More Pain, Less Strength: Higher Pain is Associated with Lower Knee Extensor Strength in Adolescents with Patellofemoral Pain—a Cross-Sectional Study - Samual A. Kayll; Rana S. Hinman; Adam L. Bryant; Kim L. Bennell; Fiona McManus; Patrick L. Rowe; Kade L. Paterson (Medicine & Science in Sports & Exercise, 2026)