Try this 30-minute mat workout for a long, lean look.
Meet the man behind the Insanity and T25 workouts.
Try this kickboxing workout and see how Holly works out and stays in shape.
Find out how LeBron stays in such amazing shape and try this superstar workout.
Try one of these fat-busting kettlebell exercises for fat loss and conditioning.
Get fit fast with interval training, whether you like running, biking, or weights.
This 10-minute CrossFit workout will get your whole body pumping.
Get ready to get strong and lean with this full, 55-minute workout.
Get a cardio workout while building strength and balance.
These girls will kick your butt into shape.
Want a real military-style challenge? Try this full-length Navy SEAL workout.