Mechanical Running Power and Energy Expenditure in Uphill and Downhill Running. - Gravina-Cognetti, Fabrizio; Chaverri, Diego; Planas, Antoni; Montraveta, Jordi; Carrasco-Marginet, Marta; Puigarnau, Silvia; Espasa-Labrador, Javier; Iglesias, Xavier (Sports (2075-4663), 2025)