Spastic paraplegia four (SPG4; also referred to as SPAST-HSP) is characterised by insidiously progressive bilateral lower-limb gait spasticity. Over fifty% of influenced individuals have some weak point in the legs and impaired vibration feeling within the ankles.???? ??? ? ?? ??: ??? ??? ???? ???? ??? ? ????.Spastic paraplegia 7 (SPG7) is characte