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KMID : 0613820230330100791
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Journal of Life Science
2023 Volume.33 No. 10 p.791 ~ p.796
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Effects of Walking Exercise Intervention on Body Composition, Insulin Resistance, and Blood Pressure in Elderly Obese Women with Stage 1 Hypertension
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Park Moon-Soo
Kwak Yi-Sub
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Abstract
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It is well known that any kind of physical activity can be a useful nonpharmacological tool in the prevention and treatment of cardiovascular diseases, including antihypertension. There is also strong evidence that suggests that people with cardiovascular disease are less active than healthy people. Therefore, the aim of this study was to investigate the effect of a 12-week walking exercise intervention program on body composition, insulin resistance, and blood pressure in obese elderly women with stage 1 hypertension. The walking exercise program was performed for 50 min, three times per week. The intensity progressively increased: RPE 11 to 12, 40-50% HRR, for weeks 1-4; RPE 12 to 13, 50-60% HRR, for weeks 5-8; and RPE 13 to 14, 60-65% HRR, for weeks 9-12. The subjects were 20 obese elderly women with stage 1 hypertension (SBP: 140-159 mmHg or DBP: 90-99 mmHg). Half were placed in the walking exercise group (EX, n=10), and half were placed in the control group (CON, n=10). At the end of the program, the EX group members had significantly lower body fat, insulin resistance, and SBP compared to the CON group members. These results suggest that undertaking a 12-week walking exercise program improves body fat, insulin resistance, and SBP, which may improve the incidence of metabolic disease in elderly obese women with stage 1 hypertension.
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KEYWORD
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Body composition, HOMA-IR, hypertension, obese, walking exercise intervention
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