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Nerve injury

Peripheral nerve and brachial plexus injury

SymptomInjured nerve/brac plex area
Erb-Duchenne palsy (or Waiter's tip) Upper trunk of brachial plexus (C5, C6)
Klumpke injury due to sudden upward jerk of arm, associated with Horner's syndrome Lower trunk of brachial plexus (C8, T1)
Claw hand (impaired wrist flexion and adduction) Ulnar nerve
Wrist drop Radial nerve
Pain with wrist flexion due to repetitive motion injury (carpal tunnel syndrome) Median nerve
Deltoid paralysis Axillary nerve
Winged scapula after mastectomy Long thoracic nerve
Decreased elbow flexion and loss of biceps reflex Musculocutaneous nerve
Foot drop Common peroneal nerve
Loss of ability to plantarflex Tibial nerve
Loss of ability to make a fist Median nerve at elbow
Patient unable to make an "o" with thumb and index finger Median nerve at wrist - anterior interosseous branch
Anterior shoulder dislocation Axillary nerve
+ve Phalen's and Tinel's tests Median nerve at wrist
Loss of knee jerk reflex (due to loss of quadriceps function) and anaesthesia of anterior thigh Femoral nerve
Anterior hip dislocation resulting in loss of thigh adduction Obturator nerve
Loss of ability to rise from a seated position or climb stairs due to loss of gluteus maximus function Inferior gluteal nerve
Positive Trendelenburg sign Superior gluteal nerve
Posterior hip dislocation Superior or inferior gluteal nerve
Created by: kuc