Decreased physical activity and sleep, not sport specialization, predict illness in middle school athletes - Watson, A.; Post, E.; Biese, K.; Kliethermes, S.; Brooks, A.; Bel, D. (Sports Health: A Multidisciplinary Approach, 2021)
Keywords: child; youth; training; movement; activity; sleep; specialisation; sport; disease; prevention; sports medicine; USA; junior sports; biological and medical sciences