In the Wall Street Journal of Saturday, Nov. 17, 2007, reporter Nancy Keates asks a provocative question: "Is Yoga Just Posing As a Good Workout? While practitioners say the ancient art is good cardiovascular exercise, most fitness experts say that's a stretch."
Almost every study on yoga and fitness agrees that the practice has a significant positive impact on muscular strength, endurance and flexibility. But most find doing only yoga -- without mixing in some traditional aerobic workouts -- doesn't exercise the heart enough. That's a growing concern, with more than 14 million Americans practicing yoga and Tai Chi now, up from six million in 2000, according to the Sporting Goods Manufacturers Association.
Read the rest of the piece and here is some yoga advice from the doctor credited with coining the term "aerobics." Post your comments below.