width, and knees slightly curved.Hold the dumbbell in each hand, and then lift your hands in front of you to the eye line.Count 2-3 seconds and bend slowly without dropping your hands.Perform 12 repetitions until you complete 3 approaches.Are you ready to try exercises for the tone of back muscles? If you do not devote several minutes to strengthening your back, try these simple exercises and add them to your Primo boost keto