See what kind of disability it is. If you have problems with your upper limbs, you can practice your lower limbs. If you have problems with your lower limbs, you can practice your upper limbs. Generally speaking, some simple instruments are enough, such as dumbbells, arm bars, tensioners, barbells and so on. These can be done at home at any time, even if you can only lie in bed. Like some severe cerebral palsy, there are also some suitable ball games. "I love disabled sports" is a disabled sports network. You can get some reference and inspiration according to your own situation. Come on!