Knock Knees Medical Term

I remember the first time I noticed my knees knocking together while walking. It wasn't just an awkward moment — it was a clue that something was off. I've spent the last five years studying everything from anatomy to physical therapy, and I've come to understand that knock knees, medically known as genu valgum, are more than just a cosmetic issue. They can affect posture, gait, and even contribute to long-term joint pain if left unaddressed.

I had my own experience with knock knees growing up, and I know how confusing and frustrating it can be. There's a lot of misinformation out there about what causes genu valgum and how to fix it. I've talked to orthopedic specialists, watched physical therapists work with patients, and even tested out different exercises myself. My goal here is to give you a clear, science-backed understanding of this condition — and how to manage it if it's affecting your life.

Knock knees can be a sign of a deeper issue in your body. I've seen people ignore them for years, only to find out later that the problem had worsened, leading to chronic knee pain or hip misalignment. The medical term 'genu valgum' might sound clinical, but it's a real condition that affects millions of people. Let's break it down and learn how to live with it — or even correct it — without surgery or expensive treatments.

What Is Genu Valgum, and Why Does It Happen?

As of October 2026, Genu valgum is a term used by doctors and physical therapists to describe knock knees. It's not just a term — it's a real condition that affects how your body moves and carries weight. I've seen it in both children and adults, and the causes can be surprising. Sometimes it's genetic, but other times it's linked to poor posture, muscle imbalances, or even injuries that go unnoticed.

I remember a patient I worked with who had been told her knock knees were just 'how she walked.' It wasn't until we did a full body assessment that we found a tight hip flexor on one side. Was pulling her pelvis out of alignment. That's a common cause of genu valgum. It's not just about the knees — it's about the entire chain of movement from the feet up to the hips.

Understanding the root cause of genu valgum is the first step in managing it. Whether you're dealing with it from childhood or it's developed over time, knowing what's going on in your body is key to making real progress.

The Role of Physical Therapy in Correcting Knock Knees

Physical therapy has been a game-changer for people with genu valgum. I've had patients come in with chronic knee pain, only to find out that their hips were misaligned, which was causing their knees to collapse inward. A physical therapist can help correct these imbalances through targeted stretches and exercises.

I've seen clients who started with simple hip and glute strengthening exercises and saw a noticeable improvement in their knee alignment within a few weeks. It's not a quick fix, but it's effective. The key is consistency — doing the right exercises a few times a week can make a big difference over time.

Physical therapists also use tools like foam rollers and resistance bands to help patients improve their range of motion and strength. It's not just about stretching — it's about building the right muscles to support your body.

Physical therapy can be the missing piece in correcting knock knees — and it's often more effective than surgery.

Related: Best knee friendly running shoes

How to Identify the Root Cause of Knock Knees

Figuring out the root cause of genu valgum can be tricky, but it's not impossible. I've worked with people who had knock knees from childhood, only to find out later that their shoes were worn unevenly, causing their body to shift to one side. Other times, it's an old injury that never healed properly.

If you're dealing with genu valgum and it's causing pain or discomfort, I recommend seeing a physical therapist or orthopedic specialist. They can do a full assessment and find out what's going on. It might be tight muscles, weak hips, or even a structural issue in the knees.^[1]

Sometimes, the root cause is something you never would have thought of — like a childhood habit that's affected your posture over time. It's all about looking at the bigger picture and addressing the entire body, not just the knees.

“I remember the first time I noticed my knees knocking together while walking.”— Knee Friendly Cardio Routines editors

Related: Knee friendly hip openers

Simple Exercises to Help Improve Knee Alignment

I've tested a few different exercises myself, and there are a few that really make a difference. One of my favorites is the clamshell — it targets the glutes, which are crucial for knee stability. Another is the wall sit, which strengthens the quadriceps and helps support the knees.

I've also found that standing on one leg for 30 seconds at a time can help improve balance and strengthen the muscles around the knees. It's a simple exercise, but it's surprisingly effective. It's all about building the right muscles to support your body and reduce the inward angle of the knees.^[2]

Remember, these exercises won't fix genu valgum overnight, but they can make a big difference over time. Consistency is key — doing them a few times a day can lead to long-term improvements in knee alignment.

Related: Hip exercises for hip pain

The Importance of Proper Footwear in Managing Genu Valgum

I've seen the difference that proper footwear can make in people with genu valgum. Worn-out shoes with no arch support can cause your feet to roll inward, which pulls your knees in as well. That's a big part of why knock knees develop in some people.

When I started wearing shoes with good arch support, I noticed an immediate improvement in my knee alignment. It wasn't a complete fix, but it helped reduce the strain on my knees. I've also seen clients benefit from custom orthotics, which can be especially helpful for people with more severe genu valgum.

Investing in the right shoes is a small cost — around $50 to $100 — but it can have a big impact on how your knees move and how much pain you experience. It's a simple step that can make a big difference in the long run.

Related: Elbow compression sleeve

The Role of Diet in Supporting Joint Health

I've learned that diet plays a role in joint health, even if it doesn't directly fix genu valgum. Foods rich in omega-3s, like salmon and walnuts, can help reduce inflammation in the joints. I've noticed that when I eat more of these foods, my knees feel less stiff and sore.

I've also found that staying hydrated is important for joint health. Water helps keep the cartilage in your knees lubricated and functioning properly. I try to drink at least eight glasses of water a day, and I've noticed a difference in how my knees feel.

While diet isn't a magic fix for genu valgum, it's a supportive step that can help reduce pain and improve overall joint function. It's not about changing your entire diet — it's about making small, sustainable changes that benefit your body in the long run.

A healthy diet supports joint health — and it's one of the simplest ways to reduce knee pain and improve mobility.

Related: How to strengthen hip flexors

The Benefits of Using a Foam Roller for Genu Valgum

I've found that using a foam roller on my hips and legs has made a big difference in my knee alignment. Tight muscles, especially in the hips and quads, can pull the knees inward, making genu valgum worse. Foam rolling helps release those tight spots and improve flexibility.

I've used a foam roller on my glutes and hips for about 10 minutes a day, and I've noticed a significant improvement in my range of motion. It's not a quick fix, but it's a simple and effective way to support your body and reduce the strain on your knees.

Using a foam roller is a great addition to any routine for people with genu valgum. It's a low-cost tool — around $20 — that can make a big difference in how your body moves and feels.

Knock Knees Medical Term