I sat on my yoga mat and eagerly anticipated the start of an introductory session. I was on the hunt for a new yoga class and the studio I was visiting looked promising. But, as the lesson commenced, a sense of dread quickly invaded my enthusiasm. The movements were too hasty, the atmosphere more reminiscent of boot-camp than the serene, tranquil environment I was used to. And I became irritated. This was not the yoga class I was looking for.