Fitgurú on MSN

Are you exercising hard enough? Experts reveal the ideal heart rate for walking and running

Your heart rate can tell you more about your workout than speed, distance, or calories burned.
Tribune Content Agency on MSN

Ask the doctors: Keep heart rate guidelines in mind while exercising

Dear Doctors: I'm a 55- year-old man, and I have been active all my life. I know target heart rates are based on age and was surprised that my heart rate while running is often between 150 and 195.