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HS Exam 1 > Muscles > Flashcards

Muscles Flashcards

1
Q

what muscles connect the trunk to the scapula?

A 
trapezius
pectoralis minor
levator scapulae
rhomboids
serratus anterior
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2
Q

trapezius- attachment, function, innervation

A 
attachment- scapular spine, clavicle, acromion
function- adduct, medially rotate
superior- elevate shoulder
inferior- lower shoulder
innervation- accessory nerve
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3
Q

pectoralis minor- attachment, function, innervation

A

attachment- ribs 3-5 to coracoid process
function- moves scapula forward and down
innervation- medial pectoral nerve

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4
Q

levator scapulae- attachment, function, innervation, blood

A

attachment- superior angle to spine of scapula
function- elevate scapula
innervation- dorsal scapular nerve
blood- transverse cervical artery from the thyrocervical trunk

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5
Q

rhomboids- attachment, function, innervation

A

attachment- medial scapula boarder, below spine
function- retract and elevate scapula
innervation- dorsal scapular nerve

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6
Q

serratus anterior- attachment, function, innervation

A

attachment- upper 8 ribs to medial scapula boarder, superior to inferior angle
function- rotate scapula for abduction, move scapula forward, hold it to rib
innervation- long thoracic nerve

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7
Q

winged scapula

A

damage to long thoracic nerve- serratus anterior isn’t holding scapula against ribs

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8
Q

muscles connecting scapula to humerus?

A 
deltoid
supraspinatus
subscapularis
infraspinatus
teres minor
trees major
coracoidbrachialis
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9
Q

deltoid- attachment, function, innervation, blood

A

attachment- spine of scapula to deltoid tuberosity
function- finish arm abduction
innervation- axillary nerve
blood- thoracoacromial artery, anteiror/posterior circumflex humoral arteries

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10
Q

supraspinatus- attachment, function, innervation

A

attachment- above scapular spine to humerus
function- initiate arm abduction
innervation- suprascapular nerve

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11
Q

infraspinatus- attachment, function, innervation

A

attachment- below scapular spine to humerus
function- lateral rotate and adduct arm
innervation- suprascapular nerve

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12
Q

teres minor- attachment, function, innervation

A

attachment- lateral boarder of scapula to humerus
function- lateral rotate and adduct arm
innervation- axillary nerve

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13
Q

teres major- attachment, function, innervation

A

attachment- inferior angle of scapula to humerus
function- extend, medial rotate and adduct arm
innervation- lower sub scapular nerve

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14
Q

coracoidbrachialis- attachment, function, innervation

A

attachment- coracoid process to mid humerus
function- flex and adduct arm
innervation- musculocutaneous nerve
blood- brachial artery

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15
Q

what muscles are involved in arm abduction?

A

supraspinatus and deltoid

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16
Q

what muscles are involved in arm adduction?

A 
subscapularis
infraspinatus
teres minor
teres major
coracoidbrachialis
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17
Q

what muscles are involved in arm rotation?

A 
subscapularis 
infraspinatus
teres minor
teres major
pectoralis major
latissimus dorsi
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18
Q

muscles from humerus to trunk

A

pectoralis major

latissimus dorsi

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19
Q

pectoralis major- attachment, function, innervation, blood

A

attachment- sternum, clavicle–> humerus
function- adduct and medial rotate arm
innervation- medial and lateral pectoral nerves
blood- thoracoacromial artery and lateral thoracic artery

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20
Q

latissimus dorsi- attachment, function, innervation, blood

A

attachment- spine to humerus
function- extend, adduct and medial rotate arm
innervation- thoracodorsal nerve
blood- thoracodorsal artery from the sub scapular artery from axillary artery

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21
Q

elbow flexors

A

biceps brachii
brachialis
brachioradialis

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22
Q

main elbow flexor

A

brachialis

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23
Q

biceps brachii- attachment, function, innervation, blood

A

attachment- scapula to radial tuberosity
function- elbow flexion, forearm supination
innervation- musculocutaneous
blood- brachial artery

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24
Q

brachialis- attachment, function, innervation, blood

A

attachment- mid humerus to coronoid process of ulna
function- elbow flexor
innervation- musculocutaneous
blood- brachial artery

