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Exam 3 Muscles OIANB > Superficial Back: Anterior > Flashcards

Superficial Back: Anterior Flashcards

1
Q

Pectoralis major clavicular head (origin)

A

medial 2/3 of clavicle

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2
Q

Pectoralis major clavicular head (insertion)

A

lateral lip of intertubercular groove of humerus

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3
Q

Pectoralis major clavicular head (action)

A

ADDuction
medial rotation
FLEXION of arm

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4
Q

Pectoralis major clavicular head (nerve)

A

medial and lateral pectoral nerves

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5
Q

Pectoralis major clavicular head (blood)

A

Pectoral branch of thoracoacromial artery

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6
Q

Pectoralis major sternal head (origin)

A

sternum
costal cartilages 2-6

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7
Q

Pectoralis major sternal head (insertion)

A

lateral lip of intertubercular groove of humerus

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8
Q

Pectoralis major sternal head (action)

A

ADDuction
medial rotation of arm

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9
Q

Pectoralis major sternal head (nerve)

A

medial and lateral pectoral nerves

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10
Q

Pectoralis major sternal head (blood)

A

Pectoral branch of thoracoacromial artery

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11
Q

Pectoralis minor (origin)

A

ribs 3-5

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12
Q

Pectoralis minor (insertion)

A

Corocoid process of scap

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13
Q

Pectoralis minor (action)

A

depression of shoulder
downward rotation of scap

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14
Q

Pectoralis minor (nerve)

A

Medial pectoral nerve

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15
Q

Pectoralis minor (blood)

A

Pectoral branch of thoracoacromial and intercostal lateral thoracic arteries

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16
Q

Serratus anterior (origin)

A

Ribs 1-8 on anterolateral thoracic wall

17
Q

Serratus anterior (insertion)

A

Medial border of scap
inferior angle

18
Q

Serratus anterior (action)

A

Protraction of the scapula
hold medial border against thoracic wall

19
Q

Serratus anterior (nerve)

A

long thoracic nerve

20
Q

Serratus anterior (blood)

A

lateral thoracic artery

21
Q

Subclavius (origin)

A

1st rib

22
Q

Subclavius (insertion)

A

Inferior surface of clavicle

23
Q

Subclavius (action)

A

Stabilizes sternoclavicular joint

24
Q

Subclavius (nerve)

A

nerve to subclavius

25
Q

Subclavius (blood)

A

thoracoacromial
suprascapular arteries

Exam 3 Muscles OIANB (9 decks)

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