Pectoral Girdle
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| serratus anterior | upward rotation of scapula, depression of scapula, abduction as in throwing a punch
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| pectoralis minor | depression, protraction of shoulder and elevates ribs in deep respiration
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| levator scapulae | elevates scapula
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| rhomboid major and rhomboid minor | adduction of scapula
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| trapezius | scapular elevation, retraction and depression
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| what are four muscles of rotator cuff? | subscapularis, supraspinatus, infraspinatus and teres minor
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| subscapularis | medial rotation
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| supraspinatus | initiates abduction
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| infraspinatus & teres minor | lateral rotation
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| anterior fibers of deltoid | flexion and medial rotation
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| posterior fibers of deltoid | extension and lateral rotation of humerus
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| pectoralis major | adduction and medial rotation of arm & flexeion and extension of shoulder like during pull ups
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| latissimus dorsi | adduction (with teres major) & medial rotation (with subscapularis, pectoralis major and teres major)
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| teres major | assits latissimus dorsi in adduction and medial rotation
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| coracobrachialis | flexion of arm at shoulder with pectoralis major and anterior deltoid, adduction with latissimus dorsi, teres major and pectoralis major
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| what are four muscles of rotator cuff? | subscapularis, supraspinatus, infraspinatus and teres minor
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| subscapularis | medial rotation
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| supraspinatus | initiates abduction
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| infraspinatus & teres minor | lateral rotation
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| anterior fibers of deltoid | flexion and medial rotation
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| posterior fibers of deltoid | extension and lateral rotation of humerus
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| pectoralis major | adduction and medial rotation of arm & flexeion and extension of shoulder like during pull ups
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| latissimus dorsi | adduction (with teres major) & medial rotation (with subscapularis, pectoralis major and teres major)
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| teres major | assits latissimus dorsi in adduction and medial rotation
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| coracobrachialis | flexion of arm at shoulder with pectoralis major and anterior deltoid, adduction with latissimus dorsi, teres major and pectoralis major
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