"Burn, Biker, Burn!"

Want to know a secret to getting a great workout in less time on a stationary bike? Consider power bursts.

A recent study at McMaster University in Hamilton, Ontario, showed that about 30 minutes of sprint cycling (alternating speeds by pedaling quickly for 30 seconds and then slow for 4 minutes) is as effective as a full hour-and-a-half of moderate pedaling.

To learn how to get started with stationary bikes, check out:

• Indoor Cycling for Absolute Beginners