The gluteal muscles are responsible for controlling the movement of the pelvis and hips, not only in daily function, but in the golf swing as well. If there is any weakness in your gluteal muscles, legs or hips, it will distribute the flow of your weight shift causing swing flaws and compensations. Strengthen gluteal muscles will help you make your golf swing more efficient and may prevent injury. This exercise will help you activate your gluteal muscles and improve strength.

Lie on your back and bend your knees.
Slowly raise your hips off of the ground, so that your torso and legs form a straight line, like a plank.
Return to start position and repeat motion.
Do 8 to 10 repetitions.