NERVE
SYMPTOMS
MUSCLE WEAKNESS/WASTING
AREA SENSORY LOSS
MEDIAN (at wrist)
Carpal tunnel syndrome
Pain and paraesthesia on palmer aspect hands and fingers, waking pt from sleep. Pain may extend to arm and shoulder
 
Abductor pollicis brevis
Lateral palm and thumb, middle and half ring finger
ULNAR (at elbow)
Parasthesia on medial border of hand , wasting and weakness of hand muscles
All small hand muscles, excluding abductor pollicis brevis
Medial palm and and little finger and half ring finger.
RADIAL
Weakness of extension of wrist and fingers – often precipitated by sleeping in abnormal posture ie. arm over back of chair.
Wrist and finger extensors
Dorsum of thumb
 
PERONEAL
Foot drop, trauma to head of fibula
Dorsiflexion and eversion of foot
Nil or dorsim of foot
 
LAT CUTANEOUS NERVE OF THIGH
(meralgia paraesthetica)
Tingling and dysaethesia on lat border thigh
Nil
Lat border thigh

 

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