06/18/2026
The Surprising Connection Between Hip Alignment and Knee Pain
Knee pain is one of the most common complaints people bring to healthcare providers, and one that is often misunderstood. It’s easy to assume that if your knee hurts, the problem must be in your knee.
But the body doesn’t work in isolated parts. It works as a connected system, and one of the most frequent sources of knee trouble is actually located further up the chain: your hips.
How the Hips and Knees Are Connected
The knee is what’s known as a hinge joint. It’s designed primarily to flex and extend, not to rotate or shift side to side. When it’s asked to do those things repeatedly, wear and strain accumulate.
What controls whether the knee stays in good alignment? Largely, the hip. The muscles around the hip, including the glutes, hip flexors, and the muscles along the outer thigh, play a major role in guiding how the knee tracks during movement. When those muscles are weak or imbalanced, the knee compensates, often in ways that cause pain over time.
The Role of Hip Weakness
Weak glutes (the large muscles of the buttocks) are particularly common in people who sit for long periods. When the glutes aren’t doing their job during walking, climbing stairs, or squatting, other structures fill the gap.
The knee often ends up rotating inward slightly, which changes the angle of the kneecap and increases stress on the joint. This pattern is behind many cases of what’s commonly called "runner’s knee", even in people who don’t run.
Pelvic Tilt and Its Downstream Effects
The pelvis sits at the top of the leg and acts like a foundation for everything below it. When the pelvis tilts forward or to one side — due to tight hip flexors, muscle imbalances, or spinal misalignment — the angle of the leg changes. That altered angle puts uneven load through the knee with every step.
People often notice this as pain on one side only, or pain that worsens going downhill or after prolonged standing.
Why Treating Only the Knee Often Misses the Point
If the root cause of knee pain is poor hip function or pelvic misalignment, addressing the knee in isolation will only go so far. Strengthening or stretching the knee itself won’t correct what’s driving the problem from above.
This is why a thorough assessment looks at the whole kinetic chain including the way force travels from the foot, through the ankle, up through the knee and hip, and into the spine.
