Yoga is far more than just physical postures, but, generally, when we attend a yoga class, that is what we expect to learn and participate in. Yoga philosophy classes, while esoterically interesting, will never appeal to the majority of people who, at least initially, come to class for a bit of a work out. But, while the yoga purists might tut tut and mutter under their breath that asanas are virtually irrelevant, I absolutely beg to differ. Here are some of the reasons why: