Stand with feet together. Shift weight to right leg. Hold a weight in each hand down by sides. Keeping back flat, core engaged, and shoulders down and back, hinge at hips by sending glutes straight ...

Run faster and more efficiently with these moves.

Plus, exactly how to get results from whatever activity you love to do.

Most people underestimate treadmill walking. These 7 workouts improve heart health after 40 without running or joint strain.

Ever wonder what the best TRX workout for you is? Personal trainers share their favorite workouts with the gym accessory.