UL: Forearm

Question 1

Superficial layer of muscles of anterior compartment

Answer 1

Flexor carpi ulnaris

Palmaris longus

Flexor carpi radialis

Pronator teres

Question 2

Origin and insertion of flexor carpi ulnaris

Answer 2

Humeral head - medial epicondyle

Ulnar head- olecranon

Question 3

Origin and insertion of palmaris longus

Answer 3

Medial epicondyle

To palmar aponeurosis

Question 4

Origin and insertion of flexor carpi radialis

Answer 4

medial epiconyle

base of 2,3 metacapal

Question 5

Origin and insertion of pronator teres

Answer 5

Humeral head: medial epicondyle

Ulnar head: coronoic process

To midshaft of radius

Question 6

Innervation of superficial muscles of forearm

Answer 6

Median- all except flexor carpi ulnaris (ulnar nerve)

Question 7

Action of flexor carpi ulnaris

Answer 7

Wrist flexion

Adduction

Question 8

Action of palmaris longsu

Answer 8

Flexion of wrist

Question 9

Action of flexor carpi radialis

Answer 9

Flexion and abduction of wrist

Question 10

Action of pronator teres

Answer 10

pronation

Question 11

Intermediate muscles of forearm

Answer 11

Flexor digitorum superficialis

Question 12

Origin and insertion of flexor digitorum superficialis

Answer 12

Humero-ulnar head- medial epicondyle and coronoid process

Radial head: oblique line of radius

To middle phalanges

Question 13

Innervation of flexor digitorum superficialis

Answer 13

median nerve

Question 14

Action of flexor digitorum superficialis

Answer 14

flexes PIP joint

Question 15

Deep muscles of anterior compartment of forearm

Answer 15

Flexor digitorum profundus

Flexor pollicis longus

Pronator quadratus

Question 16

Origin and insertion of flexor digitorum profundus

Answer 16

Ulna and interosseus membrane

Distal phalanges

Question 17

Origin and insertion of flexor pollicis longus

Answer 17

Mid radius to distal phalanx of thumb

Question 18

Origin and insertion of pronator quadratus

Answer 18

anterior ulna to anterior radius

Question 19

Innervation of flexor digitorum profundus

Answer 19

Lateral half: anterior interosseus (median)

Medial half: ulnar

Question 20

Innervation of flexor pollicis longus

Answer 20

Anterior interosseous (median)

Question 21

Innervation of pronator teres

Answer 21

Anterior interosseous (median)

Question 22

Action of flexor digitorum profundus

Answer 22

DIP flexion

Question 23

Action of flexor pollicis longus

Answer 23

Flexes IP of thumb

Question 24

Action of pronator quadratus

Answer 24

Pronation

Question 25

Arteries of anterior compartment of forearm

Answer 25

Question 26

Nerves of anterior forearm

Answer 26

Question 27

Superficial muscles of posterior forearm

Answer 27

Brachioradialis Extensor carpi radialis longus Extensor carpi radialis brevis Extensor digitorum Extensor digit minimi Extensor carpi ulnaris Anconeus

Question 28

Origin and insertion extensor carpi radialis longus

Answer 28

Lateral supraepicondylar To dorsal surface base of 2nd metacarpal

Question 29

Origin and insertion of extensor carpi radialis brevis

Answer 29

Lateral epicondyle To base of 2nd and 3rd metacarpal

Question 30

Origin and insertion of extensor digitorum

Answer 30

lateral epicondyle to middle and distal phalanges

Question 31

Origin and insertion of extensor digiti minimi

Answer 31

Lateral epicondyle To extensor hood of little

Question 32

Origin and insertion of extensor carpi ulnaris

Answer 32

Lateral epicondyle to tubercle base of 5th metacarpal

Question 33

Origin and insertion of anconeus

Answer 33

Lateral epicondyle to olecranon

Question 34

Innervation of extensor carpi radialis longus

Answer 34

Radial nerve

Question 35

Innervation of extensor carpi radialis brevis

Answer 35

Deep branch of radial nerve

Question 36

Innervation of extensor digitorum

Answer 36

Posterior interosseous nerve

Question 37

Innervation of digiti minimi

Answer 37

Posterior interosseous nerve

Question 38

Innervation of extensor carpi ulnaris

Answer 38

Posterior interosseous nerve

Question 39

Innervation of anconeus

Answer 39

Radial nerve

Question 40

Function of extensor carpi radialis longus and brevis

Answer 40

Extends and abducts wrist

Question 41

Action of extensor digitorum

Answer 41

Extends fingers

Question 42

Action of extensor digiti minimi

Answer 42

Extends little finger

Question 43

Action of extensor carpi ulnaris

Answer 43

Extension and adduction

Question 44

Action of anconeus

Answer 44

Abduction of ulna in pronation

Question 45

Deep muscles of posterior compartment of forearm

Answer 45

Supinator Abductor pollicis longus Extensor pollicis brevis Extensor pollicis longus Extensor indicis

Question 46

Origin and insertion of supinator

Answer 46

Superficial part: lateral epicondyle Deep: supinator crest of ulna To lateral radius

Question 47

Origin and insertion of abductor pollicis longus

Answer 47

Ulna and radius Base of metacarpal 1

Question 48

Origin and insertion of extensor pollicis brevis

Answer 48

Radius To proximal phalanx

Question 49

Origin and insertion of extensor pollicis longus

Answer 49

Ulna Distal phalanx of thumb

Question 50

Origin and insertion of extensor indicis

Answer 50

Ulna to extensor hood of finger

Question 51

Innervation of deep posterior compartment of forearm

Answer 51

Posterior interosseous

Question 52

Action of supinator

Answer 52

Supination

Question 53

Action of extensor indicis

Answer 53

Extends index finger

Question 54

Which structure seperates median nerve from ulnar artery

Answer 54

pronator teres

Question 55

Where is annular ligament found

Answer 55

encircles head of radius, keeping radius in radial notch of proximal ulna

Question 56

Nursmaide elbow

Answer 56

Pulled elbow Subluxation of radial head due to partial tear of the annular ligament