In the first article of the TPI Body–Swing Connection series, “Free the Shoulder, Fix the Swing,” we established a simple, evidence-based principle: the golf swing is often limited less by “bad technique” and more by physical restrictions that force compensations. If the shoulder complex is restricted, the athlete borrows motion elsewhere. The same logic applies, perhaps even more powerfully, to the hips.
Hip mobility is not a trendy topic. It is a performance requirement and a longevity strategy. In golf, the hips serve as the primary bridge between ground forces and torso rotation. In everyday life, they are essential for walking, sitting, standing, climbing stairs, lifting safely and aging with independence. When hip mobility is limited, the body will still find a way to produce motion. The issue is where that motion comes from and how much it costs the golfer’s swing and spine.
This month’s focus is the hip–spine connection: why limited hip mobility drives swing faults, increases lower-back stress and reduces both performance and quality of life, plus what we can do about it.
The Hips as the “Rotational Engine” of the Swing
From a biomechanical standpoint, golf is a high-velocity rotational sport with repeated loading, rapid deceleration and high demands on segmental sequencing. Efficient swings require adequate pelvic rotation, hip internal/external rotation and the ability to “post” on the lead side through impact without leaking energy into compensatory patterns. The Titleist Performance Institute (TPI) has long emphasized that physical limitations directly influence swing mechanics and that the most effective strategy is to “screen first, coach second” (TPI, 2023).
A functional golf swing depends on hip rotation on both sides:
• Trail hip (backswing loading): internal rotation (IR) is needed to allow the pelvis to rotate and load without excessive lateral motion.
• Lead hip (impact/posting and follow-through): external rotation (ER) is needed to accept force, stabilize and rotate through without sliding or stalling.
When those motions are restricted, the body compensates. In golf, compensations show up in predictable ways.
What Limited Hip Mobility Looks Like in the Swing
Trail-side restriction: Sway and “False Loading”
If the trail hip lacks internal rotation, many golfers cannot create depth and rotation in the backswing. The body often responds by shifting laterally away from the target, which is viewed as a classic sway. Instead of rotating around a stable axis, the pelvis moves sideways to create the appearance of turn. This shift disrupts balance, timing and pressure transfer, and it frequently sets the stage for inconsistent contact and a difficult transition (Gordon et al., 2009).
Lead-side restriction: Reverse Spine Angle and “Stalled Rotation”
When the lead hip lacks external rotation, golfers struggle to rotate and post on the lead leg. The pelvis cannot clear efficiently, so the torso compensates. One common expression is reverse spine angle, commonly seen as an excessive side bend or tilt that asks the lumbar spine to do work the hips should be doing. This is not simply “bad form.” It is the nervous system protecting performance in the presence of a mobility limitation.
The impact problem: Sliding, Hanging Back and Early Extension
If a golfer cannot accept force on the lead side (limited lead hip ER, poor pelvic control, weak glute function), they often “solve” it by sliding into the lead leg, hanging back to scoop the ball or thrusting the pelvis toward the ball, TPI labeled early extension. Early extension is frequently a downstream effect of limited hip motion coupled with insufficient pelvic control. It disrupts the golfer’s ability to maintain posture, control low point and deliver the club with consistent face control (TPI, 2023; Lindsay & Horton, 2002).
The Hip–Spine Trade: When the Hips Don’t Move, the Back Does
A central concept in both golf performance and injury prevention is hip–spine dissociation: the ability to move the hips independently of the lumbar spine. This is not just coaching language; it is a clinically relevant performance variable.
When hip mobility is restricted, the lumbar spine is often recruited to create rotational range, especially under speed. Over time, that strategy increases cumulative stress on spinal tissues and can contribute to pain, stiffness and recurring flare-ups (Lindsay & Horton, 2002; Vad et al., 2004). Multiple investigations in golf biomechanics and clinical sports medicine have associated altered lumbopelvic mechanics and limited hip motion with low back pain in golfers (Evans & Oldreive, 2000; Vad et al., 2004).
The body is remarkably intelligent. If the hips are limited, the nervous system often “borrows” motion from the spine to accomplish the task. But borrowing is not free. In golf, it often shows up as:
• Overuse of lumbar extension to “create turn”
• Excessive side-bend as a substitute for hip rotation
• Loss of pelvic depth in the downswing
• Inability to decelerate through impact safely
That pattern is one reason many golfers report: “My back always tightens up after a round.” The spine is doing a job it wasn’t designed to do at speed, repeatedly, for hours.
Modern Life Creates Modern Hips
A major driver of hip restriction is not golf, believe it or not, it’s lifestyle. Prolonged sitting is associated with shortened hip flexors, reduced hip extension capacity, altered pelvic orientation and inhibited glute function (Page et al., 2010). This matters because reduced hip extension and rotation do not stay isolated at the hip; they influence pelvic mechanics and spinal loading strategies (Neumann, 2010).
In practical terms:
• Tight hip flexors often bias the pelvis toward anterior tilt.
• Glutes become less active (“turned off”), especially during extension and rotation tasks.
• Hamstrings may dominate because the glutes fail to contribute optimally.
