CASE STUDY: List the pаthоlоgy sustаined by the pаtient. A high schоol volleyball player complains of anterior knee pain that has progressively worsened over the past few weeks. She reports discomfort when jumping and landing, and the pain is most intense after practices. She does not recall a specific injury. Upon evaluation, there is localized tenderness along the patellar tendon, pain with resisted knee extension, and mild swelling in the area. Pathology: