It doesn't focus so much on flexibility as in other types of yoga classes, which makes it one of the most powerful yoga practices around. (womenshealthandfitness.com.au)
Unlike other types of yoga that work on strengthening the body or making it more flexible, this style of yoga requires no use of the muscles at all. (brendablanco.com)
There is no set sequence of styles, like in most other types of yoga. (compressioncarl.com)