Knee Deformities: Is My Left Leg Bowed? - Orthopedics

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The left knee is misaligned below the knee joint?


Hello, doctor.
I noticed that below my left knee, there is a deformity that seems to be misaligned since I started high school.
I'm not sure if it's bow-legged (genu varum) because I cannot squat.
Will this condition worsen over time, and do I need to seek correction?

An An, 10~19 year old female. Ask Date: 2016/06/06

Dr. Shi Guozheng reply Orthopedics


Is it necessary to have an X-ray examination to determine if bow legs are related to the inability to squat? If there is pain, then correction is needed.

Reply Date: 2016/06/06

More Info


When it comes to knee deformities, particularly conditions like bow legs (genu varum), it's essential to understand the implications and potential treatments. Based on your description, it seems you have noticed a misalignment in your left leg below the knee, which raises concerns about whether you have bow legs. This condition can be characterized by an outward curvature of the knees, leading to a gap between the knees when standing straight.

Firstly, it's important to determine the underlying cause of your knee deformity. Bow legs can be a result of various factors, including genetic predisposition, rickets (a condition caused by vitamin D deficiency), or other developmental issues. In some cases, bow legs can be a normal part of development in young children, but if the condition persists into adolescence or adulthood, it may require further evaluation.

The inability to squat or bend your knees comfortably can be a significant concern. This limitation may not only affect your physical activities but could also lead to compensatory movements that might cause discomfort or pain in other areas, such as your hips or lower back. If left unaddressed, the condition could potentially worsen over time, leading to increased joint stress and a higher risk of developing osteoarthritis in the knees.

Regarding whether you need correction, it largely depends on the severity of the deformity and the symptoms you are experiencing. If your bow legs are causing pain, discomfort, or functional limitations, it would be advisable to seek an evaluation from an orthopedic specialist. They can perform a thorough physical examination and may recommend imaging studies, such as X-rays, to assess the alignment of your bones and joints.

Treatment options for bow legs vary based on the severity of the condition and the age of the patient. In mild cases, physical therapy may be beneficial. A physical therapist can guide you through exercises aimed at strengthening the muscles around the knee and improving flexibility, which may help alleviate some of the discomfort associated with the condition. Additionally, they can provide you with strategies to improve your overall biomechanics and movement patterns.

In more severe cases, especially if there is significant misalignment or if the condition is causing pain, surgical options may be considered. Osteotomy, a surgical procedure that involves cutting and reshaping the bone, can be performed to realign the knee joint. This procedure is typically reserved for adults or older adolescents whose bones have fully developed.

In conclusion, if you suspect that you have bow legs and are experiencing limitations in movement or discomfort, it is essential to consult with a healthcare professional. Early intervention can help prevent further complications and improve your quality of life. Remember, the sooner you address these concerns, the better the chances of managing the condition effectively.

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