The First (Beginner) Class in the Back Health and Core Stability Series. Duration - 15 Minutes.
Recommended Equipment: yoga mat, a light weight (or water bottle), and a looped elastic band (optional).
Do this class until you can hold the modified plank for at at least 60 seconds. Then move on to Class 2. Typically, it takes a few weeks.
For a full description of the Back Health and Core Stability Program, including who should benefit from it and how, visit Program Page: https://www.wysefit.com/programs/back-health-fundamentals