Neuropathies

Question 1

Median n. C6-T1 neuropathy signs

Answer 1

LOAF (lumbricals, opponens policis, APB, FPB)
Lesion at wrist - APB + sensory loss
Anterior interosseus - weakness of flexion of distal phalanx of thumb + index finger

Question 2

Ulnar n. C7-T1 neuropathy signs

Answer 2

Damage at elbow
Weakness of medial side, wrist flexors, interossei (can’t cross fingers)
Hypothenar eminence wasting
Medial palmar sensory loss

Question 3

Radial n. C5-T1 neuropathy signs

Answer 3

Wrist/finger drop with elbow flexed + arm pronated
BEAST muscles (brachioradialis, extensors, APL, supinator, triceps)
Anatomical snuff box parasthesia

Question 4

Lateral cutaneous n. of thigh L2-3 neuropathy signs

Answer 4

Anterolateral burning thigh pain from entrapment under inguinal ligament

Question 5

Sciatic n. L4-S3 neuropathy signs

Answer 5

Hamstrings and all muscles below knee
Loss of lateral sensation below knee
Damaged by pelvic tumours/#

Question 6

Common peroneal n. L4-S1 neuropathy signs

Answer 6

Foot drop, weak dorsiflexion/eversion
Sensory loss of dorsal foot
Damaged at fibular head

Question 7

Tibial n. L4-S3 neuropathy signs

Answer 7

Reduced plantarflexion/inversion/toe flexion

Sensory loss over sole of foot

Question 8

Charcot Marie Tooth features

Answer 8

Hereditary sensorimotor peripheral neuropathy
Sprained ankles, foot drop, high arched feet
LMN signs