Muscles of upper extremities
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Upper Trapezius | Elevation and upward rotation of scapula
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| Middle Trapezius | Pulls scapula medially
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| Lower Trapezius | Depression and upward rotation of scapula
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| Rhomboid Major | Retracts and rotates scapula downward
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| Rhomboid Minor | Retracts and rotates scapula downward
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| Levator Scapulae | Elevation of scapula and moves neck laterally
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| Pectoralis Minor | Forward rotation and depression of scapula
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| Serratus Anterior | Stabilization, upward rotation and protraction of the scapula
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| Pectoralis Major (clav.) | Add. horizontal add. medial rotation and flex. of humerus
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| Pectoralis Major (sternal) | Add. horizontal Add medial rot. and flexion of humerus.ext. of humerus from flexed position
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| coracobrachialis | Flexion and add of humerus
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| Deltoid (anterior) | Flexion, horizontal rotation
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| Detoid (middle) | abd. to 90 degrees
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| Deltoid (posterior) | Ext. horizontal abd. lateral rotation
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| Supraspinatus | Initiates abduction of the humerus
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| Infraspinatus | Lateral rotation of humerus
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| Subscapularis | Medial rotaion of humerus
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| Teres Minor | Lateral rotation of humerus
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| Teres Major | Ext. Add Medial rotation of humerus
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| Latissimus Dorsi | Extension Add. medial rotation of humerus
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| Biceps Brachii | Flex. of arm and forearm, supinates forearm
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| Brachialis | Flexion of the elbow
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| Brachioradialis | Flexion of the elbow
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| Triceps Brachii | Extension of elbow
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| Pronator teres | Pronates the hand, assists in elbow flexion
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| Pronator Quadratus | Pronates the hand
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| Supinator | Assists biceps to supinate hand and forearm
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| Flexor carpi radialis | Flexion, abd. of wrist
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| Flexor carpi ulnaris | Flexion abduction of wrist
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| Flexor Digitorum superficialis | int. action flexes middle phalanx digits 2-5 cont. action flexes proximal phalanx of digits 2-5 and wrist
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| Flexor digitorum profundus | int. flexes distal phalanges 2-5 Cont action assist flex. of middle, proximal phalanges and wrist
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| Extensor digitorum | Ext. of MP joints and with lumbricals and interossie extends PIP and DIP joints
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| Extensor indicus | Ext. of index finger at PIP and DIP joints with lumbricals and interosseous and extends Mp joint
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Created by:
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