نتایج جستجو برای: gcm2 and bone mineral content bmc
تعداد نتایج: 16919848 فیلتر نتایج به سال:
Taurine supplementation has been shown to have a beneficial effect on femur bone mineral content in ovariectomized rats. It therefore seemed desirable to find out whether the beneficial effect of taurine on ovariectomized rats fed calcium deficient diet could also be reproduced. Forty female Sprague-Dawley rats were divided into two groups. One group was OVX and the other group received sham op...
Although increased physical activity early in life is recommended for optimizing bone health, no controlled trials on the effect of activity on bone mass accretion during periods of rapid growth have been reported. The purpose of this study was to determine whether infants randomized to a 1 year gross motor activity program had a greater bone mass accretion than infants randomized to a fine mot...
مقدمه: ارزیابی تراکم ماده ی معدنی استخوان (bmd یا bone mineral density) با استفاده از روش جذب اشعه ی ایکس با انرژی دوگانه (dxa یا dual-energy x-ray absorptiometry) نقش مهمی در تشخیص و روند پاسخ به درمان پوکی استخوان ایفا می کند. تغییرات ضخامت بافت نرم، می تواند موجب خطاهای احتمالی در مقادیر استخوانی روش dxa گردد. هدف از این مطالعه، بررسی تأثیر بافت نرم بر تراکم استخوانی به روش dxa می باشد. روش ...
BACKGROUND Osteoporosis has been reported as a complication of cystic fibrosis (CF). AIMS To measure bone mineral density (BMD) in non-acutely ill adults and bone mineral content (BMC) in children with CF. METHODS We analysed data from 28 adults and 13 children with CF. Corticosteroid use was minimal for the year prior to study in both groups. Dual x ray absorptiometry was used to measure t...
There are conflicting reports on the influence of lean and fat mass on bone accrual during childhood. No infant's studies have been reported that describe the influence of changes in body composition with changes in bone accrual during the first year of life. The objective of this research was to test the hypothesis that greater gains in lean mass will have a positive effect on bone mineral con...
BACKGROUND We investigated whether Body Mass Index (BMI) at 11 years old has a direct effect on bone mass at age 18 operating through alterations to bone growth and development, or whether the association is mediated by concurrent BMI, fat mass (FM), and fat free mass (FFM). METHODS Path analysis was used to explore the association between BMI at age 11 and whole-body bone mineral content (BM...
In the context of future growth and performance testing, this study compares corresponding body composition results measured by two dual energy X-ray absorptiometry systems. To test the capability of each device to detect differences among experimental groups widely varying in body composition, 77 pigs from 6 purebred/crossbred groups were used for the experiment. Each pig was scanned consecuti...
BACKGROUND Studies of the effect of childhood obesity on bone accrual during growth have yielded conflicting results, largely related to the failure to adequately characterize the confounding effects of growth, maturation, and body composition. OBJECTIVE The objective of this study was to determine the effect of childhood obesity on skeletal mass and dimensions relative to height, body compos...
BACKGROUND Bone strength index (BSI) combines bone mineral and bone biomechanical properties to measure resistance to bending. This index may have greater clinical significance than the more often described markers of bone mineral content (BMC), areal density, or geometry alone and, in turn, may show a stronger relation to fracture risk. The BSI is the product of volumetric cortical bone minera...
BACKGROUND Conflicting results exist about the short-and long-term effects of breastfeeding on bone mineral content (BMC) and bone mineral density (BMD). We conducted a systematic review to assess the relationship between method of infant feeding and bone mass in children, adolescents and adults. METHODS The literature review was concluded in September 2014 in MEDLINE, Web of Science and LILA...
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