High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Al Roker is starting the year strong with strength-training workouts, walks and lots of words of encouragement.

Personal trainer Anthony Wall shares the 5 exercises he makes sure are part of his weekly fitness routine at age 55.

Workout: Perform each exercise for 40 seconds, followed by 20 seconds of rest. Complete 4 rounds, taking 2 minutes rest ...