Effect Of Regular Exercise Training On Cardiorespiratory Fitness In Diabetes Mellitus: Meta-analysis

Objective: The aim of this study is to find out the effect of regular exercise training on cardiorespiratory fitness in diabetes mellitus.Medline and SPORT Discus were searched for related trials according to inclusion criteria and exclusion criteria.The trials were assessed by Jadad scales.And related data were extracted and analyzed.The result showed: 1) There are 33 studies searched about exercise intervention on cardiorespiratory fitness in type Ⅱ diabetes mellitus.Regular exercise can increase the VO2max about 16.1% in type Ⅱ diabetes mellitus(P<0.01).60%～79% VO2maxintensity exercise can improve the VO2max(P<0.01).Both moderate exercise and moderate plus resistance exercise can improve the VO2maxin type Ⅱ diabetes mellitus,and the former is more effective(P<0.01);2) There are only 4 studies satisfied the criteria,and regular exercise can’t improve the VO2max in type Ⅰ diabetes mellitus(P>0.05).The results suggest: regular exercise can improve cardiorespiratory fitness in type Ⅱ diabetes mellitus,both moderate aerobic exercise and moderate aerobic plus resistance exercise can improve cardiorespiratory fitness.60%～79%VO2maxintensity exercise can improve the cardiorespiratory fitness.It’s not sure whether regular exercise can improve cardiorespiratory fitness in type Ⅰ diabetes mellitus.