Please provide your email address to receive an email when new articles are posted on . Patients with knee OA and self-reported knee instability benefit more from education and supervised exercise ...

Medically reviewed by Oluseun Olufade, MD Key Takeaways Knee hyperextension happens when the knee bends backward too far.

Excessive knee flexibility or a feeling of looseness may be an early warning sign of arthritis, experts say. While arthritis ...