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Competitive trampolining influences trabecular bone structure, bone size, and bone strength.

Lauren A Burt1, John D Schipilow1, Steven K Boyd1

  • 1Department of Radiology, Faculty of Medicine, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary T2N 4Z6, Canada.

Journal of Sport and Health Science
|October 26, 2018
PubMed
Summary

Competitive trampolining enhances bone health in young women. Trampolinists show improved bone density, structure, and strength compared to non-trampolinists, highlighting the sport's positive skeletal impact.

Keywords:
Dual X-ray absorptiometryFinite element analysisGymnasticsHigh-resolution peripheral quantitative computed tomographyMuscle strengthTrampolining

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Area of Science:

  • Sports Medicine
  • Orthopedics
  • Bone Physiology

Background:

  • Trampolining's rising popularity coincides with critical bone development periods.
  • The impact of competitive trampolining on bone health markers remains under-researched.
  • Understanding these effects is crucial for young athletes' long-term skeletal well-being.

Purpose of the Study:

  • To investigate the relationship between trampolining and bone health in young females.
  • To assess bone density, microarchitecture, and strength in trampolinists versus controls.
  • To explore the role of muscle strength and impact loading in trampolinists' bone adaptations.

Main Methods:

  • Cross-sectional study involving 29 female participants (14 trampolinists, 15 controls) aged 16-29.
  • Skeletal parameters assessed via dual X-ray absorptiometry and high-resolution peripheral quantitative computed tomography (HR-pQCT).
  • Bone strength estimated using finite element analysis (FEA); muscle strength measured with dynamometers.

Main Results:

  • Trampolinists exhibited higher bone density (hip, spine) and larger bone dimensions (tibia, radius) than controls.
  • Enhanced trabecular density and thickness were observed in the tibia of trampolinists.
  • Trampolinists demonstrated superior lower-body muscle strength and greater estimated bone strength (radius, tibia).

Conclusions:

  • This study provides the first HR-pQCT analysis of bone health in female trampolinists.
  • Trampolining participation is associated with significant improvements in bone density, area, microarchitecture, and estimated strength.
  • The findings suggest trampolining positively influences skeletal development and strength in young women.