This is a pilot randomized control trial with single blinding of the assessor that will be
conducted in two nursing homes residence to evaluate the applicability of a physical exercise
program performed in an aquatic environment compared with the same realization but land-based
to reduce falls in the institutionalized old people. The secondary objectives are to study
the applicability of the intervention in improving balance, function, gait mobility, muscle
strength of the lower limbs and the perception of the intervention.