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PHYS grad > Origin Insertion Innervation (getbodysmart) > Flashcards

Origin Insertion Innervation (getbodysmart) Flashcards

1
Q

Teres major origin

A

Lower lateral border and inferior angle of the scapula.

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2
Q

Teres major Insertion

A

Medial lip of the (bicipital) groove of the anterior humerus.

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3
Q

Teres major Innervation

A

Lower subscapular nerve.
C5, C6, and C7.

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4
Q

Teres major Action

A

ADD, IR, EXT humerus

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5
Q

Teres minor Origin

A

Middle part of the lateral (axillary) border of the scapula.

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6
Q

Teres minor Insertion

A

Inferior aspect of greater tubercle of humerus.

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7
Q

Teres minor Action

A

ER, weak ADD humerus

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8
Q

Teres minor Innervation

A

Axillary nerve. C5 and C6.

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9
Q

Supraspinatus Origin

A

Supraspinous fossa of the scapula.

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10
Q

Supraspinatus Insertion

A

Superior aspect of the greater tubercle of the humerus.

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11
Q

Supraspinatus Action

A

ABD, stabilization

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12
Q

Supraspinatus Innervation

A

Suprascapular nerve.
C5 and C6.

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13
Q

Infraspinatus Origin

A

Infraspinous fossa of the scapula.

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14
Q

Infraspinatus Insertion

A

Middle part of the greater tubercle of the humerus.

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15
Q

Infraspinatus Action

A

ER, stabilization

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16
Q

Infraspinatus Innervation

A

Suprascapular nerve.
C5 and C6.

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17
Q

Subscapularis origin

A

subscapular fossa

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18
Q

Subscapularis insertion

A

Lesser tubercle of humerus.

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19
Q

Subscapularis action

A

IR, dynamic shoulder stability, prevent scapular winging

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20
Q

Subscapularis innervation

A

Upper and lower subscapular nerves.
C5, 6, 7

21
Q

Pectoralis Major Origin

A

Clavicular head: medial half of the clavicle.
Sternal head: sternum, upper costal cartilages (1-6), and the aponeurosis of the external oblique.

22
Q

Pectoralis Major Insertion

A

Lateral lip of (bicipital) groove of the humerus.
+ Crest of the greater tubercle of the humerus.

23
Q

Pectoralis Major Action

A

clavicular head: flex
sternal head: ext when flexed
TGT: IR, ADD

24
Q

Pectoralis Major Innervation

A

Lateral pectoral nerve to the clavicular head.
C5, C6, C7

Medial pectoral nerve to the sternal head.
C8 and T1

25
Q

Pectoralis Minor Origin

A

Anterior surfaces of the sternal ends of ribs 3-5.

26
Q

Pectoralis Minor Insertion

A

Coracoid process of scapula

27
Q

Pectoralis Minor Action

A

scapular depression, protraction w ant tilt
elevate rib cage (reverse)

28
Q

Pectoralis Minor Innervation

A

Medial pectoral nerve (C8, T1).

29
Q

Deltoid Origin

A

Anterior (clavicular) head: anterior surface of the lateral clavicle.

Middle (acromial) head: acromion process and spine of the scapula.

30
Q

Deltoid Insertion

A

Deltoid tuberosity of the humerus

31
Q

Deltoid Action

A

Flex, IR, ABD

32
Q

Deltoid Innervation

A

Axillary nerve
C5, 6

33
Q

Serratus Anterior Origin

A

Anterior surfaces of the first 8 or 9 ribs.

34
Q

Serratus Anterior Insertion

A

Anterior surface of medial border of scapula.

35
Q

Serratus Anterior Action

A

ABD (protracts) scapula, upwardly rotates it while abducting the arm; stabilizes scapula by holding it to chest wall.

36
Q

Serratus Anterior Innervation

A

Long thoracic nerve
C5, 6, 7

37
Q

Biceps Brachii Origin

A

Long head: supraglenoid tubercle of the scapula.
Short head: coracoid process of the scapula.

38
Q

Biceps Brachii Insertion

A

Radial tuberosity.

Bicipital aponeurosis to the fascia on the medial side of the forearm.

39
Q

Biceps Brachii Action

A

Flex shoulder (weak)
Flex elbow
Supinate FA

40
Q

Biceps Brachii Innervation

A

Musculocutaneous nerve.
C5, 6, 7

41
Q

Coracobrachialis Origin

A

Coracoid process of scapula.

42
Q

Coracobrachialis Insertion

A

Mid-shaft of medial humerus.

43
Q

Coracobrachialis Action

A

Flex, ADD

44
Q

Coracobrachialis Innervation

A

Musculocutaneous nerve.
C5, C6, and C7.

45
Q

Brachialis Origin

A

Anterior, distal half of humerus.

46
Q

Brachialis Insertion

A

coronoid process, ulnar tuberosity

47
Q

Brachialis Action

A

Flex FA at elbow

48
Q

Brachialis Innervation

A

Musculocutaneous nerve
C5, C6

PHYS grad (15 decks)

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