Spastic paraplegia four (SPG4; generally known as SPAST-HSP) is characterised by insidiously progressive bilateral reduced-limb gait spasticity. Greater than 50% of affected folks have some weakness during the legs and impaired vibration perception on the ankles.안전하고 신뢰할 수 있는 정보: 검증된 정보만 제공하여 안심하고