A patient presents with weak quad muscles. They also experience pain radiating into the medial malleolus and numbness along the same path, especially on the medial aspect of the knee. The patellar reflex is decreased or absent. During a screening exam, the patient is asked to squat and rise. What is the most likely diagnosis?
1) Patellar tendinitis
2) Medial meniscus tear
3) Anterior cruciate ligament (ACL) tear
4) Femoral nerve compression