Repeatability and reproducibility of a home physical exercise manual
ABSTRACT The reproducibility and repeatability of a manual of home physical exercises at different levels of schooling in elderly women with breast cancer was investigated. Methods: A cross-sectional study carried out between August and November, 2016 at the Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), in the metropolitan area of Recife, Pernambuco. Twenty-two elderly women (aged 66.2±3.5 years) diagnosed with breast cancer using hormone therapy received an instructional manual composed of 12 exercises, to be performed independently and at home to improve physical fitness. The manual was delivered at the first consultation and after six weeks its reproducibility was checked by a physical education professional and a physiotherapist who assessed the “right” or “wrong” execution of the movements. Results: The results were analyzed by Cohen’s kappa coefficient (k). There was an “almost perfect” inter-rater relationship (higher than 0.88) across all 12 exercises. As regards the “right” execution of movements, six exercises presented inter-rater agreement with variation between 68.2% and 90.9%; on the other hand, as regards the “wrong” execution, the variation was between 54.4% and 68.2%. In addition, two exercises resulted in 50% for “right” and “wrong”. Regarding schooling, only exercise 6 had statistical significance (p-value=0.03). Conclusions: The manual of home physical exercises seems to be reproducible in elderly women with breast cancer at all levels of schooling, to improve physical fitness and promote functional self-care.