1. Lay in a bed and do sit ups and various repetitive limb movements. The more repetitive the quicker the body and mind learns
2. Try extending a leg and situate your foot on a surface, keeps legs limber which leads me to
3. Walking. Try walking around your neighborhood once in a while
4. Dieting. A slim fast instead of a meal or some of my recipes on my site can inspire food for your diet
5. Reading old workout and fighting books.