Type
Mobility
Body Parts
Shoulders

Step-by-step instructions

1. Set a bench to a 45-degree incline and lie on it facedown with a dumbbell in each hand. With thumbs pointing to the ceiling, raise your arms to make a Y shape.
2. Lower them and raise your arms to form a T.
3. Lower again and raise them with bent elbows to make a W.
4. Finally, make an I shape.