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25
brachioradialis- attachment, function, innervation
attachment- humerus to distal radius function- elbow flexion innervation- radial nerve
26
elbow extenders
triceps brachii | anconeus
27
triceps brachii- attachment, function, innervation, blood
attachment- scapula/humerus- olecranon process of ulna function- elbow extender innervation- radial nerve blood- deep brachial artery
28
anconeus- attachment, function, innervation
attachment- lateral humerus epicondyle to olecranon process of ulna function- elbow extender innervation- radial nerve
29
where do forearm flexors originate?
medial epicondyle of humerus
30
where do forearm extensors originate?
lateral epicondyle
31
wrist/finger flexors in forearm
``` flexor carpi radialis palmaris longus flexor digitorum superficialis flexor carpi ulnaris flexor pollicis longus flexor digitorum profundus ```
32
flexor carpi radialis- attachment, function, innervation
attachment- medial epicondyle to metacarpal base function- flex and abduct wrist innervation- median nerve
33
palmaris longus- attachment, function, innervation
attachment- medial epicondyle to palmar aponeurosis function- flex wrist innervation- median nerve
34
flexor digitorum superficialis- attachment, function, innervation
attachment- medial epicondyle to middle phalanx 2-5 function- flex wrist and fingers at middle phalanx innervation- median nerve
35
flexor carpi ulnaris- attachment, function, innervation
attachment- medial epicondyle to carpals/metacarpal under pinky function- flex and adduct wrist innervation- ulnar nerve
36
flexor pollicis longus- attachment, function, innervation
attachment- proximal radius to distal thumb phalanx function- flex thumb innervation- median nerve
37
flexor digitorum profundus- attachment, function, innervation
attachment- proximal ulna to distal phalanx 2-5 function- flex wrist and fingers at distal phalanx innervation- medial- ulnar, lateral- median nerve
38
wrist/finger extensors in forearm
``` extensor carpi ulnaris extensor digitorum extensor digiti minimi extensor carpi radialis brevis extensor carpi radialis longus extensor indicis extensor pollicis longus extensor pollicis brevis abductor pollicis longus ```
39
extensor carpi ulnaris- attachment, function, innervation
attachment- lateral epicondyle of humerus to base of metacarpal 5 function- extend and adduct wrist innervation- radial nerve
40
extensor digitorum- attachment, function, innervation
attachment- lateral epicondyle of humerus to digits function- extend wrist and digits 2-5 innervation- radial nerve
41
extensor digiti minimi- attachment, function, innervation
attachment- lateral epicondyle of humerus to digit 5 function- extend pinky innervation- radial nerve
42
extensor carpi radialis brevis- attachment, function, innervation
attachment- lateral epicondyle to metacarpal 3 function- extend and abduct wrist innervation- radial nerve
43
extensor carpi radialis longus- attachment, function, innervation
attachment- humerus to metacarpal 3 function- extend and abduct wrist innervation- radial nerve
44
extensor indicis- attachment, function, innervation
attachment- ulna to digit 2 function- extend digit 2 innervation- radial nerve
45
extensor pollicis longus- attachment, function, innervation
attachment- ulna to base of distal phalanx 1 function- extend thumb innervation- radial nerve
46
extensor pollicis brevis- attachment, function, innervation
attachment- radius to base of distal phalanx 1 function- extend thumb innervation- radial nerve
47
abductor pollicis longus- attachment, function, innervation
attachment- ulna and radius to metacarpal 1 base function abduct wrist and thumb innervation- radial nerve
48
anatomical snuff box boarders
extensor pollicis longus and extensor pollicis brevis
49
pronator teres- attachment, function, innervation
attachment- medial epicondyle, coronoid process of ulna to middle radius function- pronate forearm innervation- median nerve
50
pronator quadratus- attachment, function, innervation
attachment- distal ulna to distal radius function- pronate forearm innervation- median nerve
51
supinator- attachment, function, innervation
attachment- lateral epicondyle of humerus to proximal radius function- supinate forearm innervation- radial nerve
52
subscapularis- attachment, function, innervation, blood
attachment- anterior scapula to humerus function- rotate and adduct arm innervation- upper and lower sub scapular nerve blood- sub scapular artery from axillary artery
53
all for one and one for all
