Program 10: Power up your Plank
This 10 minute session is specifically designed to build muscle strength and endurance to assist and increase your plank hold, but is not designed for use while completing the Plank exercise.
(i.e. DO NOT USE WHILE COMPLETING THE PLANK EXERCISE)
Program 12: Plank Partner
This program is specifically designed to complement the plank exercise and develop muscle strength and endurance to assist your plank hold.
(i.e. DO USE WHILE COMPLETING THE PLANK EXERCISE)