Muscles that move the shoulder/arm Flashcards

1
Q

Pectoralis major

A

A: Flexes, adducts, and medially rotates shoulder
O: clavicle, sternum, ribs
I: intertubercular sulcus of humerus

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2
Q

Latissimus dorsi

A

A: adducts, extends, and medially rotates the shoulder
I: intertubercular sulcus of humerus

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3
Q

Deltoid

A

A: abduct shoulder
O: clavicle and spine of scapula
I: deltoid tuberosity of humerus

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4
Q

Supraspinatus*

*rotator cuff group

A

A: abduction of the shoulder
O: supraspinous fossa
I: greater tubercle of humerus

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5
Q

Infraspinatus*

*rotator cuff group

A

A: Laterally rotates the shoulder
O: infraspinous fossa
I: greater tubercle of humerus

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6
Q

Teres minor*

*rotator cuff group

A

A: Laterally rotates the shoulder
O: scapula
I: greater tubercle of humerus

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7
Q

Subscapularis*

*rotator cuff group

A

A: medially rotates and adducts the shoulder
O: subscapular fossa
I: lesser tubercle of humerus

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