Alexis

Pectoralis Major

Flexion, medial rotation and adduction of the arm
Pectoralis Minor

Depression and inferior rotation of scapula
Serratus anterior
- Protraction and superior rotation of scapula
- Holds scapula to thoracic wall
Latissimus dorsi

Extenison, adduction and medial rotation of arm
Trapezius
- Superior fibers- elevates scapula
- Middle fibers- retacts scapula
- Inferior fibers- depress scapula
Deltoid
- Anterior fibers- medial rotation and flexion of arm
- Middle fibers- abduction of arm
- Posterior fibers- lateral rotation and extenion of arm
Rhomboid minor
- Elevates scapula
- Acts with pectoralis minor to inferiorly rotate scapula
Rhomboid major
- Elevates scapula
- Acts with pectoralis minor to inferiorly rotate scapula
Teres major

Extenion, adduction and medial rotation of arm
Supraspinatus(part of rotator cuff)

Abduction of arm
Infraspinatus(part of rotator cuff)

Lateral rotation of arm
Teres minor(part of rotator cuff)

Lateral rotation of arm
Subscapularis(part of rotator cuff)

Adduction and medial rotation of arm

Author

Anonymous

71921

Card Set

Alexis

Description

Muscles that act at the shoulder joint

Updated

2011-03-10T00:38:22Z

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