If you spend most of your workday in an office chair, you’ve probably felt that familiar, dull ache in your hips by 3:00 PM. But is sitting actually causing the issue, or is it just making something else worse?
As physiotherapists, we hear this question constantly. To answer it, let’s dive into what actually happens to your body when you log long hours in a chair, backed up by compelling new clinical research.
What the Research Tells Us: Sitting vs. Standing Pain
A groundbreaking prospective comparative study published in early 2025 looked into this exact phenomenon. Researchers at a hip preservation clinic tracked patients experiencing deep hip issues like Femoroacetabular Impingement Syndrome (FAIS)—where the ball and socket of the hip joint don’t fit perfectly—and hip dysplasia.
The study asked a deceptively simple question: “Do you have more hip pain with sitting or standing for a long time?”
The results were eye-opening:
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62.7% of patients reported significantly worse pain while sitting compared to standing.
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This trend held true regardless of their actual diagnosis, age, or specific structural anatomy.
The takeaway? Static sitting puts unique, mechanical stress on the hip joint that standing simply doesn’t. If you already have a mild, underlying hip shape variation (which many people do without even knowing it), a sedentary lifestyle acts like a magnifying glass for that discomfort.
Why Sitting Compresses Your Hips
When you sit, your hip joint is held at a continuous 90-degree angle. This structural position creates two main physical problems:
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Muscle Shortening (Adaptive Tightness): Your hip flexors—the muscles at the front of your thigh that pull your knee up—remain in a constantly shortened state. Over time, they adapt to this position and tighten up.
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Gluteal Amnesia (The “Turned-Off” Butt Muscles): While the front of your hip is compressed, the muscles in your backside (your glutes) are stretched out and structurally inactive. When you finally stand up, your glutes are too “sleepy” to support your pelvis properly, forcing your lower back and hip joints to take the strain.
The Physio-Approved Fix: Reset Your Hips
You don’t need to quit your desk job, but you do need to introduce mechanical variety into your workday. There is no single “perfect” posture; the best posture is your next posture.
Follow this quick routine to offload your joints and wake up your supporting muscles:
The Golden Rule of Hip Pain: If your hip pain feels like a sharp pinch deep in the groin when you sit low or bring your knee to your chest, stop pushing through it. That is often a sign of joint impingement and needs an individualized management plan.
If your hip pain doesn’t improve after a couple of weeks of moving more, it’s time to get it assessed by a professional. We can help isolate whether the issue is coming from your hip joint, a local tendon, or even referred tension from your lower back.