Today I saw a patient struggling with persistent left knee pain. But as we often find in the clinic, the site of the pain isn’t always the source of the problem. By playing “body detective,” we found: • Thomas Test: Revealed high tension in the left quadricep . • The Sartorius: Tight and overworked. • Glute Check: A positive hip extension firing pattern test showed her glutes weren’t “firing” correctly. • The Culprit: Her hip joints were completely locked during the FABER tes