scholarly journals Age-Related Changes in Bone Mineral Density, Cross-Sectional Area and Strength at Different Skeletal Sites in Male Rats

2002 ◽  
Vol 64 (1) ◽  
pp. 29-34 ◽  
Author(s):  
Haruzo IIDA ◽  
Satoshi FUKUDA
Keyword(s):  
Bone Mineral Density ◽  
Bone Mineral ◽  
Cross Sectional Area ◽  
Male Rats ◽  
Sectional Area ◽  
Mineral Density ◽  
Cross Sectional ◽  
Age Related ◽  
Age Related Changes

scholarly journals The Association Between Hip Muscle Cross-Sectional Area, Muscle Strength, and Bone Mineral Density

2014 ◽  
Vol 95 (1) ◽  
pp. 64-72 ◽  
Author(s):  
Harbeer Ahedi ◽  
Dawn Aitken ◽  
David Scott ◽  
Leigh Blizzard ◽  
Flavia Cicuttini ◽  
...  
Keyword(s):  
Bone Mineral Density ◽  
Muscle Strength ◽  
Bone Mineral ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Mineral Density ◽  
Cross Sectional ◽  
Hip Muscle ◽  
Muscle Cross Sectional Area

scholarly journals Effect of Tissue-Selective Estrogen Complex on Hip Structural Geometry in Postmenopausal Women: A 12-Month Study

2021 ◽  
Vol 12 ◽  
Author(s):  
Bo Mi Kim ◽  
Sung Eun Kim ◽  
Dong-Yun Lee ◽  
DooSeok Choi
Keyword(s):  
Bone Mineral Density ◽  
Postmenopausal Women ◽  
Bone Mineral ◽  
Cortical Thickness ◽  
Bone Geometry ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Mineral Density ◽  
Hip Geometry ◽  
Cross Sectional

BackgroundHip structural analysis (HSA) is a method for evaluating bone geometry reflecting bone structural and biomechanical properties. However, tissue-selective estrogen complex (TSEC) treatment effects on HSA have not been investigated.ObjectiveThis study was performed to evaluate the effect of TSEC treatment on hip geometry in postmenopausal Korean women. The treatment was given for 12 months, and hip geometry was measured by HSA.Materials and MethodsA total of 40 postmenopausal women who received TSEC containing conjugated estrogen 0.45 mg and bazedoxifene 20 mg for treating vasomotor symptoms were included in this retrospective cohort study. The changes in bone mineral density and parameters of HSA including the outer diameter, cross-sectional area, cross-sectional moment of inertia, cortical thickness, section modulus, and buckling ratio as determined by dual-energy X-ray absorptiometry were compared before and after 12 months of TSEC treatment.ResultsMean age and years since menopause were 55.1 and 4.5 years, respectively. Total hip bone mineral density significantly increased by 0.74% after treatment (P=0.011). The changes in HSA were mainly demonstrated in the narrow femoral neck: cross-sectional area (P=0.003) and cortical thickness (P<0.001) increased significantly. For the shaft region, only SM decreased significantly after treatment (P=0.009). However, most parameters did not change significantly with TSEC treatment in the intertrochanteric and shaft regions.ConclusionsOur findings demonstrate that 12 months of TSEC treatment could improve bone geometry as measured by HSA. The findings suggest that TSEC might be an interesting option for the prevention of fracture as well as osteoporosis in postmenopausal women.

Relationship among running mileage, bone density, and serum testosterone in male runners

1992 ◽  
Vol 73 (3) ◽  
pp. 1165-1170 ◽  
Author(s):  
J. D. MacDougall ◽  
C. E. Webber ◽  
J. Martin ◽  
S. Ormerod ◽  
A. Chesley ◽  
...  
Keyword(s):  
Bone Density ◽  
Bone Mineral ◽  
Cross Sectional Area ◽  
Whole Body ◽  
Control Group ◽  
Dual Photon Absorptiometry ◽  
Sectional Area ◽  
Mineral Density ◽  
Cross Sectional ◽  
Density Measurements

Our purpose was to investigate the relationship between running volume and bone mineral mass in adult male runners. Whole body and regional bone mineral density were determined by dual-photon absorptiometry in 22 sedentary controls and 53 runners who were selected according to their running mileage to fall into a 5- to 10-, 15- to 20-, 25- to 30-, 40- to 55-, or 60- to 75-mile/wk group. All groups were of similar age (20–45 yr) and nutritional status, as determined by 7-day food records. Regional sites for bone density measurements included the trunk, spine, pelvis, thighs, and lower legs. In addition, serum total testosterone was determined in each subject and computed tomography scans were made of the lower legs in 34 subjects to assess bone cross-sectional area. No significant differences were detected for bone density measurements with the exception of the lower legs where it was significantly (P less than 0.05) greater for the 15- to 20-mile/wk group than for the control and 5- to 10-mile/wk groups. With mileage greater than 20 miles/wk, bone density of the lower legs showed no further increase and, in fact, tended to decrease, so that for the 60- to 75-mile/wk group it was similar to that of the controls. Cross-sectional area of the tibia and fibula when normalized to body weight tended to be greater as weekly mileage increased and was significantly greater in the 40- to 55-mile/wk runners than in the control group.(ABSTRACT TRUNCATED AT 250 WORDS)

scholarly journals Cardiorespiratory Fitness is Inversely Associated with Risk of Low Bone Mineral Density in Older Korean Men

