It targets the quads, hamstrings, and glutes. To perform a step-up lunge, stand facing a sturdy box or bench. Step up onto the box with one foot, driving your body up and engaging your core.
Repeat on the opposite leg. Madigan is also a fan of side lunges to target the gluteus medius and the quads from a different angle. With both feet facing forward, step out to the side as wide as ...