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Anatomy - musc > Action and Innervation > Flashcards

Action and Innervation Flashcards

(92 cards)

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1
Q

Splenius Capitis: Innervation

A

Dorsal rami of spinal nerve

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2
Q

Splenius Capitis: Action

A

Alone: Laterally bend and rotate the head. Together: extend head and neck

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3
Q

Splenius cervicis: Innervation

A

Dorsal rami of spinal nerve

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4
Q

Splenius cervicis: Action

A

Alone: Laterally bend and rotate the head. Together: extend head and neck

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5
Q

Erector Spinae: Iliocostaslis: Innervation

A

Dorsal rami of spinal nerve

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6
Q

Erector Spinae: Iliocostaslis: Action

A

Bilaterally, extend the vertebral column and head, unilaterally they laterally bend the vertebral column, keep the spine erect

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7
Q

Erector Spinae: longissimus: Innervation

A

Dorsal rami of spinal nerve

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8
Q

Erector Spinae: longissimus: Action

A

Bilaterally, extend the vertebral column and head, unilaterally they laterally bend the vertebral column, keep the spine erect

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9
Q

Erector Spinae: Spinalis: Innervation

A

Dorsal rami of spinal nerve

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10
Q

Erector Spinae: Spinalis: Action

A

Bilaterally, extend the vertebral column and head, unilaterally they laterally bend the vertebral column, keep the spine erect

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11
Q

Transversospinalis: Semispinalis: Innervation

A

dorsal rami of spinal nerves

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12
Q

Transversospinalis: Semispinalis: Action

A

Extend head and thoracic cervical regions of vertebral column and rotate contralaterally

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13
Q

Transversospinalis: Multifidius: Innervation

A

Dorsal rami of spinal nerve

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14
Q

Transversospinalis: Multifidius: Action

A

Stabilizes vertebrae during local movements of vertebral column

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15
Q

Transversospinalis: Rotatores: Innervation

A

Dorsal rami of spinal nerve

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16
Q

Transversospinalis: Rotatores: Action

A

Stabilize vertebrae and assist with local extension and rotary movements of vertebral column

