A Shopper's Guide

There are eight major schools of yoga, from Bhakti, which is mostly about prayer and mantra chanting, to Tantra, which is largely about sex. Most yoga studios and fitness centers in America teach some type of Hatha yoga, the yoga of activity. Hatha comes in hundreds of different flavors--each emphasizing different body postures and breathing techniques. These are some of the most popular:

EASY

--Iyengar A good place for beginners to start, Iyengar concentrates on carefully aligning the body, using straps, blocks and pillows to help students who lack flexibility. Useful for physical therapy because it focuses on the movement...