This studyhas verified the psychomotor skills using psychomotor capacity measurement. the authors have described two tests that will be used by nurses' denominated "electronic psychomotor" and "perforation". Those tests are applied in the first stage of this study to analyze the teaching-Ieaming process of intramuscular injection. Three groups of undergraduate nursing students of difference stages of evolution of the course, have been analyzed and verified that there has been homogeneity among groups in relation to psychomotor capacity
