Asana is more than physical. It is a mirror for svadhyaya (self-study). It reflects thought, thinking, and thinker.
Dharma is decided deep in the core of the heart and sustains you like a magnanimous mother.
BKS Iyengar’s Dynamic Meditation perfected his asana to carve, sculpt, and culture the subjective entity, the self. Meditation studies the thinker, thinking, and the thought.
Ashtanga yoga is an ethico-religious practice comprised of yama and niyama.