Rotator Cuff Muscles

What is the action of the suprascapular muscle?

abducts the arm 0-15 degrees

What is the insertion of the supraspinatus muscle?

greater tubercle of humerus

What is the attachment of the infraspinatus muscle?

greater tubercle of the humerus

What is the attachment of the teres minor?

greater tubercle of the humerus

What is the origin of the infraspinatus muscle?

infraspinous fossa

What is the origin of the teres minor?

lateral border of scapula

What is the action of the infraspinatus muscle?

laterally rotates arm

What innervates the infraspinatus muscle?

suprascapular nerve

What innervates the suprasinatus muscle?

suprascapular nerve

What is the origin of the suprasinatus muscle?

supraspinatus fossa

Name the four rotator cuff muscles

supraspinatus, infraspinatus, teres minor, subscapularis