Pure Yoga: 99% Practice, 1% Theory

Yoga, Self Help
Juliana Sohn for TIME

Sage Kaundini's Pose
Teacher John Campbell and his students at Pure Yoga, New York demonstrate poses of Ashtanga yoga, which K. Pattabhi Jois said "boils the blood".
Model: John Campbell

Get the Latest Photos from Time.com
Get TIME photos and pictures of the week delivered directly to your inbox.