Normal variation in pelvic roll motion pattern during straight-line trot in hand in warmblood horses
Abstract In horses, hip hike asymmetry, i.e. left–right difference in hip upwards movement during hind limb protraction in trot, is a crucial lameness sign. Vertical hip movements are complex, influenced by both pelvic roll and pelvic vertical motion. Veterinarians find it challenging to identify lo...
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2023-10-01
|
| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-023-44223-2 |
| _version_ | 1827634307435331584 |
|---|---|
| author | A. Byström A. M. Hardeman M. T. Engell J. H. Swagemakers M. H. W. Koene F. M. Serra-Bragança M. Rhodin E. Hernlund |
| author_facet | A. Byström A. M. Hardeman M. T. Engell J. H. Swagemakers M. H. W. Koene F. M. Serra-Bragança M. Rhodin E. Hernlund |
| author_sort | A. Byström |
| collection | DOAJ |
| description | Abstract In horses, hip hike asymmetry, i.e. left–right difference in hip upwards movement during hind limb protraction in trot, is a crucial lameness sign. Vertical hip movements are complex, influenced by both pelvic roll and pelvic vertical motion. Veterinarians find it challenging to identify low-grade lameness, and knowledge of normal variation is a prerequisite for discerning abnormalities. This study, which included 100 clinically sound Warmblood horses, aimed to describe normal variation in pelvic roll stride patterns. Data were collected during straight-line trot in hand using optical motion capture. Stride-segmented pelvic roll data, normalised with respect to time (0–100% of the stride) and amplitude (± 0.5 of horse average stride range of motion), were modelled as a linear combination of sine and cosine curves. A sine curve with one period per stride and a cosine curve with three periods per stride explained the largest proportions of roll motion: model estimate 0.335 (p < 0.01) and 0.138 (p < 0.01), respectively. Using finite mixture models, the horses could be separated into three groups sharing common pelvic roll characteristics. In conclusion, pelvic roll motion in trot follows a similar basic pattern in most horses, yet there is significant individual variation in the relative prominence of the most characteristic features. |
| first_indexed | 2024-03-09T15:12:32Z |
| format | Article |
| id | doaj.art-2fab6be6c3414fc592ad6f3f49479ef3 |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-03-09T15:12:32Z |
| publishDate | 2023-10-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-2fab6be6c3414fc592ad6f3f49479ef32023-11-26T13:17:25ZengNature PortfolioScientific Reports2045-23222023-10-0113111110.1038/s41598-023-44223-2Normal variation in pelvic roll motion pattern during straight-line trot in hand in warmblood horsesA. Byström0A. M. Hardeman1M. T. Engell2J. H. Swagemakers3M. H. W. Koene4F. M. Serra-Bragança5M. Rhodin6E. Hernlund7Department of Animal Environment and Health, Section of Ethology and Animal Welfare, Swedish University of Agricultural SciencesDepartment of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht UniversityDepartment of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Equine Teaching Hospital, Norwegian University of Life SciencesTierklinik Lüesche GmbHTierklinik Lüesche GmbHDepartment of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht UniversityDepartment of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural SciencesDepartment of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural SciencesAbstract In horses, hip hike asymmetry, i.e. left–right difference in hip upwards movement during hind limb protraction in trot, is a crucial lameness sign. Vertical hip movements are complex, influenced by both pelvic roll and pelvic vertical motion. Veterinarians find it challenging to identify low-grade lameness, and knowledge of normal variation is a prerequisite for discerning abnormalities. This study, which included 100 clinically sound Warmblood horses, aimed to describe normal variation in pelvic roll stride patterns. Data were collected during straight-line trot in hand using optical motion capture. Stride-segmented pelvic roll data, normalised with respect to time (0–100% of the stride) and amplitude (± 0.5 of horse average stride range of motion), were modelled as a linear combination of sine and cosine curves. A sine curve with one period per stride and a cosine curve with three periods per stride explained the largest proportions of roll motion: model estimate 0.335 (p < 0.01) and 0.138 (p < 0.01), respectively. Using finite mixture models, the horses could be separated into three groups sharing common pelvic roll characteristics. In conclusion, pelvic roll motion in trot follows a similar basic pattern in most horses, yet there is significant individual variation in the relative prominence of the most characteristic features.https://doi.org/10.1038/s41598-023-44223-2 |
| spellingShingle | A. Byström A. M. Hardeman M. T. Engell J. H. Swagemakers M. H. W. Koene F. M. Serra-Bragança M. Rhodin E. Hernlund Normal variation in pelvic roll motion pattern during straight-line trot in hand in warmblood horses Scientific Reports |
| title | Normal variation in pelvic roll motion pattern during straight-line trot in hand in warmblood horses |
| title_full | Normal variation in pelvic roll motion pattern during straight-line trot in hand in warmblood horses |
| title_fullStr | Normal variation in pelvic roll motion pattern during straight-line trot in hand in warmblood horses |
| title_full_unstemmed | Normal variation in pelvic roll motion pattern during straight-line trot in hand in warmblood horses |
| title_short | Normal variation in pelvic roll motion pattern during straight-line trot in hand in warmblood horses |
| title_sort | normal variation in pelvic roll motion pattern during straight line trot in hand in warmblood horses |
| url | https://doi.org/10.1038/s41598-023-44223-2 |
| work_keys_str_mv | AT abystrom normalvariationinpelvicrollmotionpatternduringstraightlinetrotinhandinwarmbloodhorses AT amhardeman normalvariationinpelvicrollmotionpatternduringstraightlinetrotinhandinwarmbloodhorses AT mtengell normalvariationinpelvicrollmotionpatternduringstraightlinetrotinhandinwarmbloodhorses AT jhswagemakers normalvariationinpelvicrollmotionpatternduringstraightlinetrotinhandinwarmbloodhorses AT mhwkoene normalvariationinpelvicrollmotionpatternduringstraightlinetrotinhandinwarmbloodhorses AT fmserrabraganca normalvariationinpelvicrollmotionpatternduringstraightlinetrotinhandinwarmbloodhorses AT mrhodin normalvariationinpelvicrollmotionpatternduringstraightlinetrotinhandinwarmbloodhorses AT ehernlund normalvariationinpelvicrollmotionpatternduringstraightlinetrotinhandinwarmbloodhorses |