15 Worthless Exercises You Are Probably Doing

10. Triceps kickbacks are often preferred exercises for sagging underarms, but unfortunately, this is not the way you want to spend your time in gym because they are kind of worthless. The biggest problem about triceps kickbacks is that your body is in a very weird position, which can lead to back injuries. Thats why other exercises such as bench presses, push-ups and dips can work better on your triceps, but also, on your chest and shoulder muscles!