Association between long-term exercise loading and lumbar spine trabecular bone score (TBS) in different exercise loading groups
Heiniö, L., Nikander, R., & Sievänen, H. (2015). Association between long-term exercise loading and lumbar spine trabecular bone score (TBS) in different exercise loading groups. Journal of Musculoskeletal Neuronal Interactions, 15(3), 279-285. http://www.ismni.org/jmni/pdf/61/06HEINIO.pdf
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Journal of Musculoskeletal Neuronal InteractionsDate
2015Copyright
© the Authors, 2015. This is an open access article published by The International Society of Musculoskeletal and Neuronal Interactions.
Objective: To examine whether different exercise loading is associated with lumbar vertebral texture as assessed with Trabecular
Bone Score (TBS). Methods: Data from 88 Finnish female athletes and 19 habitually active women (reference group) were analyzed.
Participants’mean age was 24.3 years(range 17-40 years).Athletes were divided into five specific exercise loading groups according
to sport-specific training history: high-impact (triple jumpers and high jumpers), odd-impact (soccer players and squash players),
high-magnitude (power lifters), repetitive impact (endurance runners), and repetitive non-impact (swimmers). TBS-values were determined
from lumbar vertebral L1-L4 DXA images. Body weight and height, fat-%, lean mass, isometric maximal leg press force,
dynamic peak jumping force and lumbar BMD were also measured. Results: Endurance runners’mean TBS value differed significantly
from all other groups being about 6% lower than in the reference group. After controlling for body height, isometric leg press
force and fat-%, the variables found consistently explaining TBS, the observed between-group difference remained significant
(B=-0.072, p=0.020). After controlling for BMD, the difference persisted (B=-0.065, p=0.016). There were no other significant adjusted
between-group differences. Conclusion: Exercise loading history comprising several repeated moderate impactsis associated
with somewhat lower TBS, which may indicate specific lumbar microarchitecture in endurance runners.
...
Publisher
The International Society of Musculoskeletal and Neuronal InteractionsISSN Search the Publication Forum
1108-7161
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http://www.ismni.org/jmni/pdf/61/06HEINIO.pdfPublication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/24898940
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