… chair to both feet, then raised her left foot, gingerly keeping her balance. “Time to let go of my hand,” said Dr. Prue Plummer , a professor of physical therapy … remitting Multiple Sclerosis in 2005, followed the instructions. Then it was time for LaSpina to switch most of her weight to the right side, the one more … gait by assisting the brain to make new connections, but this requires a lot of time. And because physical therapy may create changes in the brain, the improvements …