Focalized 100 Hz vibration improves function and reduces upper limb spasticity: a double-blind controlled study.
[en.wikipedia.org]
Examination at the age of 67 revealed spastic paraparesis, dysarthria and mild upper limb ataxia.
[journals.plos.org]
The latter comprises, in addition to spastic paraplegia, cerebellar symptoms, amyotrophy of the upper limbs, extrapyramidal signs, ophthalmoplegia, optic neuropathy, retinal
[ajnr.org]