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Gross Anatomy > Muscles Connecting the Scapula to the Humerus: OINA > Flashcards

Muscles Connecting the Scapula to the Humerus: OINA Flashcards

1
Q

Deltoid: Origin

A

Lateral third of clavicle, acromion, spine of scapula

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2
Q

Supraspinatus: Origin

A

Supraspinous fossa

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3
Q

Infraspinatus: Origin

A

Infraspinous fossa

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4
Q

Teres Major: Origin

A

Lower third of lateral border of scapula

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5
Q

Teres Minor: Origin

A

Upper two thirds of lateral border of scapula

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6
Q

Subscapularis: Origin

A

Subscapular fossa

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7
Q

Deltoid: Insertion

A

Middle of lateral surface of shaft of humerus

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8
Q

Supraspinatus: Insertion

A

Greater tuberosity of humerus; capsule of shoulder joint

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9
Q

Infraspinatus: Insertion

A

Greater tuberosity of humerus; capsule of shoulder joint

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10
Q

Teres Major: Insertion

A

Medial lip of bicipital groove of humerus

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11
Q

Teres Minor: Insertion

A

Greater tuberosity of humerus; capsule of shoulder joint

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12
Q

Subscapularis: Insertion

A

Lesser tuberosity of humerus

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13
Q

Deltoid: Innervation

A

Axillary nerve; C5,6

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14
Q

Supraspinatus: Innervation

A

Suprascapular nerver, C4,5,6

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15
Q

Infraspinatus: Innervation

A

Suprascapular nerver, C4,5,6

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16
Q

Teres Major: Innervation

A

Lower subscapular nerve, C6,7

17
Q

Teres Minor: Innervation

A

Axillary nerve; C4,5,6

18
Q

Subscapularis: Innervation

A

Upper and lower subscapular nerves, C5,6,7

19
Q

Deltoid: Action

A

Abducts, flex and medially rotate, extend and laterally rotate

20
Q

Supraspinatus: Action

A

Abducts arm and stabilizes shoulder joint

21
Q

Infraspinatus: Action

A

Laterally rotates arm and stabilizes shoulder joint

22
Q

Teres Major: Action

A

Medially rotates and adducts arms and stabilizes shoulder joint

23
Q

Teres Minor: Action

A

Laterally rotates arm and stabilizes shoulder joint

24
Q

Subscapularis: Action

A

Medially rotates arms and stabilizes shoulder joint

Gross Anatomy (20 decks)

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