The resistance band high bridge is a good exercise for hip mobility and strengthening the lower back. The glute bridge can also help to increase core stability and improve your lower back and hip strength. Having a positive effect on your mobility and posture. Learn more about properly executing this exercise with the video above.
Regression
Make this exercise easier by not pressing out against the Loop as much, to decrease the amount of tension on the Slastix
Progression
Make this movement more challenging by pressing out against the loop more to add tension to the Slastix.