Spastic paraplegia four (SPG4; also referred to as SPAST-HSP) is characterised by insidiously progressive bilateral decreased-limb gait spasticity. A lot more than 50% of influenced individuals have some weak point in the legs and impaired vibration feeling for the ankles.????? ??? ????? ???? ????.????? ???? ??? ??? ??? ???? ?????.A variant of epen