Integrative neuromuscular training enhances physical fitness in 6- to 14-year-old rugby players - Alonso-Aubin, D. A.; Picón-Martínez, M.; Rebullido, T. R.; Faigenbaum, A. D.; Cortell-Tormo, J. M.; Chulvi-Medrano, I. (The Journal of Strength and Conditioning Research, 2021)