Myotonic Dystrophy (MD) is “a genetic disease that causes muscle degeneration” and as it progresses it can force someone into a wheelchair. Unfortunately, there isn’t a cure, however, regular exercise has been shown to improve a patient’s function and mobility. As Mark Tarnopolsky, professor and senior author explains, “Exercise really is medicine — we just need to get the message out.” We couldn’t agree more. For those of us who do not suffer from MD, regular exercise will ensure that we stay strong and agile as we age. 

https://brighterworld.mcmaster.ca/articles/regular-cycling-helps-patients-with-myotonic-dystrophy/