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Bone health of apprentice jockeys using peripheral quantitative computed tomography.

D A Greene¹, G A Naughton, C B Jander

¹School of Exercise Science, Australian Catholic University, Strathfield, Australia.

International Journal of Sports Medicine

|February 2, 2013

Summary

Apprentice jockeys show reduced bone strength in the tibia but increased bone density in the distal radius compared to controls. Further research is needed to improve bone health strategies for jockeys.

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Area of Science:

Sports Medicine
Orthopedics
Bone Physiology

Background:

Jockeying is a physically demanding profession.
Bone health is crucial for athletes to prevent fractures.
Limited research exists on the bone health of apprentice jockeys.

Purpose of the Study:

To assess and compare bone health in apprentice jockeys and matched controls.
To identify specific areas of bone density and strength differences.
To inform strategies for improving bone health in this athletic population.

Main Methods:

Peripheral Quantitative Computed Tomography (pQCT) was used to measure bone parameters.
Distal tibia and distal radius were assessed in 50 young adults (apprentice jockeys and controls).
Data were analyzed after covarying for weight and limb length.

Main Results:

Apprentice jockeys had less tibial cortical area and lower strength strain index in the tibia compared to controls.
No significant differences were found in tibial cortical or trabecular density between groups.
Apprentice jockeys exhibited greater distal radial trabecular density and proximal radial strength strain index, but lower distal radial strength strain index.

Conclusions:

Apprentice jockeys demonstrate distinct bone health profiles, with reduced tibial strength but enhanced radial bone density and strength.
Targeted interventions may be necessary to optimize bone health in apprentice jockeys.
Industry stakeholders and healthcare providers should consider strategies to enhance bone density and strength in this group.