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gross anatomy exam 1 > exam 1 muscles > Flashcards

exam 1 muscles Flashcards

(71 cards)

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1
Q

intervation and action of trapezius

A

spinoaccessory (XI) and ventral rami of C3 and C4

retract and UR

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2
Q

action and innervation levator scapula

A

elevates
DR
-ventral rami of C4-5 (dorsal scapular)

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3
Q

action and innervation of rhomboid major

A
  • DR
  • retract
  • elevate
  • ventral rmai of C4-5 (dorsal scapular)
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4
Q

action and innervaiton of rhomboid minor

A

-DR
-retract
-elevate
ventral rami of C4-5 (dorsal scapular)

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5
Q

action and innervation of latissimus dorsi

A
  • ext arm
  • add arm
  • internal rotation arm
  • DR scap
  • ventral rami of C6-8 (thoracodorsal)
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6
Q

action and innervation of the iliocostalis

A

bilateral = extend back
unilateral= lateral flex
dorsal rami of spinal nerve

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7
Q

action and innervation of longissimus

A

bilateral = extend back
unilateral = lateral flex
dorsal rami of spinal nerve

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8
Q

action and innervation of spinalis

A

bilateral = extend back
unilateral = lateral flex
dorsal rami of spinal nerve

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9
Q

action and innervation of splenius capitus/cervicis

A

bilateral = extend head and neck
unilateral = lateral flex and rotate neck
dorsal rami of spinal nerve

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10
Q

action of semispinalis capitus/cervicis

A 
bilateral = extend head and neck
unilateral = lat flex and contralat rotate neck
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11
Q

action and innervation of semispinalis

A

bilateral = small movements of rotation and extension

dorsal rami of spinal nerve

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12
Q

action and innervation of multifidus

A

bilateral = small movements of rotation and extension

dorsal rami of spinal nerve

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13
Q

action and innervation of rotatores brevis and longus

A

bilateral = small movements of rotation and extension

dorsal rami of spinal nerve

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14
Q

action and innervation of rectus capitus posterior major

A 
bilateral = extend head
unilateral = rotation
suboccipital nerve (doral rami of C1)
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15
Q

action and innervation of rectus capitus posterior minor

A 
extend head
suboccipital nerve (dorsal rami of C1)
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16
Q

action and innervation of obliquus capitus superior

A 
bilateral = extend
unilateral = lat flex
suboccipital nerve (dorsal rami of C1)
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17
Q

action and innervation of obliquus capitus inferior

A 
rotation
suboccipital nerve (dorsal rami of C1)
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18
Q

action and innervation of SCM

A

-bilateral: flex neck and raise sternum
-unilateral: lat flex and turn face up and contralaterally
CN XI accessory

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19
Q

action and innervation of mylohyoid

A

-elevate hyoid
-elevate floor of mouth
-elevate tongue during swallowing
CN V3 (inferior alveolar)

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20
Q

action and innervation of stylohyoid

A

elevate/retract hyoid

CN VII facial

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21
Q

action and innervation of digastric anterior belly

A

-elevate hyoid
-depress mandible during swallowing
CN V3 (inferior alveolar)

