In terms of the breath, the
exhale is naturally passive,
the inhale is naturally active.

So, one of the initial primary
principles in the Viniyoga of
teaching the art of breath work,
is how to make the exhale active.

Link to Series: 108 Yoga Teaching Path Pointers

Āsana & Mudrā Practice Techniques Glossary
– Grouped into Standing, Kneeling, Lying,
Inverted, Backbend, Seated and Sitting

Prāṇāyāma & Bandha Practice Techniques Glossary
– Grouped into Primary, Secondary
and Ancillary Techniques