A plank is a core exercise that requires glute and leg strength, as well as shoulder stability. To hold a plank, you need to keep your spine neutral and support it with your abdominal muscles. That ...

The dead bug exercise may have a funny name, but it's a seriously effective move. The slow and controlled core strengthening exercise involves lying on your back and moving your arms and legs in a way ...

In TODAY.com's Expert Tip of the Day, a physical therapist and trainer explains how to weave mobility into regular exercise and why it's essential for overall health. Having good mobility is essential ...