1. Lie facedown on the floor and raise your arms overhead and out to your sides a bit with thumbs facing the ceiling. Your arms should form a Y shape with your body. Hold for a second.
2. From there, bend your elbows and draw your arms back until your elbows are near your sides and your body now forms a W shape. Hold for a second. Think about doing a pullup—you’re performing the same movement on the floor.