Any exercise that increases the heart rate even just a small amount is good for you.
If you are recovering from illness or just getting into exercise for the first time, seated exercise is a good way to start.
This exercise class targets the upper and lower body with a range of repetitive exercises and routines that can be performed whilst seated.
For legs and lower body, ankle weights can be worn to provide a small level of resistance and increase the intensity of the workout.
Upper body exercises use dumbbells and/or resistance bands to increase intensity.
You can also make the workout more thorough by sitting on an exercise ball, this will help to improve core muscle strength around the stomach and back.