A 20-Minute Workout to Keep Your Body LimberAmanda Loudin and Theodore Tae10/24/2024Throwing your back out is often caused by stiffness in the upper spine. Here’s how to prevent future pain.... Original Let us know what you think! Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.