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17
Q

Interspinales: innervation

A

Dorsal rami of spinal nerve

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18
Q

Interspinales: action

A

extension and rotation of vertebral column

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19
Q

Intertransversarri: Innervation

A

Dorsal rami of spinal nerves

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20
Q

Intertransversarri: Action

A

lateral bending of vertebral column

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21
Q

Levatores costarum: innervation

A

Dorsal rami of C8-T11 spinal nerve

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22
Q

Levatores costarum: action

A

elevate ribs, inspiration, lateral bending of vertebral column

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23
Q

Pectoralis Major: Innervation

A

Medial and lateral nerve

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24
Q

Pectoralis Major: Action

A

adducts arm, rotates medially/ internal rotation, flexion

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25
Pectoralis Minor: Innervation
medial nerve
26
Pectoralis Minor: action
depresses shoulder, elevates the ribs
27
Subclavius: Innervation
Subclavical nerve
28
Subclavius: Action
Depress the clavicle, stabilization
29
Serratus anterior: Innervation
Long thoracic nerve
30
Serratus anterior: Action
protracts scapula, rotates scapula upward
31
Trapezius: Innervation
Spinal portion of accessory nerve and ventral rami C3- C4
32
Trapezius: Action
elevate the scapula, middle: retracts scapula, lower: pulls scapula downward. Together: rotate scapula upward
33
Latissimus dorsi: Innervation
Thoraco-dorsal nerve
34
Latissimus dorsi: Action
Extends, adducts and medially rotates the arm, stabilize trunk
35
Levator Scapulae: Innervation
Ventral rami of C3 -C4 and dorsal scapular nerve
36
Levator scapulae: Action
Elevates medial border of scapula upward and medially
37
Rhomboid minor: Innervation
Dorsal Scapular nerve (c5)
38
Rhomboid minor: Action
Elevates medial border or scapula upward and medially
39
Rhomboid major: Innervation
Dorsal scapular nerve (C5)
40
Rhomboid major: Action
Elevates medial border of scapula and medially and retracts the scapula
41
Deltoid: Innervation
Axillary nerve
42
Deltoid: Action
Intermediate: Abduction Anterior: Flexion and internally rotate Posterior: Extend and external rotation
43
Supraspinatus: Innervation
Suprascapular nerve
44
Supraspinatus: Action
Abducts arm and stabilizes shoulder
45
Infraspinatus: Innervation
Suprascapular nerve
46
Infraspinatus: Action
External rotation of arm and stabilizes shoulder joint
47
Teres major: Innervation
Lower subscapular nerve
48
Teres major: Action
Internal rotation and adducts arm, stabilizes shoulder
49
Teres minor: Innervation
Axillary nerve
50
Teres minor: Action
External rotation and stabilizes joint
51
Subscapularis: Innervation
Upper and Lower subscapular nerves
52
Subscapularis: Action
internal rotation of arm and stabilizes shoulder joint
53
Biceps brachii long head: Innervation
Musculocutaneous nerve
54
Biceps brachii long head: Action
supinator of forearm flexor of elbow weak flexor of shoulder joint
55
Biceps brachii short head: Innervation
musculocutaneous nerve
56
Biceps brachii short head: Action
forearm supinator, elbow flexor weak shoulder flexor
57
Coracobrachialis: Innervation
Musculocutaneous nerve
58
Coracobrachialis: Action
Arm flexor | weak arm adduction
59
Brachialis: Innervation
musculocutaneous nerve
60
Brachialis: Action
Elbow flexor
61
Ticeps long head: innervation
radial nerve
62
Triceps long head: action
Elbow extensor | Weak extensor and adductor of shoulder
63
Tricpes lateral head: innervation
radial nerve
64
Triceps lateral head: Action
elbow extensor
65
Triceps medial head: Innervation
radial nerve
66
Triceps medial head: Action
elbow extensor
67
Pronator teres humeral head: Innervation
Median nerve
68
Pronator teres humeral head: Action
Pronation and flexion of forearm
69
Pronator teres ulnar head: Innervation
Median nerve
70
Pronator teres ulnar head: Action
Pronation and flexion of forearm
71
Flexor carpi radialis: Innervation
Median nerve
72
Flexor carpi radialis: Action
Flexes and abducts hand at wrist; | weak forearm flexor and pronator
73
Palmaris longus: Innervation
Median nerve
74
Palmaris Longus: Action
wrist flexor
75
Flexor carpi ulnaris humeral head: Innervation
Ulnar nerve
76
Flexor carpi ulnaris humeral head: Action
Flexes and adducts the hand
77
Flexor carpis ulnaris ulnar head: Innervation
Ulnar nerve
78
Flexor carpis ulnaris ulnar head: Action
Flexes and adducts hand
79
Flexor digitorum superficialis humeral head and radial head: Innervation
Median nerve
80
Flexor digitrum superficialis humeral head and redial head: action
flexes middle phalanx and assists in flexing proximal phalanx and hand
81
Flexor policis longus: Innervation
Anterior branch of median nerve
82
Flexor policis longus: action
flexor of distal phlanax of thumb
83
Flexor digitorum profundus : Innervation
Ulnar nerve and median nerve
84
Flexor digitorum profundus: Action
Flexes distal interphalangeal joints of fingers, assist in flexion of middle and proximal phalanges and wrist
85
Pronator quadratus: Innervation
Anterior interosseous branch of median nerve
86
Pronator quadratus: Action
Pronates forearm
87
Extensor carpi radialis longus: Innervation
Radial nerve
88
Extensor carpi radialis longus: Action
Extends and abduction the hand: Weak elbow flexor
89
Extensor carpi radialis brevis: Innervation
Deep branch of radial nerve
90
Extensor carpi radialis brevis: Action
Hand extensor and abductor at wrist joint
91
Extensor digitorum: Innervatoin
Posterior interosseous nerve
92
Extensor digitorum: action
Extends MP joint and hand

Anatomy - musc (1 decks)

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