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Neuro Exam: Brachial Plexus



- See:
       - Brachial Plexus
       - Exam of the Cervical Spine:
       - Preganglionic Injury
       - Work Up for Brachial Plexus Injuries:

                                           Muscles                       Root Level                          Origin

   - Trapezius                       C3 C4                      spinal accessory
   - Rhomboids                     C5                           C5 root                                     dorsal scapular
   - Supraspinatus                 C5 C6                      upper trunk                               suprascapular
   - Deltoid                           C5 > C6                   posterior cord                           axillary
   - Serratus                         C5 C6 C7                 long thoracic
   - Subscapularis                 C5 C6                      upper trunk                               subscapular
   - Biceps                           C5 > C6                   lateral cord                                musculocutaneous
   - Triceps                          C5 C6 C7 C8 T1      posterior cord                           radial
   - ECRL                            C6 C7                      posterior cord                           radial
   - EDC                              C6 C7 C8                posterior cord                           radial
   - ECU                              C7 > C6                   posterior cord                           radial
   - Pronator Teres               C7 > C6                   lateral cord                                median
   - FCR                              C7 > C6                   lateral cord                                median
   - FCU                              C8 > C7                   medial cord                               ulnar
   - FDP  (2 and 3)              C8 > C7                   medial cord                                median
   - FDP (4 and  5)              C8 > C7                   medial cord                                ulnar
   - Interosseous                   T1 > C8                   medial cord                                ulnar



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