1. Stand up straight with your feet shoulder-width apart.
2. Extend one arm straight across your chest.
3. Use the opposite hand to gently pull the extended arm closer to your chest. You should feel a stretch in the shoulder of the arm that's being pulled across.
4. Keep your extended arm as straight as possible without locking the elbow.
5. Hold the stretch without bouncing for 15-30 seconds, breathing deeply and relaxing into the stretch with each exhale.
6. Slowly release and switch arms to stretch the opposite deltoid.
7. Repeat the stretch 2-3 times on each side.
Remember to maintain good posture throughout the stretch, and do not force your arm beyond a comfortable position, as this could cause injury. If you experience any pain, stop the stretch immediately.
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