International Journal of Neutrosophic Science IJNS 2690-6805 2692-6148 10.54216/IJNS https://www.americaspg.com/journals/show/1962 2020 2020 Universidad Técnica de Ambato, Ecuador Lisbeth Josefina Reales. C. Universidad Técnica de Ambato, Ecuador Victoria E. Pastor Universidad Estatal de Bolívar, Ecuador Rosa E. Aldaz Sanchez Universidad Técnica de Ambato, Ecuador Josselyn G. Bonilla Ayala This work was developed at the Dr. Publio Escobar Gómez Hospital in Ecuador. The objective is to reduce pain and tone the abdominal and back muscles in adults with lumbosciatica through the application of hypopressive abdominal training to help reintroduce the adult to their work and social activities. We worked with a population of 25 male and female adult patients, with an age range from 30 to 50 years old. To process the collected data, we determined that classical statistics are too restrictive in terms of the hypotheses to fulfill. For example, the initial evaluation employing the Visual Analogue Scale (VAS) that assesses the intensity of pain is subjective and depends on the pain threshold of each patient, moreover, the size of the population is not large ( 2023 2023 43 53 10.54216/IJNS.210405 https://www.americaspg.com/articleinfo/21/show/1962