We have personally used the sources on this page to sustain an optimal life and hope you realize the same benefits.
Ashtanga Yoga: The Practice Manual, by David Swenson
Short Workouts for Beginners: Get Healthier and Stronger at Home, by Whit McClendon
How Simply Moving Benefits Your Mental Health, Harvard Medical School
5 Benefits of Moving Your Body, The Chopra Center
The Importance of Movement, Mayo Clinic Health System