Spastic paraplegia four (SPG4; often known as SPAST-HSP) is characterized by insidiously progressive bilateral reduced-limb gait spasticity. More than 50% of afflicted people today have some weakness from the legs and impaired vibration perception on the ankles.?? ????? ???? ??? ???? ?? ??? ? ?? ???? ??? ? ????. ?? ????? ??? ????? ??? ???? ?? ???? … Read More