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Modelling fore- and hindlimb peak vertical force differences in trotting horses using upper body kinematic asymmetry variables

Roepstorff, Christoffer and Gmel, Annik Imogen and Gmel, Annik Mogen and Arpagaus, Samuel and Braganca, Filipe Manuel Serra and Hernlund, Elin and Roepstorff, Lars and Rhodin, Marie and Weishaupt, Michael Andreas (2022). Modelling fore- and hindlimb peak vertical force differences in trotting horses using upper body kinematic asymmetry variables. Journal of Biomechanics. 137 , 111097
[Research article]

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Abstract

Differences in peak vertical ground reaction forces (dFzpeak) between contralateral forelimbs and hindlimbs are considered the gold standard for quantifying weight-bearing lameness. However, measuring kinematics for the same purpose is more common and practical. Vertical movement asymmetries (VMA) of the horse's upper body have previously been correlated to fore- and hindlimb lameness. But the combined response of head, withers and pelvis VMA to fore- and hindlimb dFzpeak has not yet been thoroughly investigated. Deriving the kinetic responses from kinematics would help the interpretation and understanding of quantified weight-bearing lameness.In this retrospective study, 103 horses with a wide range of fore- and hindlimb dFzpeak had been trotted on a force-measuring treadmill synchronized with an optical motion capture system. VMA of the head, withers and pelvis as well as dFzpeak were extracted. Multiple linear mixed models and linear regressions of kinematic variables were used to model the dFzpeak. It was hypothesised that all included VMA would have a significant influence on the dFzpeak outcome variables.The results showed a complex relationship between VMA and dFzpeak where both amplitude and timing of the VMA were of importance. On average, the contribution percentage of VMA to fore/hind dFzpeak were 66/34% for head, 76/24% for withers and 33/67% for pelvis. The linear regressions for the fore/hindlimb models achieved mean measurement root mean squared errors of 0.83%/0.82% dFzpeak. These results might help determine the clinical relevance of upper body VMA and distinguish between primary fore, hind, ipsilateral and diagonal weight-bearing lameness.

Authors/Creators:Roepstorff, Christoffer and Gmel, Annik Imogen and Gmel, Annik Mogen and Arpagaus, Samuel and Braganca, Filipe Manuel Serra and Hernlund, Elin and Roepstorff, Lars and Rhodin, Marie and Weishaupt, Michael Andreas
Title:Modelling fore- and hindlimb peak vertical force differences in trotting horses using upper body kinematic asymmetry variables
Series Name/Journal:Journal of Biomechanics
Year of publishing :2022
Volume:137
Article number:111097
Number of Pages:11
Publisher:ELSEVIER SCI LTD
ISSN:0021-9290
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 403 Veterinary Science > Medical Bioscience
(A) Swedish standard research categories 2011 > 2 Engineering and Technology > 206 Medical Engineering > Other Medical Engineering
Keywords:Equine kinematics, Kinetics, Lameness, Motion capture, Time-frequency analysis
URN:NBN:urn:nbn:se:slu:epsilon-p-117350
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-117350
Additional ID:
Type of IDID
DOI10.1016/j.jbiomech.2022.111097
Web of Science (WoS)000795912400001
ID Code:28265
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Dept. of Anatomy, Physiology and Biochemistry
Deposited By: SLUpub Connector
Deposited On:07 Jun 2022 21:35
Metadata Last Modified:08 Jun 2022 05:01

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