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Semester 4 PM Exam 3 > Muscle O, I, A, Innervation > Flashcards

Muscle O, I, A, Innervation Flashcards

1
Q

Biceps Brachii - Attachments

A

Long head - supraglenoid tubercle
Short head - coracoid process
Both to the radial tuberosity

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2
Q

Innervation to the biceps brachii

A

Musculocutaneous

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3
Q

Brachialis attachments

A

Distal half of ant humerus to the coronoid process and ulnar tuberosity

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4
Q

Innervation of the brachialis

A

Musculocutaneous AND radial

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5
Q

Biceps brachii function

A

Flexes and supinates forearm

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6
Q

Brachialis function

A

flexes forearm

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7
Q

Coracobrachialis attachments

A

Coracoid process to middle 1/3 of medial humerus

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8
Q

Coracobrachialis action

A

flexion and adduction of the humerus

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9
Q

Innervation of the coracobrachialis

A

musculocutaneous

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10
Q

Pronator teres attachments

A

sup (humeral) head = medial epicondyle
deep (ulnar) head = proximal ulna
Both to the lateral midshaft of the radius

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11
Q

Innvervation of the pronator teres

A

Median nerve

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12
Q

Pronator teres action

A

pronation

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13
Q

Palmaris longus attachments

A

Medial epicondyle to the palmar aponeurosis

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14
Q

Innervation of palmaris longus

A

median

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15
Q

Action of palmaris longus

A

flexes wrist

tenses the palmar aponeurosis

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16
Q

Flexor carpi radialis attachments

A

Medial epicondyle of humerus to the palmar base of Mc 2

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17
Q

Flexor carpi radialis innervation

A

Median

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18
Q

Action of the flexor carpi radialis

A

flexes the wrist

radial deviation of the wrist

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19
Q

Flexor carpi ulnaris attachments

A

Medial epicondyle and olecranon process to the hook of the hamate, pisiform, and Mc 5

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20
Q

Innervation of flexor carpi ulnaris

A

Ulnar

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21
Q

Action of the flexor carpi ulnaris

A

Flex wrist

Ulnar deviation

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22
Q

Flexor digitorum superficialis attachments

A

Medial epicondyle and proximal radius to the base of the intermediate phalanges of digits 2-5

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23
Q

Innervation of flexor digitorum superficialis

A

Median

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24
Q

Action of the flexor digitorum superficialis

A

flex PIP, MCP, and wrist

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25
Flexor digitorum profundus attachments
Ulnar shaft and int membrane to the base of distal phalanx of 2-5
26
Innervation of flexor digitorum profundus
digits 2 and 3 = ant interosseous | digits 4 and 5 = ulnar
27
Action of flexor digitorum profundus
flex DIP, PIP, MCP, and wrist
28
Attachments of the flexor pollicis longus
Radial shaft and int mem to the base of the distal phalanx of digit 1
29
Innervation of the flexor pollicis longus
ant interosseous
30
Action of the flexor pollicis longus
flex 1st CMC, MCP, IP and wrist joints
31
Pronator quadratus attachments
Medial aspect of distal ulna to lateral aspect of distal aspect
32
Innervation of the pronator quadratus
ant interosseous
33
Action of the pronator quadratus
Pronates
34
Triceps attachments
Long = infraglenoid Lat = post humerus sup to radial groove Med = post humerus inf to radial groove All to the olecranon
35
Triceps innervation
radial
36
Triceps action
extension
37
Anconeus attachments
Lateral epicondyle to the lateral olecranon
38
Action of anconeus
assists in extension
39
Brachioradialis attachments
lateral supracondylar ridge to styloid of radius
40
Innervation of brachioradialis
radial
41
Action of brachioradialis
flexion of forearm | some pronation and supination
42
Attachments of extensor carpi radialis longus
lateral supracondylar ridge to dorsal base of Mc 2
43
Innervation of extensor carpi radialis longus
Radial
44
Action of the extensor carpi radialis longus
Extends and radial deviates the wrist
45
Attachments of the extensor carpi radialis brevis
Lateral epicondyle of humerus to dorsal base of Mc 3
46
Innervation of the extensor carpi radialis brevis
Deep branch of radial
47
Action of extensor carpi radialis
Extends and radial deviates wrist
48
Attachments of extensor carpi ulnaris
Lateral epicondyle to the dorsal base of Mc 5
49
Innervation of the extensor carpi ulnaris
Deep branch of radial
50
Action of the extensor carpi ulnaris
Extends and ulnar deviates the wrist
51
Attachments of the Extensor digitorum
Lateral epicondyle to extensor expansion of digits 2-5
52
Innervation of the extensor digitorum
Deep branch of radial
53
Action of extensor digitorum
extends digits 2-5 at all joints | extends the wrist
54
Extensor digiti minimi attachments
lateral epicondyle to the extensor expansion of digit 5
55
Innervation of the extensor digiti minimi
deep branch of the radial
56
Action of extensor digiti minimi
extends digit 5 at all joints | extends wrist and ulnar deviates the wrist
57
Supinator attachments
Lateral epicondyle and olecranon to the proximal lateral radius
58
Innervation of the supinator
Deep branch of radial
59
Supinator action
supinates
60
Abductor pollicis longus attachments
Post ulna, radius, int mem to the base of Mc 1
61
Innervation of abductor pollicis longus
post interosseus
62
Action of abductor pollicis longus
abducts pollex
63
Extensor pollicis longus attachments
post ulna, int mem to the base of distal phalanx of pollex
64
Innervation of extensor pollicis longus
post interosseous
65
Action of extensor pollicis longus
Extends pollex at all joints
66
Extensor pollicis brevis attachments
Post radius, int mem to the base of proximal phalanx of pollex
67
Innervation of ext pollicis brevis
Post int
68
Action of ext pollicis brevis
extends pollex at MCP
69
Attachments of the extensor indicis
Post ulna, int mem to teh extensor expansion of digit 2
70
Innervation of extensor indicis
post int

Semester 4 PM Exam 3 (8 decks)

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