The only instruction about āsana that Śri Patanjali has in the Yóga Sūtra is in the second chapter called Sādhana Pāda. Sūtra 46, Shithra Sukham Āsanam; states ‘that position which is steady and comfortable is āsana’. Practiced within this context, postures are meant to develop the ability to sit comfortably for long periods of time …