The 9th pose, Triangle Pose (Trikanasana), is master pose. You gain so many benefits from this. It firms thighs, opens the hips, Slims waist, combats obesity. It also helps cure rheumatism and lumbago in the lower spine.  Helps anorexia, constipation, colitis, low blood pressure, appendicitis, and menstrual disorders. Improves cardiovascular function, and reduces overproduction of cortisol. Exercises the circulatory, digestive, immune, reproductive and muscular systems all at the same time.