Modern thinking on mobility involves more than just stretching. Myofascial release using lacrosse balls and foam rollers should be incorporated into any and every WOD you do - just ask K-Star!. The benefits of improving mobility are endless; from injury recovery and avoidance to strength, balance and posture improvements that help with your active lifestyle.
If you don't know much about mobility, your first stop should be Mobility WOD where you will find information on mobilizing just about every part of your body. Next, go out and buy a foam roller - possibly the best piece of mobility kit money can buy. Check out this awesome infographic and get mobile!