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MS 100 > ch. 6: muscle palp (back and arms) > Flashcards

ch. 6: muscle palp (back and arms) Flashcards

1
Q

Origin of trapezius

A

MED 1/3 of the SUP nuchal line, inion (EOP), ligamentum nuchae and SP of C7-T12

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2
Q

Insertion of the trapezius

A

LAT third of the clav., acromion process, and the spine of the scapula

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3
Q

innervation of the trapezius

A

Accessory nerve (cranial XI), and cervical nerve C3 & C4

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4
Q

actions for superior fibers of the trapezius

A

elevation of scap, SUP rotation of scap., extension of head and neck, (UL) contralateral ROT’N of head and neck, LAT flexion to the same side

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5
Q

action for the middle fibers of the trapezius

A

retracts scap.

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6
Q

actions of inferior fibers of trap

A

depresses scap, SUP rotates scap

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7
Q

position of patient when palpating upper trap

A

seated

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8
Q

position of clt when palpating middle trap

A

prone

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9
Q

position of clt when palpating lower trap

A

prone

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10
Q

upper trap: what do you palpate and what action do you resist

A

palpate: MED third of SUP nuchal line, EOP, and ligamentum nuchae to C7
Resist: ipsilateral LAT flexion and contralateral rot’n of C-spine

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11
Q

middle trap: what do you palpate and action you resist

A

palpate: C7-T5 SPs
Resist: clts arm abducted to 90 degrees, thumb pointed up, resist scap. retraction

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12
Q

lower trap: what do you palpate and action you resist

A

palpate: T6-T12 SPs
Resist: clts arm abducted to 150 degrees, resist scap depression, “superman” position

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13
Q

origin of Lat

A

SP of T7-S5 via thoracolumbar fascia, POST iliac crest, ribs 10-12, and INF angle of scap

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14
Q

Insertion of Lat

A

floor of bicipital groove of humerus and MED lip of intertubercular sulcus

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15
Q

nerves of Lat

A

thoracodorsal, C6, C7, C8

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16
Q

actions of Lat

A

extends, adducts and MED rotates the humerus and assists with forced inspiration

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17
Q

Levator scapulae origin

A

POST tubercles of TVP’s C1-C4

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18
Q

insertion of Levator scapulae

A

MED border of scap thats SUP to the spine of scap
(including SUP angle)

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19
Q

innervation of Levator scapulae

A

C5–>dorsal scapular n, cervical (C3 and C4)

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20
Q

actions of Levator scapulae

A

elevates scap, rotates scap inferiorly, extension and LAT flexion of C/SP+ (if shoulder is fixed)

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21
Q

origin of Rhomboideus Minor

A

SP of C7-T1

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22
Q

insertion of Rhomboideus Minor

A

MED border of scap including the root and above

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23
Q

innervation of Rhomboideus Minor

A

C5–>dorsal scapular n

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24
Q

actions of Rhomboideus Minor

A

retracts, elevates and rotates scap inferiorly

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25
Q

origins of Rhomboideus Major

A

SP of T2-T5

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26
Q

insertion of Rhomboideus Major

A

vertebral border of scap below scap spine

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27
Q

innervation of Rhomboideus Major

A

C5–> dorsal scapular n

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28
Q

action of Rhomboideus Major

A

retracts, elevates and rotates scap inferiorly

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29
Q

which muscles connect the upper limb to the vertebral column

A

trapezius, latissimus dorsi, levator scapulae, rhomboideus minor AND major

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30
Q

which muscles connect the scap to humerus

A

deltoid and teres major

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31
Q

origin of deltoid

A

lateral 1/3 of clavicle, acromion process and spine of the scap (INF border)

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32
Q

insertion of deltoid

A

deltoid tuberosity of humerus

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33
Q

innervation of deltoid

A

axillary nerve (C5, 6)

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34
Q

actions of delts

A

Middle: abducts humerus at GH jt. (all bellies)
Anterior: flexion and MED rotation of humerus at GH jt.
Posterior: extension and laterally rotates humerus at GH jt.

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35
Q

origin of Teres Major

A

lower 1/3 of LAT border of scap and across INF angle to MED border (excluding tip)

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36
Q

insertion of Teres Major

A

MED lip of intertubercular sulcus of humerus (crest of the lesser tubercle of humerus)

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37
Q

innervation of Teres Major

A

lower subscapular nerve (C5, 6)

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38
Q

actions of Teres Major

A

adducts and MED rotates humerus at GH jt.