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22
Q

action and innervation of digastric posterior belly

A

-elevate hyoid
-depress mandible during swallowing
CN VII facial

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23
Q

action innervation of sternohyoid

A

depress hyoid after swallowing

branch of cervical plexus

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24
Q

action and innervation of omohyoid

A

depress, retract, and steady hyoid

branch of cervical plexus

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25
innervation of thyrohyoid
ventral rami of C1 via CN XII
26
action and innervation of anterior scalene
-unilateral: lat flex neck -elevate 1st rib w/ inspiration branch of cervical plexus
27
actions and innervation of middle scalene
unilateral: lat flex neck elevate 1st rib during inspiration branch of cervical plexus
28
actions and innervation of longus coli
bilateral; flex neck unilateral: lat flex branch of cerival plexus
29
action and innervation of longus capitis
bilateral: flex neck unilateral: lat flex branch of cervical plexus
30
action and innervation of deltoid
ant: flex/MR mid: SBD post: ext/LR axillary nerve
31
action and innervation of supraspinatus
assit in ABD | suprascapular
32
action and innervation of infraspinatus
LR hold humerus in gelnoid cavity suprascapular
33
action and innervation of teres minor
-LR -hold humerus in glenoid cavity axillary nerve
34
action and innervationof teres major
-MR -ADD lower subscapular
35
action and innervation of all tricep brachii
extend arm | radial nerve
36
action and innervation of pronator teres
pronate and flex arm | median nerve
37
action and innervation of flexor carpi radialis
flex wrist radial devation -median nerve
38
action and innervation of palmaris longus
- flex hand | - median nerve
39
action and innervation of flexor carpi ulnaris
flex wrist ulnar devation -ulnar nerve
40
action and innervation of flexor digitorum superficialis
flex PIP flex MP -median nerve
41
action and innervation of flexor digitorum profundus
flex DIP assist in wrist flexion -digits 4,5 = ulnar nerve -digits 2,3 = ant interosseous (median)
42
action and innervation of flexor pollicis longus
flex phalanges of thumb | -anterior interosseous (median)
43
action and innervation of pronator quadratus
pronate | -anterior inerosseous (median)
44
action and innervation of supinator
supination | -deep branch of radial
45
action and innervation of opponens pollicis
oppose thumb | -recurent branch of median
46
aciton and innervation of flexor pollicis brevis
flex thumb | -recurrent branch of median
47
action and innervation of abductor pollicis brevis
abduct thumb | -recurrent branch of median
48
action and innervation of adductor pollicis
adduct thumb | -deep branch of ulnaar
49
action and innervation of opponens digiti minimi
oppose 5th finger | -deep branch of ulnar
50
action and innervation of flexor digiti minimi
flex 5th digit @proximal phalanx | -deep branch of ulnar
51
action and innervation of abductor digiti minimi
abduct 5th finger | -deep branch of ulnar
52
action and innervation of lumbrical muscles
flex MP joints extend IP joints of 2-5 digits -digits 1 and 2=median -digits 3 and 4 = deep branch of ulnar
53
action and innervation of dorsal interossei
abduct 2-4 digits | -deep branch of ulnar
54
action and innervation of palmar interossei
adduct digits 2-5 | -deep branch of ulnar
55
action and innervation of pec major
adduct humerus flex arm MR -lateral and medial pectoral nerve
56
action and innervation of pec minor
DR protract -lateral pectoral nerve
57
action and innervation of biceps brachii
flex arm (in supinated position) supinate -musculocutaneous
58
action and innervation of coracobrachialis
flex arm adduct arm -musculocutaneous
59
action and innervation of brachialis
``` flex arm (prone position) -musculocutaneous ```
60
action and innervation of subscapularis
adducts humerus MR -upper and lower subscapular nerve
61
action and innervation of serratus anterior
protract UR -long thoracic nerve
62
action and innervation of brachioradialis
flex at elbow (in neutral position) | -radial nerve
63
action and innervation of extensor carpi radialis longus
extend wrist radial deviate -radial nerve
64
action and innervation of extensor carpi radialis brevis
extend wrist radial deviate -deep branch of radial nerve
65
action and innervation of extensor digitorum
extend elbow extend hand at wrist extend digits 2-5 -deep branch of radial nerve
66
action and innervation of extensor digiti minimi
extend 5th digit | -deep branch radial nerve
67
action and innervation of extensor carpi ulnaris
extend wrsit ulnar deviate -deep branch of radial nerve
68
action and innervation of abductor pollicis longus
abduct thumb | -posterior inerosseous (radial nerve)
69
action and innervation of extensor pollicis brevis
extend proximal phalanx at MCP | -posterior interosseous (radial nerve)
70
action and innervation of extensor pollicis longus
extend distal phalnx at IP joint | -posterior interousseous (radial nerve)
71
extensor indicis
extend 2nd digit | -posteior interosseous (radial nerve)

gross anatomy exam 1 (16 decks)

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