Objective: To evaluate the respiratory muscle performance of physically active elderly people practicing ground and water exercise modalities. Methods: Cross-sectional study, including 30 elderly people divided equally into two groups, the aquatic activity (GA) and terrestrial activity (GT) group. Anthropometric data (height, weight, and BMI), pulmonary function by spirometry (FEV1, FVC and FEV1 / FVC), respira...