%0 Journal Article %T EJERCICIOS ADECUADOS DE RESISTENCIA ABDOMINAL: UNA HERRAMIENTA PARA LA PREVENCI¨®N CONTRA LUMBALGIAS %A Carlos ¨˘lvarez Bogantes %J Revista en Ciencias del Movimiento Humano y Salud %D 2004 %I Universidad Nacional %X The purpose of this article was to analyze the technique traditionally used in abdominal exercises in order to give alternatives that would guarantee a correct risk-free execution. In addition, some recommendations are provided that would help prescribe abdominal exercises for health purposes. %K Abdominal muscles %K valsalva %U http://www.una.ac.cr/mhsalud/documents/Ejerciciosadecuadosderesistenciaabdominal-Alvarez-2004.pdf