forearm

Answer 2

structures pass between forearm and hand through carpal tunnel

Question 3

Short notes on the anterior compartment

Answer 3

Muscles that flex wrist and digits and pronate the hand

innervated mostly by median nerve also ulnar nerve

Question 4

short notes on the posterior compartment

Answer 4

muscles that extend the wrist and digits and supinate the hand

innervated by radial nerve

Question 5

Flexor digitorum profundus: Origin

Answer 5

Anterior and medial surface of unla and interosseous membrane

Question 6

flexor digitorum profundus : insertion

Answer 6

Tendons attach to Palmar surface of distal phalanx of 4 medial digits

Question 7

Flexor digitorum profundus: Innervation

Answer 7

lateral: median nerve
medial: ulnar nerve

Question 8

Flexor digitorum profundus: Function

Answer 8

Flexor of the digits and wrist

Question 9

Flexor pollius longus : Origin

Answer 9

Anterior surface of the radius and interosseous membrane

Question 10

Flexor Pollius Longus: insertion

Answer 10

Base of distal phalanx of thumb

Question 11

Flexor pollius Longus: Innervation

Answer 11

Median nerve

Question 12

Flexor pollius Longus: Function

Answer 12

Flexor of thumb joint

Question 13

Pronator quadratus: origin

Answer 13

surface of distal shaft of ulna

Question 14

Pronator quadratus: Insertion

Answer 14

distal anterior surface of radius

Question 15

Pronator quadratus: Innervation

Answer 15

Median nerve

Question 16

Pronator quadratus: Function

Answer 16

Pronation

Question 17

extensor digitorum by the forearm: Origin

Answer 17

Lateral epicondyle

Question 18

Extensor digitorum by the forearm: Insertion

Answer 18

Medial and distal phalanges

Question 19

Extensor digitorum by the forearm: Innervation

Answer 19

Radial nerve

Question 20

Extensor digitorum by the forearm: Function

Answer 20

Extension of fingers and wrist

Question 21

Extensor carpi ulnaris: Origin

Answer 21

Lateral epicondyle of humerus

Question 22

Extensor carpi ulnaris: Insertion

Answer 22

Base of thr 5th metacarpal

Question 23

Extensor Carpi ulnaris: Innervation

Answer 23

Radial Nerve

Question 24

Extensor Carpi ulnaris: Function

Answer 24

Extension and adduction of hand at wrist joint

Question 25

Extensor digitil mimi: Origin

Answer 25

Lateral epicondyle of humerus

Question 26

Extensor digitil mini: Insertion

Answer 26

Extensor expansion of little finger

Question 27

Extensor digitil mimi: innervation

Answer 27

Radial nerve

Question 28

Extensor digitil mimi: function

Answer 28

Extension of joints of little finger

Question 29

Extensor carpi radials brevis: Origin

Answer 29

Lateral Supracondylar ridge of humerus

Question 30

Extensor carpi radials brevis: Insertion

Answer 30

Posterior surface of base of 3rd metacarpal

Question 31

extensor carpi radials brevis: Innervation

Answer 31

Radial nerve

Question 32

Extensor carpi radials brevis: Function

Answer 32

extension and abduction of hand at wrist joint

Question 33

Extensor carpi longus: Origin

Answer 33

Lateral supracondylar ridge of humerus

Question 34

Extensor carpi longus: Insertion

Answer 34

posterior surface of 2nd metacarpal

Question 35

Extensor carpi longus: Innervation

Answer 35

Radial nerve

Question 36

Extensor carpi longus: Function

Answer 36

Extension and abduction of hand at wrist joint

Question 37

Brachioradiolis: Origin

Answer 37

Lateral supracondylar ridge of humerus

Question 38

Brachioradiolis: Insertion

Answer 38

Base if styloid process of radius

Question 39

Brachioradiolis: Innervation

Answer 39

Radial nerve

Question 40

Brachioradiolis: Function

Answer 40

Flexion of forearm at elbow rotates forearn to

Question 41

Supinator: Origin

Answer 41

lateral epicondyle of humerus anular ligament supinator crest of ulna

Question 42

Supinator: Insertion

Answer 42

Neck and shaft of radius

Question 43

Supinator: Innervation

Answer 43

Radial nerve

Question 44

Supinator: Function

Answer 44

Supination of the forearm

Question 45

Adductor pollicis longus : Origin

Answer 45

Posterior surface of radius and ulna

Question 46

Adductor pollicis Longus: Insertion

Answer 46

Base 1st metacarpal

Question 47

Adductor pollicis Longus : Innervation

Answer 47

Radial nerve

Question 48

Adductor pollicis Longus:

Answer 48

adduction and extension of the thumb

Question 49

extentsor indicis : Origin

Answer 49

Posterior surface of shaft of ulna and interosseous membrane

Question 50

Extensor indicis: Insertion

Answer 50

Extensor expansion of index finger

Question 51

Extensor indics: Innervation

Answer 51

Radial nerve

Question 52

Extensor indics: Function

Answer 52

Extenstion of MCP joint of index finger

Question 53

Extensor pollics longus : Origin

Answer 53

Posterior surface of shaft of ulna and interosseous membrane

Question 54

Extensor pollics longus: Insertion

Answer 54

base of distal phalanx of thumb

Question 55

Extensor pollics longus: Innervation

Answer 55

Radial nerve

Question 56

extensor pollics longus; Function

Answer 56

Extenstion of distal phalanx of thumb

Question 57

Extensor pollics brevis: Origin

Answer 57

Posterior surface of radius interosseous membrane

Question 58

Extensor pollics brevis: Insertion

Answer 58

Base of proximal phalanx of thumb

Question 59

Extensor pollics brevis: Innervation

Answer 59

Radial nerve

Question 60

Extensor pollicis brevis: Function

Answer 60

Extension of Metacarpal joint of thumb