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BCC OTA 25 Muscles of the shoulder/sh.girdle

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
origin
insertion
action
Subscapularis   show Lesser tubercle of humerus   Shoulder medial rotation  
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Coracobrachialis   Coracoid process of the scapula   medial surface of the humerus near the midpoint   show
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Anterior Deltoid   show Deltoid tuberosity of the humerus   Shoulder abduction, flexion, medial rotation, horizontal abduction  
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Middle Deltoid   show Deltoid tuberoisity of the humerus   Shoulder abduction  
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Posterior Deltoid   show Deltoid tuberoisity of humerous   Shoulder abduction, extension, lateral rotation, horizontal abduction  
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Supraspinatus   Supraspinous fossa of the scapula   Greater tubercle of the humerus   show
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show Medial 3rd of clavicle and sternum at costal cartilage of the first 6 ribs   Lateral lip of bicipital groove of humerus   Shoulder adduction, medial rotation, horizontal addution  
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Latissimus Dorsi   show Medial lip of bicipital groove of humerus   Shoulder extension adduction, medial rotation  
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Teres Major   show Crest below lesser tubercle (next to latissimus dorsi muscle attachment)   Shoulder extensiion abduction and medial rotation  
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Upper Trapezius   Occipital Protuberance & Spinous Processes of upper cervical vertebrae   show scapular elevation and upward rotation  
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Middle Trapezius   Spinous processes of C 7-T3   show Scapular retraction  
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Lower Trapezius   show Base of the scapular spine   Scapular depression and upward rotation  
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Levator Scapula   show Vertebral border of scapula btn superior angle and spine   Scapular elevation and downward rotation  
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Rhomboid Muscles   show Vertebral border of scapula btn spine and inferior angle   Scapular retraction, elevation and downward rotation  
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show Lateral surface of upper 8 ribs   Vetebra border of scapula, anterior surface   Scapular protraction and upward rotation, "prevents winging"  
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Pectoralis Minor   show Coracoid process of scapula   Scapular depression, protraction, downward rotation and tilt  
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Infraspinatus   Infraspinous fossa of scapula   show shoulder lateral rotation, horizontal abduction  
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Teres Minor   Auxilary border of scapula   show Shoulder lateral rotation, horizontal abduction  
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Created by: challo222
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