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Upper Limb > Scapulohumeral Muscles > Flashcards

Scapulohumeral Muscles Flashcards

0
Q

Deltoid

Insertion

A

Deltoid tuberosity of humerus

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1
Q

Deltoid

Origin

A

Lateral third of clavicle, acromion, and spine of scapula

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2
Q

Deltoid

Innervation

A

Axillary (C5, C6)

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3
Q

Deltoid

Actions

A

Clavicular-Flexes and medially rotates
A-abducts
S-extends and laterally rotates

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4
Q

Supraspinatus

Origin

A

Supraspinous fossa of scapula

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5
Q

Supraspinatus

Insertion

A

Superior facet of greater tubercle

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6
Q

Supraspinatus

Innervation

A

Suprascapular

C4, C5, C6

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7
Q

Supraspinatus

Actions

A

Assists deltoid in abduction of shoulder joint and acts with rotators

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8
Q

Infraspinatus

Origin

A

Infraspinous fossa of scapula

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9
Q

Infraspinatus

Insertion

A

Middl facet of greater tubercle

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10
Q

Infraspinatus

Innervation

A

Suprascapular

C5, C6

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11
Q

Infraspinatus

Actions

A

Laterally rotate shoulder joint; help hold humeral head in glenoid cavity

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12
Q

Teres Minor

Origin

A

Middle part of lateral border of scapula

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13
Q

Teres Minor

Insertion

A

Inferior facet of greater tubercle

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14
Q

Teres Minor

Innervation

A

Axillary nerve

C5, C6

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15
Q

Teres Minor

Actions

A

Laterally rotate shoulder joint

17
Q

Teres Major

Origin

A

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

18
Q

Teres Major

Insertion

A

Medial lip of intertubercular sulcus

19
Q

Teres Major

Actions

A

Adducts

Medially rotates

20
Q

Subscapularis

Origin

A

Subscapular fossa

21
Q

Subscapularis

Insertion

A

Lesser tubercle of humerus

22
Q

Subscapular

Innervation

A

Upper and lower subscapular nerves (C5, C6, C7)

23
Q

Subscapularis

Actions

A

Medially rotates, adducts, hold humeral head in glenoid cavity

24
Q

Teres Major

Innervation

A

Lower subscapular nerve (C5, C6)

Upper Limb (10 decks)

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