2. Heavy weight and tired legs are due to poor muscle strength.
Running is really not easy without simple exercise.
4. Start with basic training and train your muscle strength.
If it's not that big every day, don't expect to lose fat in a short time, do a good job of studying all the year round and keep physical and mental preparation for exercise.
6. You must avoid using your legs and do aerobic exercise.
We can only try this.
Professional racing wheelchairs are really tired and expensive.