Want more bang for your buck out of a DB for lower body training? Check out the video below of how you can add the DB "Goblet Hold" to your training program. By holding the DB in front of your body the weight of it will force your body to elicit more core strength in your torso as you maintain an upright position.
With this hold on the DB you can perform exercises such as:
Squats
Lunges Forward
Lunges Backwards
Box Step Ups
See the vid below of the DB "Goblet Hold" Reverse Lunge, a perfect exercise to strengthen your lower body using a DB.