Aguiar, Jaina Bezerra de, and Luilma Albuquerque Gurgel. 2009. “ An Investigation into the Effects of Hydro Gymnastics on the Quality of Life, Strength of Limbs and the Flexibility of Elderly Women: A Study on the Chamber of Commerce Social Services - Fortaleza ”. Brazilian Journal of Physical Education and Sport 23 (4): 335-44. https://doi.org/10.1590/S1807-55092009000400003.