Hathayoga 1-19

अथ आसनम्

हठस्य प्रथमाङ्गत्वादासनं पूर्वमुच्यते ।

कुर्यात्तदासनं स्थैर्यमारोग्यं चाङ्ग-लाघवम् ॥ १९॥

Atha āsanam
hathasya prathamāngghatvādāsanam pūrvamuchyate kuryāttadāsanam sthairyamāroghyam chāngalāghavam

Being the first accessory of Hatha Yoga, âsana is described first. It should be practised for gaining steady posture, health and lightness of body.