I'm certified to teach yoga -- but haven't taught in years! My practice and teaching was Hatha yoga -- have you ever tried it?
i have tried it but not serious
There are so many different types -- for a while I was into Bikram yoga, or "hot yoga". Was there a certain type that you tried?
just your basic posses which, to tell you the truth, may not have been authentic yoga, sort of Americanized yoga
Interesting you note that -- you're right, in the 80s yoga became more popular in the Western world. Some Indians I know found it funny, because yoga was more like something they did at home, like brushing their teeth!
what seems funny, some  parent do not want their kids doing yoga  because they think it is some type of religion
gurus from India later introduced yoga to the West, following the success of Swami Vivekananda in the late 19th and early 20th century with his adaptation of yoga tradition, excluding asanas. Outside India, it has developed into a posture-based physical fitness, stress-relief and relaxation technique. Yoga in Indian traditions, however, is more than physical exercise; it has a meditative and spiritual core. One of the six major orthodox schools of Hinduism is also called Yoga, which has its own epistemology and metaphysics, and is
Bikram Yoga
Bikram Yoga is a hot system of yoga as exercise that Bikram Choudhury synthesized from traditional hatha yoga techniques. It became popular in the early 1970s. All Bikram Yoga Beginning Series classes run for 90 minutes and consist of the same series of 26 postures, including two breathing exercises. 
Bikram Yoga is a hot yoga style, and is ideally practiced in a room heated to with a humidity of 40%. All official Bikram classes are taught by Bikram-certified teachers, who have completed nine weeks of training