| Phenotype details |
normal pregnancy and delivery, normal developmental milestones; 11y-progressive distal weakness both upper and lower limbs, pain distal parts limbs involving toes and fingers; 12y-toe deformity, hammer toes; walks without support; bilateral pes cavus; muscle wasting small muscles hands, anterior tibial group, dorsal feet muscles; distal hypotonia around wrist, fingers, ankles, toes; normal muscle power both upper limbs; dorsiflexors toes and ankles grade 0, planter flexors toes and ankles grade 2-3; bilateral loss deep reflexes ULs and LLs; lost abdominal reflexes, bilateral planter no response, stocking and glove hypothesia, lost vibration both LLs. |