1 | Numbness andtingling in handsand achingin feet | None | Impairment of light touch and pain up toelbows and to right knee and left mid-calf. Impaired vibration at right hallux andleft ankle | Reduced | Present | 130 |
2 | Pain andweaknessin feet | Distally predominant weaknessand wasting ofupper and lower limbs | Severe impairment of all modalities up toelbows and inguinal ligament | Absent | Present | 4 |
3 | Pes cavus | Weakness of toe flexion | Impaired vibration sensation on toes | Absent anklereflexes | Present | 1 |
4 | No symptoms | None | Mild impairment of pain on fingers and feetand light touch on toes | Normal | Marked(fig 2) | 0 |
5 | Numbness andtingling in handsand feet | Weakness of interossei andankle dorsiflexion | Light touch, vibration, and pinprick sensationreduced to the ankles and vibration sensation on the fingers | Reducedanklereflexes | Present | 1 |
6 | Pes cavus | Mild weakness of dorsal interossei, left ankle dorsiflexion, left toedorsiflexion, plantar flexion* | Impaired pinprick sensation in glove andstocking distribution up to themid-forearms and mid-shins | Present | Absent | 1 |
7 | Tingling andnumbness in feet | None | Impaired light touch and pain to mid-palms, the left thigh, and the right forefoot. Absentvibration in lower limbs | Present | Absent | 1 |
8 | Pes cavus, weaknessin legs | Wasted anterior compartmentsbilaterally. Bilateral weakness ofhip flexion, knee extension,ankle dorsiflexion, plantarflexion, inversion, eversion | Loss of pain sensation below both knees.Reduced vibration sense at the ankles.Reduced joint position senseat the hallux bilaterally | Absent anklejerks | Notrecorded | 4 |