Set-up: Position a stability ball by your feet and place your upper back on a mat.
Movement: Place both heels on the stability ball. Lift your hips off the mat, forming a straight line between your shoulders, hips and feet. Brace through the glutes and the core to maintain stability. Hold the position for the prescribed time, return to start and repeat.
Training Impact
Muscle Roles in straight leg supine bridge on stability ball
Instructions and effects for the Straight Leg Supine Bridge on Stability Ball exercise 