2020 ◽  
Vol 17 (21) ◽  
pp. 7907
Author(s):  
Inhwan Lee ◽  
Jeonghyeon Kim ◽  
Hyunsik Kang
Keyword(s):  
Physical Activity ◽  
Bone Mineral Density ◽  
Cardiorespiratory Fitness ◽  
Bone Mineral ◽  
Serum Vitamin ◽  
Cross Sectional Study ◽  
Mineral Density ◽  
Cross Sectional ◽  
Serum Vitamin D ◽  
Age Related

Little is known regarding the association between physical fitness and bone health in older Korean men. This study investigated the relationship between estimated cardiorespiratory fitness (eCRF) and bone mineral density (BMD). This cross-sectional study included 2715 Korean men aged 50 years and older selected from those who participated in the 2008–2011 Korea National Health and Nutritional Examination and Survey. eCRF was obtained using a sex-specific algorithm developed on the basis of age, body mass index, resting heart rate, and physical activity and classified into low, middle, and high categories. Femoral neck BMD was assessed by dual X-ray absorptiometry. Odds ratios (OR) and 95% confidence intervals (CI) for osteopenia, osteoporosis, and low BMD were calculated for eCRF categories in models fully adjusted for age, waist circumference, education, income, smoking, heavy alcohol intake, serum vitamin D, serum parathyroid hormone, and dietary intake of energy, protein, calcium, and vitamins A and C. Overall, eCRF levels were positively associated with BMD and negatively with prevalence of osteopenia, osteoporosis, and low BMD. Logistic regression showed inverse trends in the risks of osteopenia (high vs. low: OR = 0.692; 95% CI, 0.328–0.517; p = 0.049) and low BMD (high vs. low: OR = 0.669; 95% CI, 0.497–0.966; p = 0.029) by eCRF category in models fully adjusted for all the measured covariates. The current findings suggest that maintaining high eCRF via regular physical activity may contribute to attenuation of age-related loss of BMD and decreased risk for low BMD in older Korean men.

Age-related changes in bone biochemical markers and their relationship with bone mineral density in normal Chinese women

2006 ◽  
Vol 24 (5) ◽  
pp. 380-385 ◽  
Author(s):  
Yin-Zhen Pi ◽  
Xian-Ping Wu ◽  
Shi-Ping Liu ◽  
Xiang-Hang Luo ◽  
Xing-Zhi Cao ◽  
...  
Keyword(s):  
Bone Mineral Density ◽  
Bone Mineral ◽  
Biochemical Markers ◽  
Chinese Women ◽  
Mineral Density ◽  
Bone Biochemical Markers ◽  
Age Related ◽  
Age Related Changes

Hormone replacement therapy increases isometric muscle strength of adductor pollicis in post-menopausal women

1999 ◽  
Vol 96 (4) ◽  
pp. 357-364 ◽  
Author(s):  
D. A. SKELTON ◽  
S. K. PHILLIPS ◽  
S. A. BRUCE ◽  
C. H. NAYLOR ◽  
R. C. WOLEDGE
Keyword(s):  
Bone Mineral Density ◽  
Muscle Strength ◽  
Bone Mineral ◽  
Hormone Replacement ◽  
Treated Group ◽  
Control Group ◽  
Sectional Area ◽  
Mineral Density ◽  
Cross Sectional ◽  
Post Menopausal

A randomized open trial of hormone replacement therapy was used to assess changes in adductor pollicis muscle strength during 6–12 months of treatment with Prempak C 0.625® in comparison with an untreated control group. Muscle strength (maximal voluntary force; MVF), muscle cross-sectional area and bone mineral density were measured. Women entering the trial had oestrogen levels below 150 pmolċl-1, confirming their post-menopausal hormonal status. In the treated group, MVF increased by 12.4±1.0% (mean±S.E.M.) of initial MVF over the duration of treatment, while it declined slightly (2.9±0.9%) in the control group. This increase in strength could not be explained by an increase in muscle bulk, there being no significant increase in cross-sectional area during the study. Those subjects who were weakest at enrolment showed the greatest increases in muscle strength after treatment. Bone mineral density in total hip, Ward's triangle and total spine increased in the treated group, in agreement with previous studies. There was no correlation between the individual increases in bone mineral density and those in MVF.

scholarly journals Age-Related Changes in Bone Mineral Density and Serum Bone-Related Proteins in Premenopausal and Postmenopausal Japanese Women.

2000 ◽  
Vol 47 (2) ◽  
pp. 103-109 ◽  
Author(s):  
TAKEHIKO YASUMIZU ◽  
TAKASHI OKUNO ◽  
YUKIHITO FUKADA ◽  
KAZUHIKO HOSHI
Keyword(s):  
Bone Mineral Density ◽  
Bone Mineral ◽  
Japanese Women ◽  
Mineral Density ◽  
Age Related ◽  
Related Proteins ◽  
Age Related Changes
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