Stretch , stretch, and stretch. You should stretch for a minimum of 5 minutes after every workout. Stretching helps minimize muscle soreness after exercising besides decreasing your risk for injury. Exercise for at least 30 minutes a day . You can break this into shorter periods of 10-15 minutes during the day.
Variety works best.
Try not to do the exact same routine two days in a row. Walk, swim, play tennis or lift weights. This works different muscles and keeps exercise more interesting. When working out with exercise equipment, read instructions carefully and, if needed, ask someone qualified to help you. Check treadmills or other exercise equipment to be sure they are in good working order.