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

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

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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
origins of Rhomboideus Major
SP of T2-T5
26
insertion of Rhomboideus Major
vertebral border of scap below scap spine
27
innervation of Rhomboideus Major
C5--> dorsal scapular n
28
action of Rhomboideus Major
retracts, elevates and rotates scap inferiorly
29
which muscles connect the upper limb to the vertebral column
trapezius, latissimus dorsi, levator scapulae, rhomboideus minor AND major
30
which muscles connect the scap to humerus
deltoid and teres major
31
origin of deltoid
lateral 1/3 of clavicle, acromion process and spine of the scap (INF border)
32
insertion of deltoid
deltoid tuberosity of humerus
33
innervation of deltoid
axillary nerve (C5, 6)
34
actions of delts
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.
35
origin of Teres Major
lower 1/3 of LAT border of scap and across INF angle to MED border (excluding tip)
36
insertion of Teres Major
MED lip of intertubercular sulcus of humerus (crest of the lesser tubercle of humerus)
37
innervation of Teres Major
lower subscapular nerve (C5, 6)
38
actions of Teres Major
adducts and MED rotates humerus at GH jt.
39
what're the rotator cuff mms (4) S.I.T.S
supraspinatus, infraspinatus, teres minor, and subscapularis
40
origin of the supraspinatus
supraspinous fossa
41
insertion of supraspinatus
SUP facet on greater tubercle of humerus and the joint capsule
42
innervation of supraspinatus
suprascapular n (C5, 6)
43
action of supraspinatus
initiates and then assists deltoid in abduction of humerus at GH JT. and stabilizes GH JT
44
origin of infraspinatus
infraspinous fossa
45
insertion of infraspinatus
middle facet on greater tubercle of humerus and the JT capsule
46
innervation of infraspinatus
suprascapular n (C5, 6)
47
action of infraspinatus
LAT rotation of humerus at GH JT and stabilizes GH JT
48
origin of Teres Minor
LAT border of scap. (POST surface, SUP 2/3)
49
insertion of teres minor
INF facet of greater tubercle of humerus and the joint capsule
50
innervation of teres minor
axillary nerve (C5, 6)
51
action of teres minor
LAT rot'n of humerus at GH JT and stabilizes joint
52
origin of subscapularis
subscapular fossa
53
insertion of subscapularis
lesser tubercle of the humerus and the jt capsule
54
innervation of subscapularis
upper and lower subscapular nerves (C5, 6)
55
action of subscapularis
MED rot'n of humerus at GH jt and stabilizes joint
56
which muscles connect the upper limb to the thoracic wall (4)
Pec. major AND minor, serratus ANT, subclavius
57
origin of pec minor
ribs 3-5
58
insertion of pec minor
coracoid process (MED surface
59
innervation of pec minor
MED pectoral nerve (C8, T1)
60
action of pec minor
upward tilt (depresses and draws scap anteriorly) and elevates ribs when scap is fixed
61
origin of serratus anterior
ribs 1-8 or 9
62
insertion of serratus anterior
ANT surface of MED border of scap and INF angle
63
innervation of serratus anterior
long thoracic nerve (C5-C8)
64
actions of serratus anterior
protracts scap, rotates scap superiorly and elevates ribs when scap is fixed
65
origin of subclavius
1st rib and its costal cartilage
66
insertion of subclavius
INF surface of clav. (subclavian groove)
67
innervation of subclavius
nerve to subclavius (C5,6)
68
action of subclavius
depresses and stabilizes clav
69
three heads of pec major
clavicular head, sternocostal head, and abdominal head
70
pec major origins
ANT surface of MED half of clav, ANT surface of sternum and the upper 6 costal cartilages, aponeurosis of external obliques
71
insertion of pec major
LAT lip of intertubercular sulcus and the crest of the greater tubercle of the humerus
72
innervation of pec major
Lateral (C5-C7) and Medial (C8-T1) pectoral nerve
73
action of pec major
adducts, medially rotates, and flexes humerus at GH jt
74
origin of the coracobrachialis
coracoid process (tip w/ Short head of biceps)
75
insertion of coracobrachialis
middle of MED shaft of humerus
76
innervation of coracobrachialis
musculocutaneous nerve (C5-C7)
77
actions of coracobrachialis
flexion and adduction of humerus and GH jt
78
origins of biceps brachii (short head and long head)
short head: tip of coracoid process long head: supraglenoid tubercle of scap
79
insertion of biceps brachii
radial/bicipital tuberosity and bicipital aponeurosis
80
innervation of biceps brachii
musculocutaneous nerve (C5-C7)
81
actions of biceps brachii
flexion at elbow jt and supination of radioulnar jt, flexion at GH jt
82
origin of brachialis
distal 1/2 of ANT surface of humerus
83
insertion of brachialis
coronoid process and ulnar tuberosity
84
innervation of brachialis
musculocutaneous nerve (C5-C7)
85
action of brachialis
flexion at elbow joint
86
origin of triceps brachii
long head: infraglenoid tubercle lateral head: LAT and POST surface of humerus, groove medial head: POST surface of humerus INF to radial groove
87
insertion of triceps brachii
olecranon process of ulna
88
innervation of triceps brachii
radial nerve (C5-T1)
89
action of triceps brachii
extension of elbow joint and long head assists with extension at GH jt
90
origin of anconeus
LAT epicondyle of humerus (POST surface)
91
insertion of anconeus
olecranon process and proximal shaft of ulna (POST)
92
innervation of anconeus
radial nerve (C5-T1)
93
actions of anconeus
extension at elbow jt and stabilizes elbow jt during supination and pronation

MS 100 (15 decks)

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