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Massage Therapy > Muscles of the Shoulder (Module 5) > Flashcards

Muscles of the Shoulder (Module 5) Flashcards

1
Q

Subclavius - Innervation

A

subclavian nerve

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2
Q

Subclavius - Origin

A

1st rib and cartilage

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3
Q

subclavius - insertion

A

inferior surface of the middle 1/3 of clavicle

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4
Q

subclavius - actions

A

DEPRESS the clavicle and draw it anteriorly

ELEVATE the 1st rib (to assist during inhalation)

STABILIZE the sternoclavicular joint

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5
Q

Serratus anterior - innervation

A

long thoracic nerve

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6
Q

serratus anterior - origin

A

external surfaces of upper 8 or 9 ribs

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7
Q

serratus anterior - insertion

A

anterior surface of the medial border of the scapula

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8
Q

serratus anterior - actions

A

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

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

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9
Q

coracobrachialis - innervation

A

musculocutaneous nerve

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10
Q

coracobrachialis - origin

A

coracoid process of the scapula

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11
Q

coracobrachialis - insertion

A

medial surface of the mid-humeral shaft

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12
Q

coracobrachialis - actions

A

FLEX glenohumeral
ADDUCT glenohumeral

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13
Q

teres major - innervation

A

lower subscapular nerve (C5-C7)

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14
Q

teres major - origin

A

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

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15
Q

teres major - insertion

A

crest of the lesser tubercle of the humerus

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16
Q

teres major - actions

A

EXTEND,
ADDUCT,
MEDIALLY ROTATE
glenohumeral joint

17
Q

infraspinatus - innervation

A

suprascapular nerve (C4-C6)

18
Q

infraspinatus - origin

A

infraspinous fossa of the scapula

19
Q

infraspinatus - insertion

A

greater tubercle of the humerus

20
Q

infraspinatus - actions

A

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

21
Q

teres minor - innervation

A

axillary nerve (C5-6)

22
Q

teres minor - origin

A

upper 2/3 of lateral border of the scapula

23
Q

teres minor - insertion

A

greater tubercle of the humerus

24
Q

teres minor - actions

A

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

25
Q

subscapularis - innervation

A

upper and lower subscapular nerves (C5-7)

26
Q

subscapularis - origin

A

subscapular fossa of the scapula

27
Q

subscapularis - insertion

A

lesser tubercle of the humerus

28
Q

subscapularis - actions

A

MEDIALLY ROTATE glenohumeral
STABILIZE head of humerus in glenoid cavity

29
Q

supraspinatus - innervation

A

suprascapular nerve (C4-6)

30
Q

supraspinatus - origin

A

supraspinous fossa of the scapula

31
Q

supraspinatus - insertion

A

greater tubercle of the humerus

32
Q

supraspinatus - actions

A

ABDUCT glenohumeral
STABILIZE head of humerus in glenoid cavity

Massage Therapy (19 decks)

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