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Effects of Acute forest Walking Exercise on Blood Glucose of IGT, NIDDM in the Elderly  

Choi, Jong-Hwan (Chungbuk National University)
Shin, Won-Sop (Chungbuk National University)
Rho, Ki-Taek (Chungbuk National University)
Yeon, Poung-Sik (Chungbuk National University)
Publication Information
Journal of Korean Society of Forest Science / v.99, no.1, 2010 , pp. 47-51 More about this Journal
Abstract
The purpose of this study was to analyze the effect of acute forest walking exercise on blood glucose of IGT (impaired glucose tolerance), NIDDM (non-insulin dependent diabetes mellitus) in the elderly. There were four groups (n=60): forest walking exercise with IGT group (n=15; $66.21{\pm}4.16$ yrs), forest walking exercise with NIDDM group (n=15; $64.85{\pm}3.23$ yrs), field walking exercise with IGT group (n=15; $67.44{\pm}1.78$ yrs), field walking exercise with NIDDM group (n=15; $65.55{\pm}8.21$ yrs). They were tested on blood glucose levels at the beginning and at the end of each walking exercise. While the forest walking groups (interval + resistance exercise) worked for 40minutes with HRmax 50~60% level, the field walking groups (only aerobic exercise) worked for 40 minutes with HRmax 50~60% level. For data analysis, mean and standard deviation scores were calculated, and paired t-test and ANCOVA test were used. This study resulted in as follows. First, both walking groups showed the significant decrease of blood glucose in impaired glucose tolerance (IGT) after completing each exercise. Second, while the forest walking group showed the significant decrease of blood glucose in insulin dependent diabetes mellitus (NIDDM) after completing the forest exercise, the field walking group did not present any decrease of blood glucose in NIDDM after the field walking exercise. Therefore, the present findings suggest that the forest walking exercise as an interval and resistance exercise may be more effective to decrease blood glucose for IGT and NIDDM peoples in comparison to the field walking exercise as an aerobic exercise.
Keywords
blood glucose; forest walking exercise; IGT (impaired glucose tolerance); NIDDM (non-insulin dependent diabetes mellitus); interval exercise; resistance exercise; aerobic exercise;
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