Spastic paraplegia four (SPG4; also referred to as SPAST-HSP) is characterised by insidiously progressive bilateral lessen-limb gait spasticity. Greater than 50% of impacted folks have some weakness from the legs and impaired vibration perception for the ankles.???? ??? ? ?? ??: ??? ??? ???? ???? ??? ? ????.Hypokalemic periodic paralysis (hypoPP) i