Association between leisure time physical activity level and articular cartilage in postmenopausal women with mild knee osteoarthritis: a 12-month follow-up study after 4-month intervention

Purpose: To study the associations between leisure time physical activity level and estimated biochemical composition of tibiofemoral cartilage in postmenopausal women with mild knee osteoarthritis (OA) after 4-month aquatic resistance training intervention. Methods: Originally 87 volunteer postmenopausal women 60–68 years of age with mild knee OA (Kellgren Lawrence I or II) participated in the 4-month aquatic training randomised controlled...