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CH 9
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-Stabilize
-Elevate
-Retract
-Depress Scapula
TRAPEZIUS
-Elevates Scapula
LEVATOR SCAPULA
-Extend
-Medially Rotate
-Adduct the Humerus
LATISSIMUS DORSI
-Retracts Scapula
-Fixes Scapula to Thoracic wall
RHOMBOID MAJOR
&
RHOMBOID MINOR
-Flexes & Medially rotates Abductor
-Extensor & Lateral rotator of Humerus
DELTOID
-Adducts
-Medially rotates Humerus
TERES MAJOR
-Laterally rotates Humerus
-Stabilizes Glenohumeral Joint
TERES MINOR
-Abducts Humerus
-Stabilizes Glenohumeral Joint
SUPRASPINATUS
-Laterally rotates Humerus
-Stabilizes Glenohumeral Joint
INFRASPINATUS
-Medially rotates Humerus
-Stabilizes Glenohumeral Joint
SUBSCAPULARIS
-Adducts
-Medially rotates Humerus
-Flexion of the Arm
PECTORALIS MAJOR
-Depresses & downwardly rotates Scapula
-Assists in Scapular Protraction
-Stabilizes Scapula
PECTORALIS MINOR
-Rotates,
-Stabilizes,
-& Protracts Scapula
SERRATUS ANTERIOR
-Stabilizes the Clavicle
-Depresses the Shoulder
SUBCLAVIUS
-Supinates & flexes Forearm
BICEPS BRACHII
-Flexion of Elbow Joint
BRACHIALIS
-Assists to flex &
-Adduct the arm
CORACOBRACHIALIS
-CHIEF extensor of Forearm
-long head stabilizes head of Humerus if abducted
TRICEPS BRACHII
-Assists Triceps Brachii in extension of Elbow
ANCONEUS
Author
samfan87
ID
85741
Card Set
CH 9
Description
SHOULDER Muscles: Primary Action/Muscle
Updated
5/14/2011, 6:51:24 AM
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