Author : Ryan Cody Squibb
Publisher :
ISBN 13 :
Total Pages : 107 pages
Book Rating : 4.:/5 (747 download)
Book Synopsis The Effects of a 16 Week Physical Activity Program on Bone Mineral Density in Lean and Obese Prepubescent Children Ages 8-11 by : Ryan Cody Squibb
Download or read book The Effects of a 16 Week Physical Activity Program on Bone Mineral Density in Lean and Obese Prepubescent Children Ages 8-11 written by Ryan Cody Squibb and published by . This book was released on 2011 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current obesity epidemic has become a major health crisis to citizens around the United States. Obesity has been successfully linked to a plethora of different disease states including cardiovascular disease, diabetes, and stroke. Although many people might not recognize the trends, the obesity epidemic is putting children as young as 5 and 6 years of age at a health disadvantage compared to children of a healthier weight. With 17% of American's children being classified as obese, it is important to uncover what detrimental influences obesity has on the childhood body. Specifically, with respect to bone health, there is a good amount of information supporting the concept that there is increased acquisition of bone mineral density (BMD) through exercise in children. However, none of these studies have investigated the effects of physical exercise on BMD in obese children compared to lean children. Previous studies show that overweight and obese children are at an increased risk of bone fracture due to low bone mass and bone area for weight. An increased response in BMD or bone mineral content (BMC) of obese children due to exercise could improve bone strength and decrease fracture risk. The purpose of this study was to investigate whether there were differences in BMD acquisition in lean and obese children in response to a 16-week exercise intervention. Dual energy X-absorptiometry (DEXA) was used to assess the change in BMD in children at week 0 and 16. Participants were grouped by body mass index percentile as obese (n=41) or lean (n=19) and then randomly assigned to exercise or control groups. The exercise protocol consisted of aerobic activities such as running, basketball, tennis, football, etc. Participants were required to meet a heart rate average of>140 beats per minute each one-hour exercise session. The protocol for the study was reviewed and approved by the East Carolina University Institutional Review Board. Both lean and obese exercise groups increased total body bone mineral density (+0.026±0.001g/cm2, +0.028±0.001g/cm2 respectively; p