Golf as a contact sport? How a golf swing can lead to early lumbar degeneration
Newswise — Charlottesville, VA. In the article "Golf: a contact sport. Repetitive traumatic discopathy may be the driver of early lumbar degeneration in modern-era golfers" published today in the Journal of Neurosurgery: Spine (https://thejns.org/doi/full/10.3171/2018.10.SPINE181113), Drs. Corey T. Walker, Juan S. Uribe, and Randall W. Porter from Barrow Neurological Institute describe the biomechanics of modern-era golf and its clinical consequences.
The authors point out that "among professional and amateur golfers, back disorders remain the most common injury, comprising 55% and 35% of injuries in these groups, respectively." They also note that modern professional golfers are experiencing back problems at far younger ages than the general population. To explain this, they focus on how the golf swing of present-day professionals, such as Tiger Woods, differs from that employed by golf legends Jack Nicklaus and Ben Hogan.
As golf has evolved over the last two decades, the golf swing has become more powerful. To keep up, modern-era professional golf players participate in intensive strength-training sessions. And the techniques of the swing have also changed. During the downswing, greater compressive force is directed toward the spinal disc and facet joints, and this affects these structures asymmetrically. With more than 300 swings per golf-playing day, the golfer repeatedly experiences minor traumatic injuries to the spine, which over time can result in a pathogenic process that the authors have termed "repetitive traumatic discopathy" (RTD).
To illustrate how this can occur, the authors discuss Woods' years of debilitating spine pain.
In this paper Walker and colleagues discuss modern-day golf swing biomechanics and how they relate to the development of RTD, earlier ages of players exhibiting RTD, and the possibility that golfer's athletic strength training may contribute to RTD. They also address treatment of patients with this repetitive spinal injury.
When asked about the study, Dr. Walker said, "We believe Tiger Wood's experience with spinal disease highlights a real and under-recognized issue amongst modern era golfers. Repetitive traumatic discopathy (RTD) results from years of degenerative 'hits' or strains on the spine resulting in early onset breakdown, instability, and pain. We hope medical practitioners, and surgeons in particular, will be able to diagnose and treat golfers with RTD in a specialized fashion going forward."
Schematic drawings demonstrating the local effects of the modern golf swing on the lumbar spine (example shown at the L4–5 level), contributing to repetitive traumatic discopathy. Upper: During the backswing, maximal rotation of the golfer's shoulders relative to the hips creates wound-up potential energy known as the "X-factor," while also creating a supramaximal amount of torsional axial rotation of the lumbar spine. Lower: During an explosive downswing, lateral flexion results in a "crunch" of the trailing side of the spine, asymmetrically loading the disc and facet joints. [Credit: © 2018 Barrow Neurological Institute.]
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