Golf Fitness - Is Lack of Flexibility Affecting your Golf Swing? Find out what it takes to restore the normal range of motion in your hips, back, hamstrings and shoulders so you are feeling refreshed and ready for your next round of golf. "Golf Fitness" - With over 26 million golfers nationwide, the majority of injuries, swing flaws and constant frustration all revolve around tight and restricted muscles - all of which affect your golf swing. Haven't you had enough?