MLB will be testing an automatic balls and strikes challenge system this spring training. Here's how it works.

Stay fit without a gym! These simple yet powerful at-home workouts require no equipment and help boost strength, flexibility, ...

Want stronger abs in just 10 minutes? This quick and effective core workout will fire up your midsection and build strength fast.

The benefits of a strong core are endless, but finding the motivation to get down on the floor for those sit-ups and crunches ...