Progressive high-impact training improved the patellar cartilage quality of postmenopausal women who may be at risk of osteoporosis (bone loss) as well as at risk of osteoarthritis. This was found out in the study carried out in the Department of Health Sciences at the University of Jyväskylä, Finland. The effects of high-impact exercise were examined on knee cartilage, osteoarthritis symptoms, and physical function in postmenopausal women with mild knee osteoarthritis. The study was conducted in cooperation with the Central Finland Central Hospital and the Department of Medical Technology, Institute of Biomedicine at the University of Oulu in Finland.