Lunges are one of the most versatile and effective ways to maximize your entire workout. In this video, artist and American Heart Association “Power to End Stroke” Ambassador Michelle Williams demonstrates how lunges, when properly executed, can be transformed from an isolated move into a total body toner. Lunges are the perfect exercise to fit in any time of day from the comfort of your home, making your heart-healthy workout regimen even easier. Practice these simple moves every day and help fight women’s No. 1 killer—heart disease.