The sling is very similar to the front raise, but is geared to stimulate athletic response in terms of muscle interconnectedness with athletic activities.
1. Stand with a split stance like you are walking/running with a dumbbell in each hand.
2. Raise the arm with the following leg straight up and stiff, but with dumbbell vertical as shown below.
3. Lower the dumbbell and raise again.
4. Repeat all repetitions on one side, switch your stance then, repeat repetitions on other side. You have completed the set.