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Anatomy Unit 2 > Muscles inserting on the humerus > Flashcards

Muscles inserting on the humerus Flashcards

1
Q

pectoralis major origin

A

medial 2/3 clavicle, sternum

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2
Q

pectoralis major insertion

A

greater tubercle

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3
Q

pectoralis major action

A

flexion, adduction, internal rotation

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4
Q

pectoralis major nerve

A

medial and lateral pectoral nerves

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5
Q

latissimus dorsi origin

A

spinous processes T6-T12

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6
Q

latissimus dorsi insertion

A

floor of bicipital groove

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7
Q

latissimus dorsi action

A

extension, adduction, internal rotation

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8
Q

latissimus dorsi nerve

A

thoracodorsal

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9
Q

deltoid origin

A

spine of scapula, acromion process, lateral 1/3 of clavicle

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10
Q

deltoid insertion

A

deltoid tuberosity

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11
Q

deltoid action

A

flexion, internal rotation (anterior); abduction (middle); extension and external rotation (posterior)

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12
Q

deltoid nerve

A

axillary

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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

internal rotation

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16
Q

subscapularis nerve

A

upper and lower subscapular

17
Q

supraspinatus origin

A

supraspinous fossa

18
Q

supraspinatus insertion

A

greater tubercle

19
Q

supraspinatus action

A

abduction

20
Q

supraspinatus nerve

A

suprascapular

21
Q

infraspinatus origin

A

infraspinous fossa

22
Q

infraspinatus insertion

A

greater tubercle

23
Q

infraspinatus action

A

external rotation

24
Q

infraspinatus nerve

A

suprascapular

25
Q

teres minor origin

A

lateral border of scapula

26
Q

teres minor insertion

A

greater tubercle

27
Q

teres minor action

A

external rotation

28
Q

teres minor nerve

A

axillary

29
Q

teres major origin

A

inferior angle and posterior scapula

30
Q

teres major insertion

A

lesser tubercle

31
Q

teres major action

A

internal rotation

32
Q

teres major nerve

A

lower subscapular

Anatomy Unit 2 (8 decks)

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