Anatomical Guide for the Electromyographer: The Limbs and Trunk

abduct adductor aponeurosis biceps carpi radialis Comments Common Peroneal Nerve Cross section deltoid digit digiti minimi Division Sacral Plexus dorsal electrode is inserted electrode will travel epicondyle extend extensor digitorum communis Femoral nerve femur Fibula Figure finger flexor digitorum foot gluteal gluteus hallucis head humerus Insert the electrode inserted too deeply inserted too laterally inserted too medially inserted too superficially Interosseus Nerve Involved in lesions knee lower C8-T1 Lower Trunk lumbricals main function medial anterior lower Medial Cord median nerve metatarsal needle electrode nerve lesions Origin palsy patient is asked patient supine Pitfalls If needle plantar pollicis brevis pollicis longus portion Position Patient prone Position The forearm Position The patient Posterior Cord Posterior Division posterior interosseus pronator prone with arm proximal phalanx radial nerve Radius rotate Sacral Plexus scapula Sciatic Nerve tendon teres Test Maneuver Patient thigh thoracic thumb tibia Tibial Nerve trapezius tubercle ulna ulnar nerve wrist