Instructions:
- 1Lie down on your side on a flat surface
- 2Position your elbow at a 90-degree angle, close to your body
- 3Rotate your arm at the shoulder, lifting your forearm until it's vertical
- 4Lower your forearm back to its starting position
- 5Repeat the exercise on the both sides
Tips:
- Keep your elbow tucked closely to your side to isolate the shoulder muscles
- Control the movement both when lifting and lowering the forearm
- Don't lift your elbow off the floor
- Remember to breathe: exhale when lifting and inhale when lowering