I agree. There's nothing like it. See CNN's "Yoga's appeal broadening to disability community:"
...[l]ongtime instructor Karen O'Donnell Clarke says the limitations could have a number of sources: multiple sclerosis (which she has), a sports injury, fibromyalgia or even a sedentary lifestyle. Post-surgical conditions, Parkinson's disease, stroke and arthritis may also cause some impairment. "Pretty much if you name a health condition, yoga can help with it," she says.