There are a lot of great benefits of using dumbbells instead of barbells in your workout routine. Dumbbells allow you to do more varied exercises, build more muscle mass, get a better cardio workout and reduce the risk of injury. These are all key benefits for any bodybuilder or just someone looking to stay in shape. So, what are the best dumbbell exercises to add into your routine? The most common exercise that many gym goers use dumbbells for is the squat. The reason for this is because dum...