Yoga for Core Strength - this 15 min, core strength and ab workout was designed to get a heated start to your day, with some sequences and flows that can strengthen the core and ab areas, which are very important supportive muscles for the back pain. Having a strong core, is a vital part of a good and healthy body, and sometimes we can neglect our cores, so Echo put together this series of yoga influenced core and ab strengtheners that you can safely do from home! Certified yoga instructor Echo Widmer guides us through this full body yoga flow.