How to Get the Most Out of Cross-Training
Do things you find fun.
Go for a well-rounded workout. If you usually run, do an upper body workout once or twice a week.
Do more than one activity. Jog for 20 minutes, then ride a stationary bike for 20 minutes.
Do activities that complement your main interest. To become a better runner, for instance, try cycling or in-line skating.
Remember that fitness includes cardiovascular endurance, strength and flexibility.
Wear the proper shoes for the sports you choose.
Don't fret about adding time to your already tight schedule. Instead, replace your normal workout with different activities once or twice a week.