What is Yoga Asana?
Asana = posture / pose / position
“Asana means a state of being in which one can remain physically and mentally steady, calm, quiet, and comfortable… In Raja Yoga, asana refers to the sitting position (for meditation), but in Hatha Yoga it means something more. Asanas are specific body positions which open the energy channels and psychic centres. They are tools to higher awareness and provide a stable foundation for our exploration of the body, mind, breath, and beyond. The hatha yogis also found that by developing control of the body through asana, the mind is also controlled.”
- from Asana Pranayama Mudra Bandha by Swami Satyananda Saraswati