Electromyographic preactivation pattern of the gluteus medius during weight-bearing functional tasks in women with and without anterior knee pain - Nakagawa, Theresa Helissa; Muniz, Thiago Batista; Baldon, Rodrigo de Marche; Maciel, Carlos Dias; Amorim, César Ferreira; Serrão, Fábio Viadanna (Revista Brasileira de Fisioterapia, 2011)