At first glance mountain pose may not look like much, yet it takes a lot of effort to maintain your body active and aligned. You are not just standing around like everyone else.
The downward facing dog is one of the most basic yoga poses. It is also one of the best for strengthening and stretching the body, improving balance and helping with posture.
Yoga is way more than just some coordination of movements and breathing. It is a very holy practice. Mastering the deep spiritual unification of the self consciousness with the infinite universe is the main sole concept.