• The lower back compensates during rotation and posture-intensive sports like golf.
From an exercise physiology and movement science perspective, the golfer who sits all day frequently arrives at the course with restricted hips, inhibited posterior chain function and a spine already predisposed to overwork. This is not a character flaw. It is a predictable adaptation to the environment.
Assess First: Awareness Precedes Change
One of the most important leadership messages I can deliver to the GFAA community is this: you cannot coach around what you have not measured.
Hip mobility should be screened, in particular, hip IR/ER on both sides. Common screens include:
• Seated hip internal/external rotation assessment
• 90/90 hip position assessment
• Single-leg balance/rotation screens to evaluate control, not just range of motion
These screens align with TPI’s body–swing philosophy: identify the physical limitation and then design the training and coaching plan accordingly (TPI, 2023). This approach is consistent with broader strength and conditioning practices: assessment-driven programming and movement competency before loading (NSCA, 2021).
Corrective Strategy: Restore Motion, Then Control It
Corrective exercise is not simply “stretch more.” The goal is a usable range of motion supported by neuromuscular control. For golfers, that means improving hip rotation while teaching the pelvis to move without the lumbar spine “stealing” the motion.
Here are practical correctives consistent with your outlined approach:
Figure-4 Hip Drops
A strong option for posterior hip mobility and positional awareness. This drill supports hip external rotation access, reduces protective stiffness and can help golfers feel pelvic motion without lumbar compensation.
90–90 Position (Fascial stretch/positional reset)
The 90–90 family of drills is effective for restoring rotational access, improving joint centration and addressing positional stiffness. It also supports the concept of dissociation: hips moving while the trunk stays organized.
Re-activating the posterior chain (glutes/hamstrings sequencing)
When hips are restricted, glutes often underperform and hamstrings compensate. Restoring hip motion must be paired with glute activation and integrated lower-body control. The goal is not isolated strength; it is functional sequencing, force acceptance on the lead leg and controlled rotation through impact (NSCA, 2021; Neumann, 2010).
The Leadership Takeaway: Better Hips, Better Golf, Better Life
Hip mobility is not only a swing advantage, but also a life advantage. Efficient hips reduce stress on the spine, improve walking mechanics, support athletic longevity and increase resilience across decades. For golfers, improved hip rotation often translates into:
• Cleaner backswing loading without swaying
• Stronger lead-side posting without sliding or stalling
• Improved posture maintenance through impact
• Reduced “hang back” patterns and early extension risk
• More consistent contact and improved distance potential
But the most important outcome may be the one golfers rarely expect: less back pain and more freedom to move.
Conclusion
In the TPI Body–Swing Connection framework, the goal is not simply to hit better shots. The message is to build a body that can produce repeatable performance without breaking down. When hips are restricted, the spine pays the price. When hips move well, the swing becomes simpler, and life becomes easier.
As President of the Golf Fitness Association of America, my goal is to advance golf performance while protecting the long-term health of golfers. Hip mobility is not optional; it is fundamental to efficient movement, spinal health and sustainable performance. When the hips move well, the spine is protected, instruction becomes more effective and training produces lasting results.
The TPI Body–Swing Connection series is designed to raise professional standards by encouraging assessment-driven coaching and evidence-based training. Free the hips, and the swing simplifies. Protect the spine, and golfers gain both performance and longevity.
That is the future of golf fitness and the standard we must continue to uphold.
Dr. Steven Lorick is a golf exercise physiologist recognized by the PGA of America, Titleist Performance Institute and NASM as a global expert in golf and fitness. He holds a doctorate from the University of Southern California and an MBA from Georgetown University, along with over 20 advanced certifications, including from Stanford in nutrition. A military veteran, he was honored with the U.S. Congressional Award of Special Recognition as a member of the Presidential Escort.
References
• Evans, K., & Oldreive, W. (2000). A study of lumbar spine pathology and low back pain in professional golfers. Physical Therapy in Sport, 1(4), 121–130.
• Gordon, B. S., Moir, G. L., Davis, S. E., Witmer, C. A., & Cummings, D. M. (2009). An investigation into the relationship of flexibility, power, and strength to club head speed in golfers. Journal of Strength and Conditioning Research, 23(5), 1606–1610.
• Lindsay, D. M., & Horton, J. F. (2002). Comparison of spine motion in elite golfers with and without low back pain. Journal of Sports Sciences, 20(8), 599–605.
• Neumann, D. A. (2010). Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation (2nd ed.). Mosby/Elsevier.
• National Strength and Conditioning Association (NSCA). (2021). Essentials of Strength Training and Conditioning (4th ed.). Human Kinetics.
• Page, P., Frank, C., & Lardner, R. (2010). Assessment and Treatment of Muscle Imbalance: The Janda Approach. Human Kinetics.
• Titleist Performance Institute (TPI). (2023). The Body–Swing Connection / Screening and Swing Characteristics. TPI Education Resources.
• Vad, V. B., Bhat, A. L., Basrai, D., Gebeh, A., Aspergren, D. D., & Andrews, J. R. (2004). Low back pain in professional golfers: The role of rotational biomechanics. The American Journal of Sports Medicine, 32(2), 494–497.