Knee Pain By Paul L Liebert, MD, Tomah Memorial Hospital, Tomah, WI Reviewed / Revised Oct 2021 | Modified Sep 2022 View Patient Education Etiology Diagnosis Treatment Topic Resources Musculoskeletal System of... Straight Leg Raise Quadriceps Set Prone Resisted Knee Flexion Prone Hip Extension Prone Quadriceps Stretch Standing Iliotibial Band... Supine Active Hamstring Stretch Side-Lying Hip External Rotation... Squats Knee pain is a common problem among athletes and the general population.