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AOI’s Of The Shoulder and Arm Muscles > Shoulder And Arm Muscle Actions > Flashcards

Shoulder And Arm Muscle Actions Flashcards

1
Q

Deltoid (All fibers)

A

Abduct the shoulder

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2
Q

Deltoid (Anterior fibers)

A

Flex and medially rotate the shoulder

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3
Q

Deltoid (Posterior fibers)

A

Extend and laterally rotate the shoulder

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4
Q

Trapezius (Upper fibers - bilaterally)

A

Extend the head and neck

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5
Q

Trapezius (Upper fibers - unilaterally)

A

Laterally flex the head and neck, Elevate the scapula

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6
Q

Trapezius (Middle fibers)

A

Adduct the scapula

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7
Q

Trapezius (Lower fibers)

A

Depress the scapula

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8
Q

Latissimus Dorsi

A

Extend and adduct the shoulder

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9
Q

Teres Major

A

Extend and adduct the shoulder

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10
Q

Supraspinatus

A

Abduct the shoulder

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11
Q

Infraspinatus

A

Laterally rotate and adduct the shoulder

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12
Q

Teres Minor

A

Laterally rotate and adduct the shoulder

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13
Q

Subscapularis

A

Medially rotate the shoulder

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14
Q

Rhomboid Major

A

Adduct and elevate the scapula

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15
Q

Rhomboid Minor

A

Adduct and elevate the scapula

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16
Q

Levator Scapulae (Unilaterally)

A

Elevate the scapula and laterally flex the head and neck

17
Q

Levator Scapulae (Bilaterally)

A

Extend the head and neck

18
Q

Serratus Anterior (Origin fixed)

A

Abduct, upwardly rotate and depress the scapula

19
Q

Pectoralis Major (all fibers)

A

Adduct and medially rotate the shoulder

20
Q

Pectoralis Major (upper fibers)

A

Flex the shoulder

21
Q

Pectoralis Major (lower fibers)

A

Extend the shoulder

22
Q

Pectoralis Minor

A

Depress and abduct the scapula

23
Q

Subclavius

A

Depress the clavicle, elevate the first rib

24
Q

Biceps Brachii

A

Flex the elbow, supinate the forearm, and flex the shoulder

25
Q

Triceps Brachii (all heads)

A

Extend the elbow

26
Q

Triceps Brachii (long head)

A

Extend and adduct the shoulder

27
Q

Coracobrachialis

A

Flex and adduct the shoulder

AOI’s Of The Shoulder and Arm Muscles (3 decks)

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