Yutaka Igarashi1, Nobuhiko Akazawa2,3, Seiji Maeda3. 1. Graduate School of Sport and Exercise Sciences, Osaka University of Health and Sport Sciences. 2. Japan Institute of Sports Sciences. 3. Faculty of Health and Sport Sciences, University of Tsukuba.
Abstract
AIM: The purpose of the current work was to review the effects of regular aerobic exercise on serum lipid and lipoprotein levels in East Asians using meta-analysis. METHODS: The randomized controlled trials analyzed involved healthy adults who were East Asians with a mean age ≥40 years, an exercise group that only performed regular aerobic exercise, and a control group that did not carry out exercise-related intervention; the trials indicated mean high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), or triglyceride (TG). The mean difference (MD) was defined as the difference (mean value at post-intervention in the exercise group－mean value at baseline in the exercise group)－(mean value at post-intervention in the control group－mean value at baseline in the control group) in HDL-C, LDL-C, TC, and TG and was calculated for each trial. The weighted MD was calculated with a random-effects model. RESULTS: The meta-analysis examined 994 subjects in 25 studies. The weighted MD in HDL-C, TC, and TG improved significantly (HDL-C, 2.2 mg/dL; TC, －5.8 mg/dL; TG, －13.7 mg/dL). The weighted MD in HDL-C and TC contained significant heterogeneity (HDL-C, I2＝45.1%; TC, I2＝56.2%). When trials were limited to those involving moderate-intensity exercise (55%-69% of the maximum heart rate) or an exercise volume ≥150 min/week, the weighted MD in HDL-C, LDL-C, TC, and TG improved significantly and did not contain significant heterogeneity. CONCLUSIONS: The findings suggest that the ideal form of exercise to improve lipid and lipoprotein levels in East Asians is exercise of moderate-intensity and in a volume ≥150 min/week.
AIM: The purpose of the current work was to review the effects of regular aerobic exercise on serum lipid and lipoprotein levels in East Asians using meta-analysis. METHODS: The randomized controlled trials analyzed involved healthy adults who were East Asians with a mean age ≥40 years, an exercise group that only performed regular aerobic exercise, and a control group that did not carry out exercise-related intervention; the trials indicated mean high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), or triglyceride (TG). The mean difference (MD) was defined as the difference (mean value at post-intervention in the exercise group－mean value at baseline in the exercise group)－(mean value at post-intervention in the control group－mean value at baseline in the control group) in HDL-C, LDL-C, TC, and TG and was calculated for each trial. The weighted MD was calculated with a random-effects model. RESULTS: The meta-analysis examined 994 subjects in 25 studies. The weighted MD in HDL-C, TC, and TG improved significantly (HDL-C, 2.2 mg/dL; TC, －5.8 mg/dL; TG, －13.7 mg/dL). The weighted MD in HDL-C and TC contained significant heterogeneity (HDL-C, I2＝45.1%; TC, I2＝56.2%). When trials were limited to those involving moderate-intensity exercise (55%-69% of the maximum heart rate) or an exercise volume ≥150 min/week, the weighted MD in HDL-C, LDL-C, TC, and TG improved significantly and did not contain significant heterogeneity. CONCLUSIONS: The findings suggest that the ideal form of exercise to improve lipid and lipoprotein levels in East Asians is exercise of moderate-intensity and in a volume ≥150 min/week.
Entities:
Keywords:
Form of exercise; Heterogeneity; Randomized controlled trial