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Muscle Actions
Lecture 16 Exam #2
14
Anatomy
Undergraduate 1
03/01/2012

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Cards

Term
Levator Scapula
Definition
- elevates
- lower rotation
Term
Pectoralis Minor
Definition
- abduction(protraction)
- lower rotation
- depression
Term
Rhomboid Major
Definition
- adduction (retraction)
- lower rotation
- elevation
Term
Rhomboid Minor
Definition
- adduction (retraction)
- lower rotation
- elevation
Term
Upper Trapezius
Definition
- scapular elevation
- upper rotation
Term
Middle Trapezius
Definition
- adduction (retraction)
- stabilization
Term
Lower Trapezius
Definition
- depression
- upper rotation
Term
Serratus Anterior
Definition
- depression
- upper rotation
- abduction (protraction)
- holds scapula to body
Term
Supraspinatus
Definition
- abducts humerus
Term
Infraspinatus
Definition
- lateral rotation of humerus
Term
Teres Minor
Definition
- lateral rotation of humerus
Term
Subscapularis
Definition
- medial rotation of humerus
Term
Deltoid
Definition
Anterior: flexes, medially rotates arm
Middle: abducts arm
Posterior: extends/laterally rotates arm
Term
Pectoralis Major
Definition
- adducts
- medially rotates humerus
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