“By observing how the breath responds in Āsana i.e.
Forward Bends.
Backward Bends.
Lying Postures.
Inverted Postures.
Twist Poses.
As to whether there is a better quality in either inhalation or exhalation,
one can decide how to proceed in Prāṇāyāma.”
– TKV Desikachar Switzerland 1978