5 Exercises to Open up Your Chest and Increase Your back Swing. Check out www.premierfitnesssystems.com for more great exercises and to schedule your free TPI golf screen. If your pecs and anterior delts are tights your golf swing will dramatically be altered. To increase rotational power and drive distance try these 5 exercises that Greg McLean co founder of Premier Fitness Systems a North Scottsdale based fitness company teaches.