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The Official Journal of the Korean Academy of Kinesiology 2010;12(1):55-64.
Published online January 30, 2010.
The Effects of 12-Week Combined Exercise Program on BMD, PTH, and IGF-Ⅰ in Elderly Women
Jae Kyung Byeon, Hak Jun Kim, Sung Soo Goong, Sun Hee Park, Jeong Ki Seo, Jae-Moon Byeon, Soo Jeong Jeong
Chungbuk National University
Chungbuk National Univ. Hospital
Correspondence:  Jae Kyung Byeon,
Email: jkbyeon@chungbuk.ac.kr
Received: 12 October 2009   • Accepted: 12 January 2010

The purpose of this study was to examine the effects of the 12-week combined exercise program on bone mineral density(BMD), parathyroid hormone(PTH) and insulin like growth factor-I(IGF-I) in elderly women.
Twenty participants aged above 65 years old were randomly directed into combined exercise program(CEP) group(n=10) and control group(n=10). All of the data were analyzed by using two-way ANOVA with repeated measure, paired t-test and independent t-test by using SPSS program (version 12.0). P-values of <.05 were considered significant.
After the program, there was no significant difference in PTH and IGF-I for both groups but femur neck BMD was significantly improved in the CEP group(p<.05).
12-week combined exercise program consisting aerobic exercise, muscular strengthen exercise, and fall prevent exercise help maintaining BMD and preventing bone mass loss. These positive effects help to lower the risk of osteoporosis for elderly women.
Keywords: Combined exercise program, BMD, PTH, IGF-


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