Michael talks with Dr. Stuart McGill, lecturer and expert in spine function, injury prevention and rehabilitation.

Here's something you can try in the midst of your busy day, even at the office. In this segment, yoga master Rodney Yee shows you how to twist in your chair to wake up your spine for the health of your central nervous system.

Good news, slouchers.

It turns out mom was wrong. It's better for your back to slouch, rather than sit up straight.

Break out of your old routine! In this segment, yoga master Rodney Yee shows you how to do something different with your body by imitating a snake. He shows you how to lengthen your spine, strengthen your legs, and open your chest in cobra pose. Get energized with cobra pose.