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| Author | Davies, H.M.S.; Merritt, J.S. | ||||
| Title | Surface strains around the midshaft of the third metacarpal bone during turning | Type | Journal Article | ||
| Year | 2004 | Publication | Equine Veterinary Journal | Abbreviated Journal | Equine Veterinary Journal |
| Volume | 36 | Issue | 8 | Pages | 689-692 |
| Keywords | horse; exercise; strain; third metacarpal bone; turns | ||||
| Abstract | Summary Reasons for performing study: Bone strains quantify skeletal effects of specific exercise and hence assist in designing training programmes to avoid bone injury. Objective: To test whether compressive strains increase on the lateral surface of the inside third metacarpal bone (McIII) and the medial surface of the outside McIII in a turn. Methods: Rosette strain gauges on dorsal, medial and lateral surfaces of the midshaft of the left McIII in 2 Thoroughbred geldings were recorded simultaneously during turning at the walk on a bitumen surface. Results: Medial surface: Compression peaks were larger in the outside limb. Tension peaks were larger in the inside limb and in a tighter turn. On the lateral surface compression and tension peaks were larger on the inside limb, which showed the largest recorded strains (compression of -1400 microstrains). Dorsal compression strains were larger on the outside limb and on a larger circle. Tensile strains were similar in both directions and larger on a larger circle. Conclusions: Compressive strains increased on the lateral surface of the inside McIII and medial surface of the outside McIII in a turn. Potential relevance: Slow-speed turning exercise may be sufficient to maintain bone mechanical characteristics in the inside limb lateral McIII cortex. Further work is needed to confirm these findings and to determine whether faster gaits and/or tighter turns are sufficient to cause bone modelling levels of strain in the medial and lateral McIII cortex. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | American Medical Association (AMA) | Place of Publication | Editor | ||
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| ISSN | 0425-1644 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6715 | ||
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