Glenohumeral muscles Flashcards

1
Q

Concentric actions of the pectoralis major

A

Both heads - adduction, internal rotation and horizontal adduction
Clavicular head - flexion

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2
Q

Concentric actions of the coracobrachialis

A

Flexion and adduction

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3
Q

Concentric actions of deltoid

A

All three portions acting together = Abduction
Anterior - Flexion, Horizontal adduction
Posterior- Extension, Horizontal abduction

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4
Q

Concentric actions of the latissimus dorsi

A

Extension, adduction and internal rotation

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5
Q

Concentric actions of the teres major

A

SAME AS LATTISUMIS DORSI
extension, adduction and internal rotation

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6
Q

4 rotator cuff muscles

A

Supraspinatus, Infraspinatus, Teres minor, Subscapularis
SITS muscles

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7
Q

Concentric action of the supraspinatus

A

Abduction

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8
Q

Concentric actions of the infraspinatus and teres minor

A

External rotation, Horizontal abduction

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9
Q

Concentic action of the subscapularis

A

Internal rotation

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