TijdschriftRev. bras. ativ. fís. saúde
The aim of this systematic review was to synthesize randomized and controlled studies which have investigated the effect of physical exercise on cortisol levels in elderly. In this search were used the following data bases: PUBMED, ISI, SciELO, Scopus, BioMed central and Scirus, using words as cortisol, exercise, aging e the operator boolean [AND]. Inclusion criteria were randomized and controlled studies or clinical trials, using human ad write in english or portuguese language. It were excluded studies using others therapies, samples with physical or neurologic diseases, animals and food or hormonal supplementation. A total of 13 studies have met the inclusion criteria of the study and they were classified as moderate and high qualities. Regarding longitudinal studies, two using strength training, observed significant reduction on cortisol levels, while one study of aerobic training found reduction for women and increased for man. Only three studies of acute effect found reduction, however for both exercise and control conditions. Most studies showed significant reduction on cortisol levels after exercise recovery. Some variables as sleep time, fitness and invasive analysis should be considered in future studies. It was not possible conclude if exercise practices promotes significant changes on cortisol in elderly individuals and the cortisol reactivity of physical stress. However, studies showed that elderly individuals are able to recovery the cortisol levels after exercise.
Epistemonikos ID: 01868c68e52c1fd64036aca80434d8729b893d09
First added on: Apr 27, 2019