Front crawl and backstroke arm coordination in swimmers with down syndrome - Querido, A.; Marques-Aleixo, I.; Figueiredo, P.; Seifert, L.; Chollet, D.; Vilas-Boas, J. P.; Daly, D.; Corredeira, R.; Fernandes, R. J. (Biomechanics and Medicine in Swimming XI, 2010)