The local Disabled Persons' Federation should have a place to exercise and exercise, and you can also buy some household fitness equipment, such as tension ropes, rings, dumbbells, arms and so on. Pull-ups, push-ups and other sports. As for swimming and yoga upstairs, I don't think it's appropriate. Of course, it is not impossible to tie a buoyancy pad on your leg like swimming. But pay attention to safety, because you are likely to choke on water. Somebody better watch. Yoga is not convenient for your lower limbs. Many actions can't be implemented. Sure, you can try.