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Upper extremity function, muscle, cord, and nerves

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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Action to be tested
Muscles
Cord segment
Nerve
Neck flexion   Sternocleidomastoideus   C1-C4   cervical spinal accessory  
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neck extension, neck rotation, neck lateral bending   trapezius, deep neck muscles   C1-C4   cervical spinal accessory  
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SH shrug, scapula upward rot.   upper trapezius   C1-C4   spinal accessory  
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SH. horizontal adduction   pectoralis major and minor   C5-C8, T1   medial/lateral pectoral  
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scapular downward rotation   pectoralis minor   C8-T1   medial pectoral  
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SH protraction, scapular upward rotation   serratus anterior   C5-C7   long thoracic  
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scapular elevation, downward rotation   levator scapula (together with lower trapezius)   C5   dorsal scapular  
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scapular elevation, adduction and downward rotation   rhomboids   C4-C5   dorsal scapular  
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SH abduction   supraspinatus   C4-C6   suprascapular  
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SH lat. rotation   infraspinatus   C4-C6   suprascapular  
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SH medial rotation, adduction   latissimus dorsi,teres major, subscapularis   C5-C8   subscapular, thoracodorsal  
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SH abduction, flexion, extension   deltoid   C5-C6   axillary  
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SH lateral rotation   teres minor   C4-C5   axillary  
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elbow flexion, forearm supination   biceps brachii   C5-C6   musculucutaneous  
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SH flexion, adduction   coracobrachialis   C6-C7   musculucutaneous  
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elbow flexion   brachialis   C5-C6   musculucutaneous  
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4th&5th DIP flexion   flexor digitorum profundus (ulnar part)   C5-T1   ulnar  
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wrist ulnar flexion   flexor carpi ulnaris   C7-T1   ulnar  
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thumb adduction   adductor pollicis   C8-T1   ulnar  
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5th digit abduction   abductor digiti quinti   C8-T1   ulnar  
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5th digit opposition   opponens digiti quinti   C7-T1   ulnar  
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5th digit MCP flexion   flexor digiti quinti brevis   C7-T1   ulnar  
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2nd to 5th digit MCP flexion, adduction, abduction   interossei   C8-T1   ulnar  
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forearm pronation   pronator teres, pronator quadratus   C6-C7   median  
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wrist radial flexion   flexor carpi radialis   C6-C7   median  
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wrist flexion   palmaris longus   C7-T1   median  
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2nd to 5th digit PIP flexion   flexor digitorum sublimis   C7-T1   median  
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thumb IP flexion   flexor pollicis longus   C7-T1   median  
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2nd-3rd digit DIP flexion   flexor digitorum profundus(radial part)   C7-T1   median  
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thumb abduction   abductor pollicis brevis   C6-T1   median  
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thumb MCP flexion   flexor pollicis brevis   C6-T1   median  
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thumb opposition   opponens pollicis   C8-T1   median  
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2nd-5th digit MCP flexion, IP extension   lumbricals   C8-T1   median  
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elbow flexion (and pronation)   brachioradialis   C5-C6   radial  
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elbow extension   triceps brachii, anconeus   C6-C8   radial  
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wrist radial extension   extensor carpi radialis   C6-C8   radial  
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2nd-5th digit MCP, IP extension   extensor digitorum communis, extensor digiti quinti proprius   C6-C8   radial  
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wrist ulnar extension   extensor carpi ulnaris   C6-C8   radial  
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forearm supination   supinator   C5-C6   radial  
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thumb MCP abduction   abductor pollicis longus   C7-C8   radial  
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thumb extension   extensor pollicis longus/brevis   C6-C8   radial  
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2nd digit extension   extensor indicis proprius   C6-C8   radial  
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Created by: kgranberg
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