What are some methods to improve neck posture and curvature for neck pain relief?

In this video, Dr. Berg discusses how injuries like whiplash can damage the natural curvature of your neck, potentially leading to discomfort. He also demonstrates a helpful stretch with his massage tool to help restore healthy neck alignment.

https://www.youtube.com/watch?v=abyNXeKF0kE

Dr. Berg's Massage Tool - https://shop.drberg.com/product/massage-tool