This exercise will help you build strength in the glut area and oblique muscles that line the side of your abdominal muscles. These are used every time you hit a golf ball and are great for keep your posture though impact and restricting the body from swaying during the back and forward swing. You will want to get yourself into a plank position, which means place your elbow on the ground and hold your upper body stable. When you are there you will have a dynamic exercise that will require you to kick you leg up into the air and then rotate your knee forward until in touches the ground in front of your other knee. Then you will return the leg back to the original position while keeping your upper body straight and steady.