Cortés Coronado LfRamírez GonzálezBarrientos MartínezWatanabe Tuda PLazcano Chávez E2026-03-222026-03-221993https://pubmed.ncbi.nlm.nih.gov/1302211https://andeanlibrary.org/handle/123456789/64512The Cooper is test (running 1609 m) was applied to 1196 students, 15 to 17 years old, performed the Cooper's test (1609 m race). The scale, designed adequately for this sample of Mexican population, allows to judge the physical fitness by means of an easy and economical procedure.enMileTest (biology)Sample (material)Adaptation (eye)PopulationDemographyScale (ratio)PsychologyGerontologyGeographyarticle