2. Neuromuscular
A) Central
Primary cerebellar disease
Cerebral Palsy
Hydrocephalus
CVA
B) Spinal cord
Friedreich's Ataxia
- absent ankle jerks & balance
Spinal dysraphism / spina bifida
Diastematomyelia
Syringomyelia
Spinal Cord tumours
CMT Type 2 (degenerative of spinal axons)
C) Anterior horn cell
Polio
SMA
D) Peripheral nerves (+roots)
CMT Type 1
- demyelinating peripheral neuropathy
Polyneuritis
E) Muscle Disease
Muscular Dystrophy
2. Congenital
Congenital cavus foot
Residual clubfoot
Arthrogryposis
3. Traumatic
Residual of Compartment Syndrome
Crush injury to lower extremity
Severe burn
Malunion of fractured foot
4. Degenerative / Inflammation
OA / RA of hindfoot
5. Idiopathic
Usually pure cavus = calcaneocavus