Blog · 2026-06-18

How to Fix Knock Knees in Adults: What Works and What Doesn't

PUBLISHED 2026-06-18 · Op. Dr. Serdar Karaman, Orthopedics & Traumatology · Live Taller Now

In short: in adults, exercises and braces can reduce knock-knee symptoms, pain, kneecap tracking, weakness, but they cannot straighten the legs, because the valgus angle sits in the bone. Mild, painless valgus often needs nothing. Visible or painful valgus is corrected surgically with a distal femoral osteotomy.

First, what knock knees are

Genu valgum means the knees touch while the ankles stay apart when you stand straight. It is completely normal in children aged two to five and usually self-corrects by seven or eight. When it persists into adulthood, or appears later through rickets, a growth-plate injury, arthritis, or a malunited fracture, the inward angle lives in the shape of the femur itself. As with bow legs, the honest starting point is that the angle is set in the bone, which decides what can and cannot change it.

What non-surgical options genuinely do

Conservative care manages symptoms and protects the joint; it does not remodel bone:

• Strength work for the hips, glutes, and quadriceps (especially the VMO) is the best conservative tool, improving kneecap tracking, stability, and pain. Recommended for everyone, operated or not.
• Weight management means less load and slower cartilage wear on the overloaded outer compartment.
• Insoles or braces can shift load and ease symptoms during activity, but they do not change a bone's angle.
• A vitamin D check is worth doing if there is any rickets history, so the cause is treated even though it will not reverse the existing angle.

The honest line is that after the growth plates close, around age eighteen, no exercise, stretch, or brace changes a bone's angle. Anyone selling that is selling symptom relief, which is genuinely useful, dressed up as a cure, which it is not.

When knock knees need nothing at all

Not every valgus knee needs treatment. A mild, painless inward angle with no kneecap instability and no uneven wear on X-ray often needs nothing more than sensible strength work and monitoring. Treatment enters the picture when the angle is visibly pronounced, when it causes pain or kneecap problems, or when imaging shows the outer compartment is taking a punishing, uneven load. The deciding factors are symptoms and X-ray alignment, not appearance alone.

How adult knock knees are actually corrected

When correction is warranted, visible or painful valgus is realigned with a distal femoral osteotomy. The surgeon makes a precise cut in the lower femur, shifts the bone to bring the leg back to a straight mechanical axis, and fixes it with a plate and screws while it heals. Because the correction is planned from a standing X-ray to a target angle, the result is a straighter leg and a knee that shares load evenly again rather than grinding the outer compartment. The correction is placed in the femur because that is where the valgus usually originates; the same controlled cut-realign-fix principle underlies the realignment work described on our knock-knees correction page.

Recovery and realistic expectations

Recovery runs over several months. Patients typically begin with crutches and protected weight-bearing, increase load gradually as the bone unites, and follow a physiotherapy plan to rebuild strength and range. Return to unrestricted activity usually takes a few months, with the bone consolidating along the way. The realistic outcome is a straighter leg, more even knee loading, and often less pain, not an instant change. International patients generally spend an initial period near the clinic before continuing a structured recovery at home with remote follow-up.

Who is a candidate, and where to have it

Good candidates are skeletally mature adults in general good health, with a genuine bony valgus confirmed on a standing alignment X-ray, ideally corrected before the outer compartment becomes severely arthritic. Smoking impairs bone healing, so stopping is advised. Whether osteotomy is the right choice is decided from imaging and an individual assessment. Turkey is a common destination for this realignment surgery, offered well below US and UK prices with the same implants and dedicated rehabilitation. If your knees visibly angle inward or your knee hurts with activity, the sensible first step is an honest X-ray review that tells you whether correction is warranted and what it would involve; the candidacy assessment is free.

Frequently asked questions