Muscles For Midterm Palpation Flashcards

1
Q

Tibialis Posterior - Actions

A

INVERT at subtalar
PLANTARFLEX at talocrural

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2
Q

tibialis posterior - innervation

A

tibial nerve

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3
Q

tibialis posterior - origin

A

proximal, posterior shafts of the tibia and fibula and interosseous membrane

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4
Q

tibialis posterior - insertion

A

all 5 tarsal bones
bases of 2nd - 4th metatarsals

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5
Q

Flexor Digitorum Longus - Actions

A

FLEX toes 2-5 at metatarsophalangeal and interphalangeal joints
INVERT at subtalar
WEAK PLANTARFLEXION at talocrural

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6
Q

FDL - innervation

A

tibial nerve

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7
Q

FDL - origin

A

middle, posterior surface of the tibia

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8
Q

FDL - insertion

A

distal phalanges of 2nd-5th toes

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9
Q

Flexor Hallucis Longus - Actions

A

FLEX 1st toe at metatarsophalangeal and interphalangeal joints
INVERT at subtalar
WEAK PLANTARFLEXION at talocrural

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10
Q

FHL - innervation

A

tibial nerve

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11
Q

FHL - origin

A

middle half of the posterior fibula

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12
Q

FHL - insertion

A

distal phalanx of 1st toe

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13
Q

Tibialis Anterior - Actions

A

INVERT subtalar
DORSIFLEX talocrural

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14
Q

tibialis anterior - innervation

A

deep fibular nerve

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15
Q

tibialis anterior - origin

A

lateral condyle of the tibia
proximal lateral surface of the tibia
interosseous membrane

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16
Q

tibialis anterior - insertion

A

base of the 1st metatarsal
medial cuneiform

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17
Q

Sartorius - Actions

A

FLEX coxal
LATERALLY ROTATE coxal
ABDUCT coxal

FLEX tibiofemoral
MEDIALLY ROTATE flexed tibiofemoral

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18
Q

sartorius - innervation

A

femoral nerve (L2-L4)

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19
Q

sartorius - origin

A

ASIS (anterior superior iliac spine)

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20
Q

sartorius - insertion

A

proximal, medial shaft of the tibia at the pes anserinus tendon

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21
Q

Gracilis - Actions

A

ADDUCT coxal
MEDIALLY ROTATE coxal

FLEX tibiofemoral
MEDIALLY ROTATE flexed tibiofemoral

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22
Q

gracilis - innervation

A

anterior branch of obturator nerve (L2-L4)

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23
Q

gracilis - origin

A

inferior ramus of the pubis

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24
Q

gracilis - insertion

A

proximal, medial shaft of the tibia at the pes anserinus tendon

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25
Q

Adductor Brevis - Actions

A

ADDUCT coxal
MEDIALLY ROTATE coxal
assist to FLEX coxal

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26
Q

adductor brevis - innervation

A

obturator nerve (L2-L4)

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27
Q

adductor brevis - origin

A

inferior ramus of the pubis

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28
Q

adductor brevis - insertion

A

pectineal line
medial lip of the linea aspera

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29
Q

Adductor Longus - Actions

A

ADDUCT coxal
MEDIALLY ROTATE coxal
assist to FLEX coxal

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30
Q

adductor longus - innervation

A

obturator nerve

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31
Q

adductor longus - origin

A

pubic tubercle

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32
Q

adductor longus - insertion

A

pectineal line
medial lip of the linea aspera

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33
Q

Rectus Femoris - Actions

A

FLEX coxal
EXTEND tibiofemoral

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34
Q

rectus femoris - innervation

A

femoral nerve

35
Q

rectus femoris - origin

A

AIIS

36
Q

rectus femoris - insertion

A

tibial tuberosity via patella and patellar tendon

37
Q

Semimembranosus - Actions

A

FLEX tibiofemoral
MEDIALLY ROTATE flexed tibiofemoral

EXTEND coxal
Assist to MEDIALLY ROTATE coxal

Bilaterally:
Tilt pelvis POSTERIORLY

38
Q

semimembranosus - innervation

A

sciatic nerve (tibial branch)

39
Q

semimembranosus - origin

A

ischial tuberosity

40
Q

semimembranosus - insertion

A

posterior aspect of the medial condyle of the tibia

41
Q

Splenius cervicis - Actions

A

Unilaterally:
ROTATE same side
LATERALLY FLEX

Bilaterally:
EXTEND neck

42
Q

splenius cervicis - innervation

A

cervical nerve

43
Q

splenius cervicis - origin

A

spinous processes of T3-T6

44
Q

splenius cervicis - insertion

A

transverse processes of C1-C3

45
Q

Pectoralis minor - Actions

A

DEPRESS scapulothoracic
PROTRACT scapulothoracic
DOWNWARDLY ROTATE scapulothoracic

