Equipment
Dumbbells
Body Parts
Shoulders

Step-by-step instructions

1. Set a bench to a 45-degree incline and lie facedown with a dumbbell in each hand.
2. Raise your arms out to your sides. Perform 20 reps and then quickly switch to dumbbells that are half as heavy. Without rest, perform 10 reps. Halve that weight for 5 final reps.