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A&P 1 > Muscles that Move the Arm > Flashcards

Muscles that Move the Arm Flashcards

1
Q

Deltoid Origin

A

Scapular spine and acromial end of clavicle

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2
Q

Deltoid Insertion

A

Deltoid tuberosity of humerus

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3
Q

Deltoid Action

A

Abduction of arm at shoulder

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4
Q

Supraspinatus Origin

A

Supraspinous Fossa

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5
Q

Supraspinatus Insertion

A

Greater tubercle of humerus

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6
Q

Supraspinatus Action

A

Abduction of arm at shoulder

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7
Q

Subscapularis Origin

A

Subscapular fossa of scapula

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8
Q

Subscapularis Insertion

A

Lesser tubercle of humerus

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9
Q

Subscapularis Action

A

Medial rotation of arm at shoulder

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10
Q

Teres Major Origin

A

Inferior angle of scapula

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11
Q

Teres Major Insertion

A

Intertubercular sulcus of humerus

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12
Q

Teres Major Acton

A

Adduction and medial rotation at the shoulder

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13
Q

Infraspinatus Origin

A

Infraspinatus fossa

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14
Q

Infraspinatus Insertion

A

Greater tubercle of humerus

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15
Q

Infraspinatus Action

A

Lateral rotation

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16
Q

Teres Minor Origin

A

Lateral border of scapula

17
Q

Teres Minor Insertion

A

Greater tubercle below insertion of infraspinatus

18
Q

Teres Minor Action

A

Lateral rotation of arm at the shoulder

19
Q

Pectoralis Major Origin

A

Clavicle, sternum and ribs 1-6

20
Q

Pectoralis Major Insertion

A

Intertubercular sulcus of humerus

21
Q

Pectoralis Major Action

A

Adduction, medial rotation, flexion at the shoulder

22
Q

Triceps Brachii Origin

A

Lateral Head: Superior region of humerus
Long Head: Infraglenoid Tubercle
Medial Head: Posterior region of humerus

23
Q

Triceps Brachii Insertion

A

Olecranon Process of the ulna

24
Q

Triceps Brachii Action

A

Extension at elbow

25
Q

Latissimus Dorsi Origin

A

Ribs 8-12, vertebrae T7-L5

26
Q

Latissimus Dorsi Insertion

A

Inter tubercle groove of humerus

27
Q

Latissimus Dorsi Action

A

Extension, adduction, and medial rotation of the arm

A&P 1 (8 decks)

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