With scapula fixed: assist to elevate thorax during forced inhalation

46
Q

pectoralis minor - innervation

A

medial pectoral nerve, with fibers from a communicating branch of the lateral pectoral nerve

47
Q

pectoralis minor - origin

A

3rd, 4th, 5th ribs

48
Q

pectoralis minor - insertion

A

medial surface of the coracoid process of the scapula

49
Q

Splenius capitus - Actions

A

Unilaterally:
ROTATE neck same side
LATERALLY FLEX neck

Bilaterally:
EXTEND the neck

50
Q

splenius capitus - innervation

A

cervical nerve

51
Q

splenius capitus - origin

A

inferior 1/2 of the ligamentum nuchae
spinous processes of C7-T4

52
Q

splenius capitus - insertion

A

mastoid process and lateral portion of superior nuchal line

53
Q

Pectoralis major - Actions

A

all fibers:
ADDUCT glenohumeral
MEDIALLY ROTATE glenohumeral
Assist to elevate thorax during forced inhalation

Upper fibers:
FLEX glenohumeral
HORIZONTALLY ADDUCT glenohumeral

Lower fibers:
EXTEND glenohumeral

54
Q

Pectoralis Major - innervation

A

upper fibers: lateral pectoral nerve
lower fibers:
medial and lateral pectoral nerves

55
Q

pectoralis major - origin

A

medial 1/2 of the clavicle
sternum
cartilage of ribs 1-6

56
Q

pectoralis major - insertion

A

crest of the greater tubercle of the humerus

57
Q

serratus anterior - Actions

A

with the origin fixed:
ABDUCT scapulothoracic
UPWARDLY ROTATE scapulothoracic
DEPRESS scapulothoracic
HOLD the medial border of the scapula against the ribcage

with the scapula fixed:
may act to ELEVATE the thorax during forced inhalation

58
Q

serratus anterior - innervation

A

long thoracic nerve

59
Q

serratus anterior - origin

A

external surfaces of upper 8 or 9 ribs

60
Q

serratus anterior - insertion

A

anterior surface of the medial border of the scapula

61
Q

subscapularis - Actions

A

MEDIALLY ROTATE glenohumeral
STABILIZE the head of the humerus in the glenoid cavity

62
Q

subscapularis - innervation

A

upper and lower subscapular nerves

63
Q

subscapularis - origin

A

subscapular foss of the scapula

64
Q

subscapularis - insertion

A

lesser tubercle of the humerus

65
Q

supraspinatus - Actions

A

ABDUCT glenohumeral
STABILIZE the head of the humerus in the glenoid cavity

66
Q

supraspinatus - innervation

A

suprascapular nerve

67
Q

supraspinatus - origin

A

supraspinous fossa of the scapula

68
Q

supraspinatus - insertion

A

greater tubercle of the humerus

69
Q

infraspinatus - Actions

A

LATERALLY ROTATE glenohumeral
ADDUCT glenohumeral
STABILIZE the head of the humerus in the glenoid cavity

70
Q

infraspinatus - innervation

A

suprascapular nerve

71
Q

infraspinatus - origin

A

infraspinous fossa of the scapula

72
Q

infraspinatus - insertion

A

greater tubercle of the humerus

73
Q

subclavius - Actions

A

DEPRESS the clavicle and draw it anteriorly
ELEVATE the 1st rib (to assist during inhalation)
STABILIZE the sternoclavicular joint

74
Q

subclavius - innervation

A

subclavian nerve

75
Q

subclavius - origin

A

1st rib and cartilage

76
Q

subclavius - insertion

A

inferior surface of the middle 1/3 of the clavicle

77
Q

teres minor - Actions

A

LATERALLY ROTATE glenohumeral
ADDUCT glenohumeral
STABILIZE the head of the humerus in the glenoid cavity

78
Q

teres minor - innervation

A

axillary nerve

79
Q

teres minor - origin

A

upper 2/3 of the lateral border of the scapula

80
Q

teres minor - insertion

A

greater tubercle of the humerus

81
Q

teres major - Actions

A

ADDUCT glenohumeral
EXTEND glenohumeral
MEDIALLY ROTATE glenohumeral

82
Q

teres major - innervation

A

lower subscapular nerve

83
Q

teres major - origin

A

inferior angle and lower 1/3 of the lateral border of the scapula

84
Q

teres major - insertion

A

crest of the lesser tubercle of the humerus