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Human Anatomy
Muscles (Rotator Cuff Region)
32
Anatomy
Undergraduate 4
01/30/2008

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Cards

Term
Supraspinatus: Origin
Definition
supraspinnous fossa
Term
Supraspinatus: Insertion
Definition
greater tubercle of humerus
Term
Supraspinatus: Nerve
Definition
suprascapular
Term
Supraspinatus: Action
Definition
abducts arm (reach to back of the head)
Term
Infraspinatus: Origin
Definition
infraspinuous fossa
Term
Infraspinatus: Insertion
Definition
greater tubercle of humerus
Term
Infraspinatus: Nerve
Definition
suprascapular
Term
Infraspinatus: Action
Definition
extends and laterally rotates arm
Term
Teres Minor: Origin
Definition
middle 1/3 of lateral border of scapula
Term
Teres Minor: Insertion
Definition
greater tubercle of humerus
Term
Teres Minor: Nerve
Definition
axillary
Term
Teres Minor: Action
Definition
adducts and extends and laterally rotates arm
Term
Subscapularis: Origin
Definition
subscapular fossa
Term
Subscapularis: Insertion
Definition
lesser tubercle of humerus
Term
Subscapularis: Nerve
Definition
subscapular
Term
Subscapularis: Action
Definition
rotates arm medially
Term
Latissimus Dorsi: Origin
Definition
spinous processes (T7-12) (L1-5)

median ridge of sacrum median ridge of sacrum

iliac crest of hip
Term
Latissimus Dorsi: Insertion
Definition
crest of lesser tubercle
Term
Latissimus Dorsi: Nerve
Definition
Thoracodorsal
Term
Latissimus Dorsi: Action
Definition
adducts, extends, medially rotates arm
Term
Teres Major: Origin
Definition
inferior 1/3 of lateral border of scapula
Term
Teres Major: Insertion
Definition
lesser tubercle crest
Term
Teres Major: Nerve
Definition
lower subscapular
Term
Teres Major: Action
Definition
adducts, extends, medially rotates arm
Term
Deltoid: Origin
Definition
lateral clavicle, acromian process, spine
Term
Deltoid: Insertion
Definition
deltoid tuberosity
Term
Deltoid: nerve
Definition
axillary
Term
Deltoid: Action
Definition
abduct, flex, extend, rotate arm
Term
Coracobrachialis: Origin
Definition
coracoid process
Term
Coracobrachialis: Insertion
Definition
humerus-mid medial border
Term
Coracobrachialis: Nerve
Definition
musclocutaneous
Term
Coracobrachialis: Action
Definition
adducts and flexes arm
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