To stay in golf posture as you move at warp speed requires a mobile spine.
Grab a towel and as you lie down, place it on the upper part of your back or even better, use the arc of the Cardio Slope to help open your back. It is amazing. I do it all the time.

USE THIS LINK AND CODE to get the Slope.
https://www.misspar.com
10% discount for you: 5Weeks

Plus, head to CardioGolf.tv and use code: 5Weeks to get one month free.