scholarly journals Influence of mechanical loading and skeleton geometry in bone mass at the proximal femur in 10[ndash]12 years old children: a longitudinal study

2013 ◽  
Author(s):  
Graca Cardadeiro ◽  
Fatima Baptista ◽  
Nicolleta Rosati ◽  
Vera Zymbal ◽  
Lurdes Rebocho ◽  
...  
Keyword(s):  
Longitudinal Study ◽  
Bone Mass ◽  
Mechanical Loading ◽  
Proximal Femur

Influence of physical activity and skeleton geometry on bone mass at the proximal femur in 10- to 12-year-old children—a longitudinal study

2014 ◽  
Vol 25 (8) ◽  
pp. 2035-2045 ◽  
Author(s):  
G. Cardadeiro ◽  
F. Baptista ◽  
N. Rosati ◽  
V. Zymbal ◽  
K. F. Janz ◽  
...  
Keyword(s):  
Physical Activity ◽  
Longitudinal Study ◽  
Bone Mass ◽  
Proximal Femur

Aging and the Osteogenic Response to Mechanical Loading

2001 ◽  
Vol 11 (s1) ◽  
pp. S137-S142 ◽  
Author(s):  
Wendy M. Kohrt
Keyword(s):  
Growth Factors ◽  
Bone Mass ◽  
Mechanical Loading ◽  
Bone Cells ◽  
Weight Bearing ◽  
Bone Modeling ◽  
Mineral Density ◽  
Increase Bone Mass ◽  
Age Related ◽  
Osteogenic Response

The osteogenic response to mechanical stress is blunted with aging. It has been postulated that this decline in responsiveness is related to (a) a limited ability to engender the strain necessary to reach the bone modeling threshold, due to decreased muscle mass and strength, and/or (b) a decline in certain hormones or growth factors that may interact with mechanical signals to change the sensitivity of bone cells to strain. There is reason to believe that both of these factors contribute to the reduced ability to increase bone mass through exercise with advancing age. Weight-bearing endurance exercise and resistance exercise have both been found to increase bone mass in older women and men. However, exercise training studies involving older individuals have generally resulted in increased bone mineral density only when the exercise is quite vigorous. There is also evidence that the osteogenic response to mechanical loading is enhanced by estrogens. Whether age-related changes in other factors (e.g., other hormones, growth factors, cytokines) also contribute to the reduced responsiveness of the aged skeleton to mechanical loading remains to be investigated.

Oral contraceptive use by teenage women does not affect peak bone mass: a longitudinal study

2000 ◽  
Vol 74 (4) ◽  
pp. 734-738 ◽  
Author(s):  
Tom Lloyd ◽  
Denise S Taylor ◽  
Hung Mo Lin ◽  
Amy E Matthews ◽  
Douglas F Eggli ◽  
...  
Keyword(s):  
Longitudinal Study ◽  
Oral Contraceptive ◽  
Bone Mass ◽  
Peak Bone Mass ◽  
Contraceptive Use ◽  
Oral Contraceptive Use

376 RADIAL BONE MASS IN POSTMENOPAUSAL WOMEN: A LONGITUDINAL STUDY

1990 ◽  
Vol 22 (2) ◽  
pp. S63
Author(s):  
J. Ballard ◽  
K. Gilbreath ◽  
B. McXeown ◽  
D. Holiday
Keyword(s):  
Longitudinal Study ◽  
Bone Mass ◽  
Postmenopausal Women ◽  
Radial Bone

Is BsmI vitamin-D receptor gene polymorphism associated with combined bone mass in spine and proximal femur in icelandic women?

1996 ◽  
Vol 6 (S1) ◽  
pp. 157-157
Author(s):  
G. Sigurdsson ◽  
D. N. Magnúsdóttir ◽  
J. O. Kristinsson ◽  
K. Kristjánsson ◽  
I. Olaisson
Keyword(s):  
Vitamin D ◽  
Gene Polymorphism ◽  
Bone Mass ◽  
Vitamin D Receptor ◽  
Proximal Femur ◽  
Receptor Gene ◽  
Vitamin D Receptor Gene ◽  
Receptor Gene Polymorphism

Bone mass in female cynomolgus macaques: A cross-sectional and longitudinal study by age

1994 ◽  
Vol 54 (3) ◽  
pp. 231-236 ◽  
Author(s):  
M. J. Jayo ◽  
C. P. Jerome ◽  
C. J. Lees ◽  
S. E. Rankin ◽  
D. S. Weaver
Keyword(s):  
Longitudinal Study ◽  
Bone Mass ◽  
Cross Sectional ◽  
Cynomolgus Macaques

Physical Activity, Bone Geometry, and Bone Mass at the Proximal Femur Regions in Young Adults

2014 ◽  
Vol 46 ◽  
pp. 38 ◽  
Author(s):  
Vera Zymbal ◽  
Lurdes Rebocho ◽  
Graça Cardadeiro ◽  
Fátima Baptista
Keyword(s):  
Physical Activity ◽  
Young Adults ◽  
Bone Mass ◽  
Proximal Femur ◽  
Bone Geometry
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