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MRCS - Anatomy Cian > UL: Forearm > Flashcards

UL: Forearm Flashcards

1
Q

Superficial layer of muscles of anterior compartment

A

Flexor carpi ulnaris

Palmaris longus

Flexor carpi radialis

Pronator teres

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2
Q

Origin and insertion of flexor carpi ulnaris

A

Humeral head - medial epicondyle

Ulnar head- olecranon

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3
Q

Origin and insertion of palmaris longus

A

Medial epicondyle

To palmar aponeurosis

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4
Q

Origin and insertion of flexor carpi radialis

A

medial epiconyle

base of 2,3 metacapal

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5
Q

Origin and insertion of pronator teres

A

Humeral head: medial epicondyle

Ulnar head: coronoic process

To midshaft of radius

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6
Q

Innervation of superficial muscles of forearm

A

Median- all except flexor carpi ulnaris (ulnar nerve)

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7
Q

Action of flexor carpi ulnaris

A

Wrist flexion

Adduction

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8
Q

Action of palmaris longsu

A

Flexion of wrist

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9
Q

Action of flexor carpi radialis

A

Flexion and abduction of wrist

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10
Q

Action of pronator teres

A

pronation

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11
Q

Intermediate muscles of forearm

A

Flexor digitorum superficialis

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12
Q

Origin and insertion of flexor digitorum superficialis

A

Humero-ulnar head- medial epicondyle and coronoid process

Radial head: oblique line of radius

To middle phalanges

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13
Q

Innervation of flexor digitorum superficialis

A

median nerve

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14
Q

Action of flexor digitorum superficialis

A

flexes PIP joint

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15
Q

Deep muscles of anterior compartment of forearm

A

Flexor digitorum profundus

Flexor pollicis longus

Pronator quadratus

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16
Q

Origin and insertion of flexor digitorum profundus

A

Ulna and interosseus membrane

Distal phalanges

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17
Q

Origin and insertion of flexor pollicis longus

A

Mid radius to distal phalanx of thumb

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18
Q

Origin and insertion of pronator quadratus

A

anterior ulna to anterior radius

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19
Q

Innervation of flexor digitorum profundus

A

Lateral half: anterior interosseus (median)

Medial half: ulnar

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20
Q

Innervation of flexor pollicis longus

A

Anterior interosseous (median)

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21
Q

Innervation of pronator teres

A

Anterior interosseous (median)

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22
Q

Action of flexor digitorum profundus

A

DIP flexion

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23
Q

Action of flexor pollicis longus

A

Flexes IP of thumb

24
Q

Action of pronator quadratus

25
Q

Arteries of anterior compartment of forearm

26
Q

Nerves of anterior forearm

27
Q

Superficial muscles of posterior forearm

A

Brachioradialis

Extensor carpi radialis longus

Extensor carpi radialis brevis

Extensor digitorum

Extensor digit minimi

Extensor carpi ulnaris

Anconeus

28
Q

Origin and insertion extensor carpi radialis longus

A

Lateral supraepicondylar

To dorsal surface base of 2nd metacarpal

29
Q

Origin and insertion of extensor carpi radialis brevis

A

Lateral epicondyle

To base of 2nd and 3rd metacarpal

30
Q

Origin and insertion of extensor digitorum

A

lateral epicondyle to middle and distal phalanges

31
Q

Origin and insertion of extensor digiti minimi

A

Lateral epicondyle

To extensor hood of little

32
Q

Origin and insertion of extensor carpi ulnaris

A

Lateral epicondyle to tubercle base of 5th metacarpal

33
Q

Origin and insertion of anconeus

A

Lateral epicondyle to olecranon

34
Q

Innervation of extensor carpi radialis longus

A

Radial nerve

35
Q

Innervation of extensor carpi radialis brevis

A

Deep branch of radial nerve

36
Q

Innervation of extensor digitorum

A

Posterior interosseous nerve

37
Q

Innervation of digiti minimi

A

Posterior interosseous nerve

38
Q

Innervation of extensor carpi ulnaris

A

Posterior interosseous nerve

39
Q

Innervation of anconeus

A

Radial nerve

40
Q

Function of extensor carpi radialis longus and brevis

A

Extends and abducts wrist

41
Q

Action of extensor digitorum

A

Extends fingers

42
Q

Action of extensor digiti minimi

A

Extends little finger

43
Q

Action of extensor carpi ulnaris

A

Extension and adduction

44
Q

Action of anconeus

A

Abduction of ulna in pronation

45
Q

Deep muscles of posterior compartment of forearm

A

Supinator
Abductor pollicis longus

Extensor pollicis brevis

Extensor pollicis longus

Extensor indicis

46
Q

Origin and insertion of supinator

A

Superficial part: lateral epicondyle

Deep: supinator crest of ulna

To lateral radius

47
Q

Origin and insertion of abductor pollicis longus

A

Ulna and radius

Base of metacarpal 1

48
Q

Origin and insertion of extensor pollicis brevis

A

Radius

To proximal phalanx

49
Q

Origin and insertion of extensor pollicis longus

A

Ulna

Distal phalanx of thumb

50
Q

Origin and insertion of extensor indicis

A

Ulna to extensor hood of finger

51
Q

Innervation of deep posterior compartment of forearm

A

Posterior interosseous

52
Q

Action of supinator

A

Supination

53
Q

Action of extensor indicis

A

Extends index finger

54
Q

Which structure seperates median nerve from ulnar artery

A

pronator teres

55
Q

Where is annular ligament found

A

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

56
Q

Nursmaide elbow

A

Pulled elbow

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

MRCS - Anatomy Cian (23 decks)

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