If you've ever run, jumped or been told you have good posture, you have your hip flexor muscles to thank. On the other end, muscle pain and immobility issues are also often connected to problems ...

After a long run or a strenuous lifting session, it feels good to stretch your muscles. In addition to preventing injury, stretching can also improve flexibility, making everyday motions a little ...

It’s not just for beginners, either.

Being able to do the splits is a remarkable feat. If you're not quite bendy enough to strike the pose (it me), you might think the splits are reserved for a select few elite. Don't count yourself out ...