Evaluation of Quadriceps Strength among Middle Aged Patients with Patellofemoral Pain Syndrome: A Cross-Sectional Study: Research Article. Pak-Euro Journal of Medical and Life Sciences, [S. l.], v. 8, n. 1, p. 238x-238xvi, 2025. DOI: 10.31580/pjmls.v8i1.3424. Disponível em: https://readersinsight.net/index.php/PJMLS/article/view/3424. Acesso em: 21 apr. 2026.