Start: Place your hands in one square of the ladder. Push up into a plank and maintain a neutral spine. Make sure that your hands are stacked under your shoulder and not protruded out past your shoulder girdle.
Movement: move your leading hand over one square followed in tandem with your feet. Then propel both feet forward pushing through your toes with a jump, bring them under your hips.
Return: Jump your feet back into plank position. Move your following hand next to your leading hand followed with a slight shuffle of the feet.