With your chest out and your midsection firm, place your hands on your hips and step forward with a large stride. Bend both your knees as you lower your body downwards. Your back knee should be nearly touching the floor. As you are pushing up and virtually at the top of your lunge step forward with the other leg repeating the lunge movement with the opposite leg. Continue with this sequence to complete your set. Then swap starting with the with opposite leg. Keep yourself steady throughout the exercise. DO NOT allow your knees to go beyond your toes.