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PCMT Year 2 - Mod 6 > Muscles > Flashcards

Muscles Flashcards

1
Q

Flexor Carpi Ulnaris Origin

A

Humeral head:
common tendon from medial epicondyle of humerus
Ulnar hea:
posterior surface of proximal 2/3 of ulna

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2
Q

Flexor Carpi Ulnaris insertion

A

Pisiform, hook of hamate and base of ulna

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3
Q

Flexor Carpi Ulnaris actions

A

flex the radiocarpal
adduct radiocarpal
assist to flex the humeroulnar joint

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4
Q

Flexor carpi Ulnaris innervation

A

ulnar nerve

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5
Q

flexor Carpi radialis origin

A

common flexor tendon from medial epicondyle of humerus

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6
Q

flexor Carpi radialis insertion

A

bases of 2nd and 3rd metacarpals

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7
Q

flexor Carpi radialis actions

A

flex the radiocarpal joint
abduct the radiocarpal joint
may assist to flex the humeroulnar joint

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8
Q

flexor Carpi radialis innervation

A

median nerve

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9
Q

Palmaris longus origin

A

common flexor tendon from medial epicondyle of humerus

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10
Q

palmaris longus insertion

A

flexor retinaculum and palmar aponeurosis

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11
Q

palmaris longus actions

A

tense the palmar fascia
flex the radiocarpal joint
may assist to flex the humeroulnar joint

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12
Q

palmaris longus innervation

A

median nerve

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13
Q

Flexor digitorum superficialis origin

A

common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament, coronoid process of the ulna, interosseous membrane and proximal shaft of radius

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14
Q

flexor digitorum superficialis insertion

A

sides of middle phalanges of 2nd - 5th fingers

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15
Q

flexor digitorum superficialis actions

A

flex 2nd-5th fingers at the metacarpophalangeal and proximal interphalangeal joints
flex radiocarpal joint

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16
Q

flexor digitorum superficialis innervation

A

median nerve

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17
Q

flexor digitorum profundus origin

A

anterior and medial surface of proximal 3/4 of ulna

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18
Q

flexor digitorum profundus insertion

A

bases of distal phalanges, palmar surface of 2nd through 5th fingers

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19
Q

flexor digitorum profundus actions

A

flex the 2nd -5th fingers at mtp and distal itp joints
assist to flex the radiocarpal joints

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20
Q

flexor digitorum profundus innervation

A

fingers 2/3- median
fingers 4/5- ulnar

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21
Q

pronator quadratus origin

A

medial anterior surface of the distal ulna

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22
Q

pronator quadratus insertion

A

lateral anterior surface of the distal radius

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23
Q

pronator quadratus actions

A

pronates the radioulnar joints

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24
Q

pronator quadratus innervation

A

median nerve

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25
Q

brachialis origin

A

distal 1/2 of anterior surface of the humerus

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26
Q

brachialis insertion

A

tuberosity and the coronoid process of the ulna

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27
Q

brachialis actions

A

flex the humeroulnar joint

28
Q

brachialis innervation

A

musculocutaneous, small branch from radial

29
Q

pronator teres origin

A

common flexor tendon from medial epicondyle of the humerus and coronoid process of the ulna

30
Q

pronator teres insertion

A

middle of lateral surface of the radius

31
Q

pronator teres actions

A

pronate the radioulnar joint
assist to flex the humeroulnar joint

32
Q

pronator teres innervation

A

median

33
Q

extensors Carpi radialis longus origin

A

distal 1/3 of lateral supracondylar ridge of the humerus

34
Q

extensors Carpi radialis longus insertion

A

base of 2nd metacarpal

35
Q

extensors Carpi radialis longus actions

A

extend the radiocarpal joint
abduct the radiocarpal joint
assist to flex the humeroulnar joint

36
Q

extensors Carpi radialis longus innervation

A

radial

37
Q

extensors Carpi radialis brevis origin

A

common extensor tendon from the lateral epicondyle of the humerus

38
Q

extensors Carpi radialis brevis insertion

A

base of 3rd metacarpal

39
Q

extensors Carpi radialis brevis actions

A

extend the radiocarpal
abduct radiocarpal joint
assist to flex the humeroulnar joint

40
Q

supinator origin

A

lateral epicondyle of the humerus, radial collateral ligament, annular ligament and supinator crest of the ulna

41
Q

supinator insertion

A

anterior lateral surface of proximal 1/3 of radial shaft

42
Q

supinator actions

A

supinate the radioulnar joints

43
Q

supinator innervation

A

radial

44
Q

abductor pollicis longus origin

A

posterior surface of radius and ulna and interosseous membrane

45
Q

abductor pollicis longus insertion

A

base of 1st metacarpal

46
Q

abductor pollicis longus actions

A

abduct the thumb at carpometacarpal joint
extend the thumb at the carpometacarpal joint
abduct the radiocarpal joint

47
Q

Deltoid origin

A

lateral 1/3 of clavicle acromion and spine of scapula

48
Q

deltoid insertion

A

deltoid tuberosity

49
Q

deltoid actions

A

all: abduct shoulder

anterior:
flex, medially rotate horizontally adduct
posterior:
extends, laterally rotates and horizontally abducts

50
Q

deltoid innervation

A

axillary nerve

51
Q

biceps brachii origin

A

short head: coracoid process of the scapula
Long head: supragelnoid tubercle of the scapula

52
Q

biceps brachii insertion

A

tuberosity of the radius and aponeurosis of the biceps brachiii

53
Q

biceps brachiii actions

A

flex the gh joint
flex elbow humeroulnar joint
supinate the forearm at radioulnar joints

54
Q

biceps brachii innervation

A

musculocutaneous nerve

55
Q

triceps brachii origin

A

Long head: infraglenoid tubercle of scapula
Lateral: posterior 1/2 of proximal surface of humerus
medial: posterior 1/2 of distal surface of humerus

56
Q

triceps brachii insertion

A

olecranon process of the ulna

57
Q

triceps brachii actions

A

extend the humeroulnar joint
long head: adducts and extend the glenohumeral joint

58
Q

triceps brachii innervation

A

radial nerve

59
Q

brachioradialis origin

A

proximal 2/3 of lateral supracondylar ridge of the humerus

60
Q

brachioradialis insertion

A

styloid process of the radius

61
Q

brachioradialis actions

A

flexes the elbow at humeroulnar joint
assist to pornate or supinate when these movements are resisted.

62
Q

brachioradialis innervation

A

radial nerve

63
Q

Extensor pollicis longus

A

radial nerev
posterior surface of the ulna and interosseous membrane
base of distal phalanx of thumb
extend thumb, abduct wrist

64
Q

extensor pollicis brevis

A

radial
posterior surface of radius and interosseous membrane
base of proximal phalanx of thumb
extend thumb, abduct wrist

65
Q

flexor pollicis longus

A

median
anterior surface of radius and interosseous membrane
base of sital phalanx of thumb
flex thumb, assist to flex wrist

66
Q

abductor pollicis brevis

A

median nerve
flexor retinaculum, trapezium and scophoid tubercle
base of proximal phalanx of thumb
abduct thumb, assist opposition of thumb

PCMT Year 2 - Mod 6 (1 decks)

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