Yoga originated in ancient India and is considered one of the longest surviving philosophical systems in the world. Some scholars have estimated that yoga is as old as 5,000 years; artifacts detailing yoga postures have been found in India from over 3000 B.C. A recent poll conducted by Yoga Journal found that 11 million Americans do yoga at least occasionally and 6 million perform it regularly.
Hatha yoga is the most commonly practiced branch of yoga in the United States, and it is a highly developed system of nearly 200 physical postures, movements, and breathing techniques. The yoga philosophy maintains that the breath is the most important facet of health, as the breath is the largest source of "prana," or life force, and hatha yoga uses "pranayama," which literally means the science or control of breathing.
A typical hatha yoga routine consists of a sequence of physical poses, called asanas, and the sequence is designed to work all parts of the body, with particular emphasis on m