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