TY - JOUR TI - Journal of Sport and Health Research T2 - Journal of Sport and Health Research VL - 1 IS - 2 AU - M.L. Zagalaz PB - Didactic Association AndalucĂ­a Scientific Section PY - 2009 LA - Spanish UR - http://journalshr.com/papers/Vol%201_N%202/V01_2_1.pdf ER -