Muscle groups
Core, ShouldersDescription
Start by getting into a normal Plank position, making sure to lightly protract your scapula and engaging a posterior pelvic tilt to have a straight body.Swing your hips sideways until they make contact with the ground. In a continuous motion, repeat for the remaining side. Don't lose the posterior pelvic tilt and scapula protraction during the hold.
Keep repeating this movement until the time goal is achieved.