I got a 3D scan that measured my flexibility last August, hoping the predictably subpar results would finally inspire me to stretch more. Then, I did basically nothing. Even knowing my shoulder ...

But here's some great news: you don't have to resign yourself to pain or discomfort. There's a move in the Pilates discipline that's a real lifesaver for your spine and core: the Spinal Rotation.

Here are the four exercises to try.