Abstract
PURPOSE: To investigate the effects of three-day mountain climbing on hormone level and insulin sensitivity. Ten non-obesity and prime-age males (age 31.6±1.6yrs, BMI 24.4±0.8) were participated in this study. METHODS: Oral glucose tolerance test (OGTT) was performed on the pre- and three day of mountain Wu-Ling climbing (altitude 2200-3400m). Fasting blood samples before OGTT were taken for measuring serum cortisol, testosterone, growth hormone (GH), erythropoietin (EPO), DHEA-s and TNF-α level. RESULTS: Three-day mountain climbing improved glucose tolerance and insulin sensitivity, significantly elevated serum testosterone, GH, EPO, TNF-α level, and decreased DHEA-s. CONCLUSIONS: Three-day mountain climbing simproved glucose tolerance and insulin sensitivity, and this improvement was associated with changed hormone level. Muscle damage by mountain climbing could affect glucose tolerance.
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