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Anatomy course (Back) > Rotator cuff > Flashcards

Rotator cuff Flashcards

1
Q

Deltoid origin

A

Lateral 1/3 of clavicle, acromion, and spine of scap

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2
Q

Deltoid insertion

A

Deltoid tuberosity

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3
Q

Deltoid action

A

Clavicle- flexes, medially rotates
Acromion- abducts
Spine- extends, laterally rotates

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4
Q

Deltoid innervation

A

Axillary n C5,6

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5
Q

Teres major origin

A

Inferior part of lateral border of scapula and posterior surface of inferior angle of scapula

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6
Q

Teres major insertion

A

Medial lip of intertubercular sulcus

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7
Q

Teres major action

A

Adducts and medially rotates

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8
Q

Teres major innervation

A

Lower subscapular nerve C5,6

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9
Q

Teres minor origin

A

middle part of lateral border of scapula

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10
Q

Teres minor insertion

A

inferior facet of greater tubercle

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11
Q

Teres minor action

A

Laterally rotates shoulder joint, holds humeral head in glenoid cavity

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12
Q

Teres minor innervation

A

Axillary nerve C5,6

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13
Q

Subscapularis origin

A

Subscapular fossa

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14
Q

Subscapularis insertion

A

lesser tubercle

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15
Q

Subscapularis action

A

Medially rotates and adducts shoulder joint, helps hold humeral head in glenoid cavity

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16
Q

Subscapularis innervation

A

Upper and lower subscapular nerve C5,6,7

17
Q

Infraspinatus origin

A

Infraspinous fossa

18
Q

Infraspinatus insertion

A

Middle facet of greater tubercle

19
Q

Infraspinatus action

A

laterally rotates shoulder joint, helps hold humeral head in glenoid cavity

20
Q

Infraspinatus innervation

A

Subscapular nerve C5,6

21
Q

Supraspinatus origin

A

Supraspinous fossa

22
Q

Supraspinatus insertion

A

Superior facet of greater tubercle

23
Q

Supraspinatus action

A

assists/initiates deltoid in abduction of shoulder joint

24
Q

Supraspinatus innervation

A

Suprascapular nerve C4,5,6

Anatomy course (Back) (11 decks)

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