TY - SER TI - Ejercicio en banda rodante: extracciones sanguíneas con protocolo de enfermería SN - 0210-5020 N1 - Este artículo se encuentra disponible en su edición impresa; Bibliografía: p. 68 N2 - In the article that follows, the nursing technique used in 8 men and 7 women, healthy, non-athletes, who underwent an effort test where the problem focused on obtaining a protocol of 8 blood samples from the antecubital vein with the subjects, is exposed. running on a treadmill and, therefore, with the arm in motion, preventing both the volume of blood extracted and the volume of perfusion used from influencing the correct evaluation of the hemoconcentration that occurs, in order to subsequently accurately determine some laboratory tests that could be falsely interpreted if not taken into account ER -