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Anatomy Pre Practical 1 > Scapulohumeral Muscles (Intrinsic shoulder) > Flashcards

Scapulohumeral Muscles (Intrinsic shoulder) Flashcards

1
Q

Muscles of Rotator Cuff

A

supraspinatus
infraspinatus
teres minor
subscapularis

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2
Q

Greater Tubercle 3 Facets

A

Superior, middle, and inferior

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3
Q

how many facets are on the lesser tubercle

A

1

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4
Q

Origin of supraspinatus

A

supraspinatus fossa of scapula

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5
Q

insertion of supraspinatus

A

greater tubercle of humerus (superior facet)

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6
Q

action of the supraspinatus

A

abduct humerus
stabilize shoulder joint

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7
Q

Infraspinatus origin

A

infraspinatus Fossa of scapula

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8
Q

insertion of infraspinatus

A

greater tubercle of humerus
- middle facet

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9
Q

infraspinatus action

A

laterally rotate humerus and stabilize shoulder joint

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10
Q

Teres Minor Origin

A

lateral border of scapula

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11
Q

Insertion of Teres Minor

A

greater tubercle of humerus
- inferior facet

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12
Q

Actions of the teres minor

A

laterally rotate humerus
stabilize shoulder joint

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13
Q

subscapularis origin

A

subscapular fossa of scapula

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14
Q

subscapularis insertion point

A

lesser tubercle of humerus

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15
Q

actions of the subscapularis

A

medially rotate humerus
and stabilize shoulder joint

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16
Q

Insertion of Deltoid

A

Deltoid tuberosity of humerus

17
Q

Origin of deltoid

A

lateral third of clavicle, acromion of scapula, and spine of scapula

18
Q

action of the anterior deltoid

A

flex humerus and medially rotate humerus

19
Q

middle deltoid action

A

abduct humerus

20
Q

posterior deltoid action

A

extend humerus and laterally rotate humerus

21
Q

Teres Major origin

A

lateral border of scapula - inferior aspect

22
Q

Teres Major Insertion

A

intertubercular groove of humerus - medial lip

23
Q

Action of teres major

A

adduction of humerus
medial rotation of humerus

Anatomy Pre Practical 1 (11 decks)

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