Spastic paraplegia 4 (SPG4; often called SPAST-HSP) is characterised by insidiously progressive bilateral lessen-limb gait spasticity. Much more than 50% of influenced folks have some weak spot inside the legs and impaired vibration feeling at the ankles.?? ????? ???? ??? ???? ?? ??? ? ?? ???? ??? ? ????. ?? ????? ??? ????? ??? ???? ?? ???? ??????!