39
Q

what’re the rotator cuff mms (4) S.I.T.S

A

supraspinatus, infraspinatus, teres minor, and subscapularis

40
Q

origin of the supraspinatus

A

supraspinous fossa

41
Q

insertion of supraspinatus

A

SUP facet on greater tubercle of humerus and the joint capsule

42
Q

innervation of supraspinatus

A

suprascapular n (C5, 6)

43
Q

action of supraspinatus

A

initiates and then assists deltoid in abduction of humerus at GH JT. and stabilizes GH JT

44
Q

origin of infraspinatus

A

infraspinous fossa

45
Q

insertion of infraspinatus

A

middle facet on greater tubercle of humerus and the JT capsule

46
Q

innervation of infraspinatus

A

suprascapular n (C5, 6)

47
Q

action of infraspinatus

A

LAT rotation of humerus at GH JT and stabilizes GH JT

48
Q

origin of Teres Minor

A

LAT border of scap. (POST surface, SUP 2/3)

49
Q

insertion of teres minor

A

INF facet of greater tubercle of humerus and the joint capsule

50
Q

innervation of teres minor

A

axillary nerve (C5, 6)

51
Q

action of teres minor

A

LAT rot’n of humerus at GH JT and stabilizes joint

52
Q

origin of subscapularis

A

subscapular fossa

53
Q

insertion of subscapularis

A

lesser tubercle of the humerus and the jt capsule

54
Q

innervation of subscapularis

A

upper and lower subscapular nerves (C5, 6)

55
Q

action of subscapularis

A

MED rot’n of humerus at GH jt and stabilizes joint

56
Q

which muscles connect the upper limb to the thoracic wall (4)

A

Pec. major AND minor, serratus ANT, subclavius

57
Q

origin of pec minor

A

ribs 3-5

58
Q

insertion of pec minor

A

coracoid process (MED surface

59
Q

innervation of pec minor

A

MED pectoral nerve (C8, T1)

60
Q

action of pec minor

A

upward tilt (depresses and draws scap anteriorly) and elevates ribs when scap is fixed

61
Q

origin of serratus anterior

A

ribs 1-8 or 9

62
Q

insertion of serratus anterior

A

ANT surface of MED border of scap and INF angle

63
Q

innervation of serratus anterior

A

long thoracic nerve (C5-C8)

64
Q

actions of serratus anterior

A

protracts scap, rotates scap superiorly and elevates ribs when scap is fixed

65
Q

origin of subclavius

A

1st rib and its costal cartilage

66
Q

insertion of subclavius

A

INF surface of clav. (subclavian groove)

67
Q

innervation of subclavius

A

nerve to subclavius (C5,6)

68
Q

action of subclavius

A

depresses and stabilizes clav

69
Q

three heads of pec major

A

clavicular head, sternocostal head, and abdominal head

70
Q

pec major origins

A

ANT surface of MED half of clav,
ANT surface of sternum and the upper 6 costal cartilages,
aponeurosis of external obliques

71
Q

insertion of pec major

A

LAT lip of intertubercular sulcus and the crest of the greater tubercle of the humerus

72
Q

innervation of pec major

A

Lateral (C5-C7) and Medial (C8-T1) pectoral nerve

73
Q

action of pec major

A

adducts, medially rotates, and flexes humerus at GH jt

74
Q

origin of the coracobrachialis

A

coracoid process (tip w/ Short head of biceps)

75
Q

insertion of coracobrachialis

A

middle of MED shaft of humerus

76
Q

innervation of coracobrachialis

A

musculocutaneous nerve (C5-C7)

77
Q

actions of coracobrachialis

A

flexion and adduction of humerus and GH jt

78
Q

origins of biceps brachii
(short head and long head)

A

short head: tip of coracoid process
long head: supraglenoid tubercle of scap

79
Q

insertion of biceps brachii

A

radial/bicipital tuberosity and bicipital aponeurosis

80
Q

innervation of biceps brachii

A

musculocutaneous nerve (C5-C7)

81
Q

actions of biceps brachii

A

flexion at elbow jt and supination of radioulnar jt,

flexion at GH jt

82
Q

origin of brachialis

A

distal 1/2 of ANT surface of humerus

83
Q

insertion of brachialis

A

coronoid process and ulnar tuberosity

84
Q

innervation of brachialis

A

musculocutaneous nerve (C5-C7)

85
Q

action of brachialis

A

flexion at elbow joint

86
Q

origin of triceps brachii

A

long head: infraglenoid tubercle
lateral head: LAT and POST surface of humerus, groove
medial head: POST surface of humerus INF to radial groove

87
Q

insertion of triceps brachii

A

olecranon process of ulna

88
Q

innervation of triceps brachii

A

radial nerve (C5-T1)

89
Q

action of triceps brachii

A

extension of elbow joint and long head assists with extension at GH jt

90
Q

origin of anconeus

A

LAT epicondyle of humerus (POST surface)

91
Q

insertion of anconeus

A

olecranon process and proximal shaft of ulna (POST)

92
Q

innervation of anconeus

A

radial nerve (C5-T1)

93
Q

actions of anconeus

A

extension at elbow jt and stabilizes elbow jt during supination and pronation

MS 100 (15 decks)

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