5 Essential Elements of Yoga Practice :
IMMOBILITY - the ability to remain motionless in the asana for a number of breath cycles.
BREATH CONTROL – the breath is constantly in motion in a continuous stream. The practitioner must breathe through the nostrils and be soft and complete in their breathing.
EFFORTLESSNESS – a healthy asana is achieved without straining or pushing oneself beyond one’s abilities.
MUSCLE STRETCHING - various muscles will be moved with equal emphasis on surrendering and stretching as activation and contraction.
MENTAL CONCENTRATION - It is essential for a the aspirant to find a quiet focus which keeps the mind firmly anchored in the present moment.