I have spasticity and have been getting 9 minutes of vibration therapy twice a week at PT. I’ve gone from not being able to tandem walk (heel to toe walking, like the drunk test) to walking 9 steps. My PT and rehab doc are filling out paperwork to see if insurance will pay for one. Anyone with suggestions as to which one is best? My PT says 22-26 ( I don’t know frequency units, maybe hertz) are what’s best for me