The Natural Movement Kit resistance band external rotation is a great exercise for strengthening your rotator cuff muscles in your shoulder to prevent or rehabilitate injury, it is also good for overall shoulder stability. Learn more about properly executing this exercise with the video above.
Regression
Make this exercise easier by moving closer to the anchor to reduce the amount of tension on the Slastix.
Progression
Make this exercise more challenging by moving further away from the anchor or adding another band to increase the tension on the Slastix.