Superior Limb

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Superior Limb

Infomation

Rhomboideus Major (scapula)

Origin: T2-T5 Insertion: Medial Scapula Function: Retraction, downward rotation

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Rhomboideus Minor (scapula)

Origin: c7-t1 Insertion: Medial scapula Function: retraction, downward rotation

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Levator Scapulae (scapula)

Origion: transverse processes of c1-c4 Insertion: superior angle and medial margain of scapula Function: elevation or scapula, lateral flexion of neck

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Trapeizus (scapula)

Origin: occipital protrubence, spinous process c7 and all thoracic vertebra Insertion: clavical, acromin, and spine of scapula Function: upward rotation, assist with elevation, retraction, extension of head

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Serratus Anterior (scapula)

Origin: first 8 or 9 ribs Insertion: medial scapula Function: protraction, upward rotation

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Pectoralis Minor (scapula)

Origin: ribs 3-5 and fasica or intercostal muscles Insertion: coracoid process Function: protraction, downward rotation

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Subclavius (scapula)

Origin: 1st rib Insertion: middle clavicle Function: downward rotation

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Supraspinatus (rotator cuff)

Origin: supraspinous fossa Insertion: greater tubercle of humerus Function: abduction

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Infraspinatus (rotator cuff)

Origin: Infraspinous fossa Insertion: Greater tubercle of humerus Function: lateral rotation

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Teres Minor (rotator cuff)

Origin: lateral margin of scapula Insertion: greater tubercle of humerus Function: lateral rotation

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Subscapularis (rotator cuff)

Origin: subscapular fossa Insertion: lesser tubercle of humerus Function: medial rotation

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Deltoid (shoulder cap)

Origin: clavicle, acromin, spine of scapula Insertion: deltoid tuberosity of humerus Function: flexion, medial rotaion, abduction, extension, and lateral rotation

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Pectoralis Major (intertuberclar groove)

Origin: clavicle, sternum, ribs 1-7 Insertion: interubercular groove Function: adduction, medial rotation

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Teres Major (intertubercular groove)

Origin: Inferior angle of scapula Insertion: intertubercular groove Function: adduction, medial rotation

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Latissimus dorsi (intertubercular groove)

Origin: t7-t12, spinous processes of lumbar and sacral vertebra, iliac crest Insertion: intertubercular groove Function: adduction, medial rotation

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Coracobrachialis (anterior brachial compartment)

Origin: coracoid process Insertion: medial shaft of humerus Function: flexion of shoulder

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Brachialis (anterior brachial compartment)

Origin: anterior surface of humerus Insertion: coracoid process and ulner tuberosity Function: flexion of elbow

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Biceps Brachii (anterior brachial compartment)

Origin: coracoid process and supraglenoid tubercle Insertion: radial tuberosity Function: flexes elbow, assist with flexion of shoulder joint

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triceps brachii (posterior brachial compartment)

Origin: infraglenoid tubercle, upper posterior humeral shaft, medial humeral shaft Insertion: olecranon process of ulna Function: extension of elbow, assist with extension of shoulder joint

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Created by: anflifegrl210