FUNCTION Co-owner, Content director SPECIALTIES Musculoskeletal disorders, orthopedic and sports rehabilitation (shoulder and knee joint, core stability training) and anatomy and biomechanics. Willem-Paul Wiertz (The Netherlands) Physiotherapist, MSc in Human Movement Sciences Management About the Author Pi Carpaij Latest articles from this auhtor Miranda Asher Anneke Klostermann Lukas Krondorf Lorenzo Cavazzuti Raphael Henrique Pereira Vianna