Dr. Ignacio Ara, professor at the University of Castilla La Mancha (UCLM). European Doctorate in Physical Activity and Sports Sciences from the University of Las Palmas de Gran Canaria (ULGPC). Visiting Researcher at the Department of Biomedical Sciences at the University of Copenhagen (Denmark). Fellowship and member of the Scientific Committee of the European College of Sports Sciences (ECSS). Director of the GENUD Toledo Research Group of the UCLM that is part of the Biomedical Research Center on Frailty and Healthy Aging Network (CIBERFES) of the Carlos III Health Institute. President of the Physical Exercise and Health Network (EXERNET).