Endurance Rx: 3 Ways to Increase Your VO2 Max

... increased participants' VO2 max by 6 percent. 3. Strike a pose. Intervals are tops for boosting VO2 max, but practicing yoga six times a week for three months significantly increased exercisers' scores, according to a recent Indian study.

http://www.shape.com/fitness/cardio/endurance-rx-3-ways-increase-your-vo2-max