Rotator Cuff Muscles Flashcards by Caley Ward | Brainscape

Q

Supraspinatus

A

O: supraspinous fossa of scapula

I: greater tubercle of humerus

A: abduction of the arm

In: suprascapular nerve

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Q

Infraspinatus

A

O: infraspinous fossa of scapula

I: greater tubercle of humerus below supraspinatus

A: lateral rotation of arm

In: suprascapular nerve

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Q

Teres Minor

A

O: upper two-thirds of lateral border of scapula

I: greater tubercle of humerus below infraspinatus

A: lateral rotation of arm

In: axillary nerve

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Q

Subscapularis

A

O: subscapular fossa of scapula

I: lesser tubercle and crest of humerus

A: lateral rotation of arm

In: upper and lower subscapular nerves

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