``` order of intrinsic hand muscles abductor pollicis brevis flexor pollicis brevis opponens pollicis adductor pollicis opponens digiti minimi flexor digiti minimi opponens digiti minimi ```
54
PAD and location
palmar interosseous muscles ADduct | on middle finger side
55
DAB and location
doral interosseous muscles ABduct | on sides away from middle fingers and on both sides of middle finger
56
lumbericals
on thumb side of fingers
57
Hip abductors
``` obturator internus gemellus inferior gemellus superior gluteus minimus gluteus medius tensor fascia latae piriformis ```
58
hip adductors
``` gluteus maximus obturator externus quadratus femoris pectineus adductor brevis, longus, magnus gracilis ```
59
hip flexors
psoas major iliacus sartorius rectus femoris
60
hip extensors
gluteus maximus biceps femoris semitendinosus semimembranosus
61
knee flexors
``` gracilis sartorius biceps femoris semitendinosus semimembranosus ```
62
knee extensors
vastus medialis vastus intermedius vastus lateralis rectus femoris
63
where do adductor thigh muscles originate from?
obturator foramen
64
order of the adductors
``` pectineus adductor brevis adductor longus adductor magnus gracilis ```
65
order medial to lateral of anterior thigh
``` sartorius vastus medialis vastus intermedius rectus femoris vastus lateralis ```
66
which thigh muscles span 2 joints? what do they do?
sartorius- flex thigh and flex knee | rectus femoris- flex thigh and extend knee
67
order of hamstring muscles- medial to lateral
semitendinosus semimembranosus biceps femoris
68
how many joints do the hamstrings span?
2
69
plantar flexion muscles
gastrocnemius soleus plantaris
70
plantar flexion and inversion
tibialis posterior
71
dorsiflexion and inversion
tibialis anteiror
72
plantar flexion and eversion
fibularis longus and brevis
73
dorsiflexion and eversion
fibularis tertius
74
what malleolus do the tibialis muscles pass?
medial
75
what malleolus do the fibular muscles pass?
lateral
76
scapular anastamoses
subscapular artery with the transverse cervical and supra scapular arteries
77
what nerve travels with the brachial artery?
median nerve
78
what nerve travels with the profunda brachia artery?
radial nerve
79
what nerve travels with the superior ulnar collateral artery?
ulnar nerve
80
branches off brachial artery
profunda brachii- behind the humerus--splits into medial and radial collateral arteries with join with the radial artery past elbow brachial splits into radial and ulnar but gives off 2 ulnar collatorals first- superior and inferior ulnar splits into the common interosseous common interosseous splits into anterior and posterior
81
what supplies the superficial palmar arch?
ulnar artery
82
what supplies the deep palmar arch?
radial artery
83
what supplies the palmar carpal arch?
anterior interosseous
84
waiter's tip
brachial plexus upper trunk injury sudden increase in angle between head and neck stab
85
clawhand
brachial plexus lower trunk injury | pulling on the arm to stop a fall
86
wrist drop
loss of radial nerve- can't extend wrist, fingers, or elbow
87
winged scapula
long thoracic nerve injury | injury close to vertebral column or along thorax (stab, radical mastectomy)
88
nerve injured with shoulder dislocations or humural neck fractures
axillary- can't abduct shoulder
89
saturday night palsy- wrist drop
radial nerve compression- fall asleep with arm outstretched | loss of elbow and wrist extension
90
humerus fractures
radial nerve injury | loss of elbow and wrist extension
91
million dollar nerve
median nerve- lose innervation to thenar muscles
92
elbow fractures
ulnar nerve | loss of wrist flexion
93
what does the triceps reflex test?
radial nerve
94
musculocutaneous nerve injury deficit
elbo flexion, forearm supination
95
what does the biceps reflex test?
musculocutaneous nerve
96
femoral nerve injury deficit
knee extension hip flexion knee jerk
97
obturator nerve injury deficit
hip adduction
98
sciatic nerve injury deficit
knee flexion + branch functions
99
tibial division of sciatic nerve injury deficit
foot inversion, ankle plantar flexion, ankle jerk
100
common fibular division of sciatic nerve injury deficit
foot eversion, dorsiflexion
101
foot drop presentation
common fibular nerve injury
102
obturator nerve innervates
adductors
103
femoral nerve innervates
iliopsoas and anterior thigh
104
sciatic nerve innervates
hamstrings plus everything distally via the divisions
105
common fibular nerve innervates
anterior leg and foot and sensory there
106
fibular nerve injury deficits
loss of eversion (foot drop) and maybe dorsiflexion
107
tibial nerve innervates
posterior leg

HS Exam 1 (8 decks)

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