There is my regular asana, pranayama and meditation practice.
The yoga philosophy maintains that the breath is the most important facet of health, as the breath is the largest source of "prana," or life force, and hatha yoga uses "pranayama," which literally means the science or control of breathing.
And, it can't be a coincidence that the deep breaths we're advised to take in order to calm ourselves are similar to the breath foundation used to move into a yoga posture, also known as pranayama.
Helen includes in her teaching pranayama (breathing exercises), yoga nidra (deep relaxation) and meditation.
The corpse pose is a resting pose used for deep relaxation concluding an asana or pranayama program, but is added to any program for arthritis as often as necessary.