High lunges are a great way to stretch your hips, thighs, and calves. They also help you build strength in your quadriceps and hamstrings. To do high lunges, stand with your feet hip-width apart and your hands on your hips. Step forward with one leg, bending the knee of that leg to a 90-degree angle. Keep the other leg straight and push back into a lunge position. Push through the heel of the front foot to come back up to standing. Repeat on the other side.