Hereditary spastic paraplegia (HSP), also called familial spastic paraparesis (FSP), refers to a group of inherited disorders that are characterized via innovative weakness and spasticity (stiffness) of the legs. Early within the ailment route, there can be mild gait difficulties and stiffness. These signs and symptoms commonly slowly progress in order that subsequently individuals with HSP may also require the assistance of a cane, walker, or wheelchair. Though the number one capabilities of "pure" HSP are progressive lower limb spasticity and weakness, complex paperwork may be followed by way of other signs and symptoms. Those extra symptoms consist of impaired vision because of cataracts and troubles with the optic nerve and retina of the attention, ataxia (lack of muscle coordination), epilepsy, cognitive impairment, peripheral neuropathy, and deafness. The prognosis of HSP is usually by way of neurological examination and trying out to rule out different issues. Mind MRI abnormalities, which includes a thin corpus callosum, can be seen in a number of the complex varieties of HSP. Numerous genetic mutations have been identified which underlie numerous kinds of HSP, and specialized genetic trying out and analysis are to be had at a few scientific facilities.  HSP has several kinds of inheritance. Now not all children in a family will always develop signs and symptoms, although they'll be carriers of the strange gene.  Symptoms may additionally begin in youth or maturity, depending on the particular HSP gene involved.