Golf has a reputation as a low-impact sport. Biomechanically, though, the sport tells a different story. When a golfer swings, the upper body and hips twist quickly in opposite directions to generate power. That motion, combined with the force pushing up from the ground through the feet, puts significant strain on the lower back and travels up through the shoulders, elbows and wrists. As orthopaedic surgeons, my colleague Jack Twomey-Kozak and I see the consequences of those forces in our clinics: back strains, rotator-cuff injuries, golfer’s elbow and wrist problems. Rarely do they happen after a single swing. Most develop…