Strengthening your lower back is absolutely paramount for day-to-day health. Whether is picking up school bags or groceries, your lower back plays a vital role in your movement. However, did you know that you can strengthen and tone your lower back while doing the same to your shoulders? That’s right! This workout focuses on using a single set of dumbbells to tone and shape your shoulders while maintaining a strong and sexy lower back. Try it at home or in the gym for a great workout!