I'm a yoga instructor in my town and I've a new wave of business ever since PBS did a special on yoga's history as both a physical practice and a spiritual one.
Ive always wanted to try yoga, seems nice and relaxing.
The stretches in yoga are a great way to spiritually calm the mind, especially once you can do them without much phsyical straining.
Yea it seems like it would help loosen you up a lot
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
the college taught yoga to Bikram Choudhury, founder of Bikram Yoga.
Krishnamacharya observed the work at Kaivalyadhama in 1934, but while that centre has always attempted to study yoga scientifically, he continued the Mysore Palace tradition of incorporating Western physical training in his form of yoga, rather than seeking to study it as science. 
Other Indian schools of yoga took up the new style of asanas, but continued to emphasize Haṭha yoga's spiritual goals and practices to varying extents. The Divine Life Society was founded by Sivananda Saraswati of