CMT Gait, Mobility, Balance - AOFAS Grant

Inclusion Criteria: 1) Clinical diagnosis and genetic confirmation of CMT, 2) Between the ages of 12 and 75, 3) Able to walk at a slow to moderate pace without an AFO, 3) Able to read and write in English and provide written informed consent. 4) Individuals in the NonOP group must have an AFO prescribed for daily activities. Individuals in the OP group will also have had 5) surgical correction of CMT cavovarus foot deformity focused on muscle balancing and hindfoot correction. Exclusion Criteria: 1) Other causes or risk factors for peripheral neuropathy (for example diabetes, ETOH abuse), 2) Uncorrected visual impairment, 3) History of musculoskeletal injury requiring surgery 4) loss of plantar protective sensation 5) Pain \>4/10 while walking (or an increase in pain during testing of \>2/10), 6) Concern by the examiner that the individual will not complete the study. For the NonOP group 7) Previous surgical correction of CMT cavovarus foot deformity focused on muscle balancing and hindfoot correction