… keeping her balance. “Time to let go of my hand,” said Dr. Prue Plummer , a professor of physical therapy and Multiple Sclerosis specialist at the Department … LaSpina close her eyes, stand on two feet, and turn her torso side to side with a weighted ball. By closing her eyes, LaSpina couldn’t use her vision to help with … therapy may create changes in the brain, the improvements can last longer, even after a person stops PT. Dalfampridine works on potassium channels in the …