Exercise your vocal chords as well as your body, at Rage Yoga

Rock Ohm: Lindsay Istace, creator and teacher of rage yoga, poses with her mat at her home in Calgary on Thursday, Feb. 9, 2017. Istace is an entertainer by trade, and specializes in contortion, sword swallowing, contact juggling, fire eating and fire dancing. (Photo by Zoë Dupley/The Press)