ArticleEquine veterinary journal2026
Effect of high-speed exercise on subchondral bone in the metacarpo-/metatarsophalangeal joints of 2-year-old Thoroughbred racehorses in their first year of training.
Article in Equine veterinary journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- A longitudinal study of radiodensity and radiographic appearance of the proximal sesamoid bones in Thoroughbred racehorses.Equine veterinary journal · 2026Article
- Objective, Longitudinal Computed Tomographic Evaluation of the Metacarpal Condyles in Non-Lame Thoroughbred Racehorses.Animals : an open access journal from MDPI · 2026Article
- The Effect of Training on the Expression of Protein and Metabolites in the Plasma Exosomes of theAnimals : an open access journal from MDPI · 2026Article
- Effect of high-speed exercise on subchondral bone in the metacarpo-/metatarsophalangeal joints of 2-year-old Thoroughbred racehorses in their first year of training.Equine veterinary journal · 2026Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundStress-induced bone injury can lead to catastrophic injuries in Thoroughbred racehorses. Accumulation of high-speed exercise can increase the risk of subchondral bone injury.
objectivesTo investigate the effect of high-speed exercise on the subchondral bone of the metacarpo-metatarsophalangeal (MCP/MTP) joints using standing cone-beam computed tomography (CBCT) in young racing Thoroughbreds. STUDY
designObservational cohort study.
methodsForty-one 2-year-old Thoroughbred racehorses during their first year of training were evaluated at 0, 6 and 12 months. Horses were evaluated for lameness and effusion of the MCP/MTP joints, and then standing CBCT was performed of the MCP/MTP joints. Subchondral bone hyperdensity (sclerosis) was measured (mm) at defined locations in the distal aspect of the third metacarpal (MC3)/metatarsal (MT3) bone and proximal phalanx (P1). CBCT scans were evaluated for subchondral bone hypodensity (pathology) in MC3/MT3, P1 and proximal sesamoid bones. Racing and training records were obtained from a national online database and trainers.
resultsSubchondral bone sclerosis (coefficient = 0.45; p < 0.003; 95% confidence interval [CI] 0.16-0.74) and pathology (IRR = 1.01; p < 0.001; 95% CI 1.00-1.01) increased significantly with the number of high-speed furlongs accumulated. Lameness was not associated with sclerosis or pathology; however, joint effusion was associated with both sclerosis (IRR = 1.01; p = 0.02; 95% CI 1.00-1.02) and pathology lesion (IRR = 1.14; p < 0.01; 95% CI 1.04-1.25). MAIN LIMITATIONS: Limitations include attrition of horses over time and lack of control over training and husbandry.
conclusionsAn increase in high-speed work was associated with both an increase in subchondral bone sclerosis and pathology.
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