Is it normal to get a sharp pain under the kneecap when walking down stairs?
1. Introduction It is remarkably common but not biologically normal to experience a sharp pain under the kneecap when walking down stairs. This specific symptom is the classic clinical hallmark of patellofemoral pain syndrome, or in older individuals, early chondromalacia patellae. The knee is a massive, complex hinge designed to bear the entire weight of … Read more