Your knees bending backward, a condition called genu recurvatum or knee hyperextension, is due to a deformity in the knee joint that allows excessive extension.
Understanding Genu Recurvatum
Genu recurvatum is a condition where the knee joint extends beyond its normal range, resulting in a backward bending appearance. This is not a natural movement, and it can be due to various factors. Let's break it down:
Key Features of Genu Recurvatum:
| Feature | Description |
|---|---|
| Definition | Deformity in the knee joint where the knee bends backwards. |
| Mechanism | Excessive extension occurs at the tibiofemoral joint. |
| Other Names | Knee hyperextension, back knee |
Contributing Factors
According to the provided reference, genu recurvatum is more commonly seen in:
- Women: This is due to anatomical and hormonal differences that contribute to increased joint flexibility.
- People with Familial Ligamentous Laxity: This is a condition where ligaments are more stretchy than normal, which can contribute to joint instability and hyperextension.
Why It Happens
- Ligament Laxity: Overly flexible ligaments provide less support to the joint, making it easier for the knee to bend backward.
- Muscular Imbalance: Weakness in certain leg muscles can also contribute to knee hyperextension.
- Habitual Posture: Certain postures or activities that habitually push the knee beyond its normal range can contribute.
What You Should Do:
If you've noticed that your knees bend backwards, it is best to consult a healthcare professional such as an orthopedic doctor or physical therapist to receive a proper diagnosis and discuss appropriate strategies which may include:
- Physical Therapy: Targeted exercises can help to improve muscle strength and joint stability.
- Orthotics: Braces or supports may be used to limit the range of knee extension.
- Lifestyle Modifications: Avoiding activities that exacerbate hyperextension, and being mindful of posture.
In Conclusion
Genu recurvatum, or knee hyperextension, is a condition where your knees bend backwards due to excessive extension at the knee joint, often linked to ligamentous laxity and more commonly seen in women. Addressing this condition with proper medical advice and targeted exercises is crucial.
