Movement: Slowly stride forward, raising up onto your toe and grasping the ankle of the opposite leg with the hand on the same side. Maintaining balance, pull your heel up to your butt to full range of motion. Stride forward onto the other leg and switch.
Repetitions: When both legs have completed one full step, this counts as one repetition.
Instructions and effects for the Walking Pull Backs exercise 
Movement in Sagittal Plane