Keep in mind that exercising all of your muscle groups is important for a balanced workout. A variety of exercises like running, stair climbing, lifting weights and jumping rope are excellent exercises that will improve the different muscle groups of the body. Factor in that exercising all the muscle groups is better for the cardiovascular system of the body.
Invest in a good pedometer to track the steps you are taking. A healthy goal per day is to get in 10,000 steps per day every day. Purchasing a pedometer will let you keep track of how you are doing and motivate you to make those changes to get more in. Treat it like a game and see if you can beat your best.
As you get older your muscles become significantly less flexible, which increases the risk that your muscles will become painfully strained. If you are younger than 40, you should try to hold each stretching position for at least 30 seconds. After 40, increase the holding time to a full minute. This will keep your muscles pliable and strain-free.