Analysis of static and dynamic balance in healthy elderly practitioners of Tai Chi Chuan versus ballroom dancing - Rahal, Miguel Antônio; Alonso, Angélica Castilho; Andrusaitis, Felix Ricardo; Rodrigues, Thuam Silva; Speciali, Danielli Souza; Greve, Julia Maria D'Andrea; Leme, Luiz Eugênio Garcez (Clinics, 2015)