Thank you for signing up!

Tell us what you think!
If you'd like to comment on this article, become a member of Gaiam Life.
Click here to create your account.

How to Flex a Muscle While Stretching It, to Help Protect Joints

Yoga expert Jill Miller shows how to use active stretching or proprioceptive neuromuscular facilitation (PNF) in a runner's lunge to protect joints and build strength. Read Jill's blog post about PNF and how it helps her stay both flexible and strong.