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Odilon Abrahin,1–3 Rejane P Rodrigues,1–3 Vanderson C Nascimento,3 Marzo E Da Silva-Grigoletto,1,4 Evitom C Sousa,3 Anderson C Marçal1,2 1Department of Physical Education, Federal University of Sergipe, Sergipe, Brazil; 2Center of Research in Intracellular Signaling, Department of Morphology, Federal University of Sergipe, Sergipe, Brazil; 3Laboratory of Resistance Exercise and Health, Sports Department, University of Pará State, Belem, Brazil; 4Scientific Sport, Sergipe, Brazil Introduction: Aging involves a progressive reduction of respiratory muscle strength as well as muscle strength. Purpose: Compare the effects of resistance training volume on the maximum inspiratory pressure (MIP), maximum expiratory pressure (MEP), functional performance, and muscle strength in elderly women. Methods: Thirty elderly women were randomly assigned to a group performing either single sets (1-SET) or three sets (3-SET) of exercises. The sit-to-stand test, MIP, MEP, and muscle strength were assessed before and after 24 training sessions. Progressive resistance training was performed two times per week for a total of 8–12 repetitions, using the main muscle groups of the upper and lower limbs. Results: The main results showed that the participants significantly increased their MEP (P