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Mid-femoral and mid-tibial muscle cross-sectional area as predictors of tibial bone strength in middle-aged and older men

Rantalainen, T, Nikander, R, Kukuljan, S and Daly, RM 2013, Mid-femoral and mid-tibial muscle cross-sectional area as predictors of tibial bone strength in middle-aged and older men, Journal of Musculoskeletal and Neuronal Interactions, vol. 13, no. 3, pp. 273-282.

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Title Mid-femoral and mid-tibial muscle cross-sectional area as predictors of tibial bone strength in middle-aged and older men
Author(s) Rantalainen, T
Nikander, R
Kukuljan, S
Daly, RM
Journal name Journal of Musculoskeletal and Neuronal Interactions
Volume number 13
Issue number 3
Start page 273
End page 282
Total pages 10
Publisher International Society of Musculoskeletal and Neuronal Interactions
Place of publication Kifissia, Greece
Publication date 2013
ISSN 1108-7161
Keyword(s) Muscle Cross-Sectional
Bone Strength
QCT
Older Men
Muscle-Bone Interaction
Summary While it is widely acknowledged that bones adapt to the site-specific prevalent loading environment, reasonable ways to estimate skeletal loads are not necessarily available. For long bone shafts, muscles acting to bend the bone may provide a more appropriate surrogate of the loading than muscles expected to cause compressive loads. Thus, the aim of this study was to investigate whether mid-thigh muscle cross-sectional area (CSA) was a better predictor of tibial mid-shaft bone strength than mid-tibia muscle CSA in middle aged and older men. 181 Caucasian men aged 50–79 years (mean±SD; 61±7 years) participated in this study. Mid-femoral and mid-tibial bone traits cortical area , density weighted polar moment of area and muscle CSA [cm²] were assessed with computed tomography. Tibial bone traits were positively associated with both the mid-femur (r=0.44 to 0.46, P<0.001) and the mid-tibia muscle CSA (r=0.35 to 0.37, P<0.001). Multivariate regression analysis, adjusting for age, weight, physical activity and femoral length, indicated that mid-femur muscle CSA predicted tibial mid-shaft bone strength indices better thn mid-tibia muscle CSA. In conclusion, the association between a given skeletal site and functionally adjacent muscles may provide a meaningful probe of the site-specific effect of loading on bone.
Language eng
Field of Research 110602 Exercise Physiology
Socio Economic Objective 920502 Health Related to Ageing
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2013, International Society of Musculoskeletal and Neuronal Interactions
Persistent URL http://hdl.handle.net/10536/DRO/DU:30060427

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.