Compensatory load redistribution of horses with induced weight-bearing forelimb lameness trotting on a treadmill

Weishaupt, Michael A; Wiestner, Thomas; Hogg, Hermann P.; Jordan, Patrick R.; Auer, Jörg A

doi:10.1016/j.tvjl.2004.09.004

Cited by 101 publications

(152 citation statements)

References 34 publications

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“…At walk, peak vertical force observed in the osteochondrosis positive foals was also significantly lower at Week 8; however, it was higher in these animals at Week 10. Reduction of peak vertical force was previously reported to be a gait adaptation mechanism in an induced lameness model 45, 46. Although the foals in the current study were not visibly lame, this finding strongly suggests that around Weeks 4 and 6 subclinical lameness was present in the osteochondrosis‐positive foals.…”

Section: Discussionsupporting

confidence: 55%

The development of locomotor kinetics in the foal and the effect of osteochondrosis

Gorissen

Wolschrijn

Bragança

et al. 2016

Equine Veterinary Journal

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SummaryReason for performing studyFoals stand and walk immediately after birth, but insight into the subsequent longitudinal development of their gait kinetics in the early juvenile phase and the possible influence of osteochondrosis thereon is lacking.ObjectivesTo quantify gait kinetics in foals during the first half year of life, taking into account their osteochondrosis status.Study designProspective, cohort study performed at a single stud farm.MethodsPressure plate measurements at walk and trot from 11 Dutch Warmblood foals during the first 24 weeks of life were used to determine body mass normalised peak vertical force, normalised vertical impulse and stance duration. Coefficients of variation of peak vertical force and stance duration were used as measures for gait maturity. Radiographs of tarsocrural and femoropatellar joints were taken at age 4–6 weeks and after 6 months to check for osteochondrosis. A linear mixed model was used to determine the effects of age, limb, presence of osteochondrosis and speed on gait parameters.ResultsMean walking and trotting velocity increased over time as did stance duration and normalised vertical impulse, normalised peak vertical force values however remained relatively constant. During the first weeks of their life only the coefficient of variation of stance duration decreased significantly, while the coefficient of variation of peak vertical force did not. None of the foals was visibly lame, but the presence of osteochondrosis resulted in a temporarily but significantly reduced normalised peak vertical force.Main limitationsThis study is a relatively small sample size of one breed from a single stud farm. A stand‐alone pressure plate was used and body mass was estimated rather than measured.ConclusionsDespite being precocious, foals need time to mature their gait. During growth, velocity at walk and trot increases, but normalised peak vertical force remains relatively constant. Although not visibly lame, a temporary reduction in normalised peak vertical force was detected in osteochondrosis positive foals using a pressure plate.

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Section: Discussionsupporting

confidence: 55%

The development of locomotor kinetics in the foal and the effect of osteochondrosis

Gorissen

Wolschrijn

Bragança

et al. 2016

Equine Veterinary Journal

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“…The body condition were had significant association with the prevalence of lameness (p=0.03) which has been found previously (Pritchard et al, 2005), raises questions regarding the direction of its causality. Lameness could reduce body condition through lame donkey expending more energy on locomotion than sound donkeys (Weishaupt et al, 2004;Weishaupt et al, 2006), with most donkey owners in developing countries being…”

Section: Discussionmentioning

confidence: 99%

A Cross Sectional Study on Risk Factors Associated with Lameness of Working Donkeys in and around Hawassa, Ethiopia

Kiros¹,

Gezahegn²,

Aylate³

2016

J. Anim. Health Prod.

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| A cross sectional study for risk analysis was undertaken on randomly selected working donkeys (n = 384) at the city Hawassa and its surroundings to estimate the prevalence of lameness. Among the lameness examined donkeys, all the lamed donkeys were subjected towards veterinary clinics for detailed characterization. Focus group discussion was carried out in 10 study sites with 60-70 donkey owners and cart-drivers. Locomotion scoring was recorded on a scale of (0-4; sound-non weight-bearing) at a walk of about 20 meters distance. From the total examined donkeys, 19.53% were found with lameness, in which 72% were of low-grade lameness, 17% moderate grade followed by highgrade lameness (9.33%). Multiple chronic pathological abnormalities within each limb were associated with different lameness types, in which sole bruise (3.64%) was on the peak that followed by puncture wound (3.12%) and subsequently by thrush, sub solar abscess, and hoof cracking with 2.34% each. Moreover, the risk factors associated with older donkeys were noted with significantly higher (p<0.05) than donkeys. Likewise the donkeys used to work with poor body condition had higher (p<0.05) prevalence of lameness. These results should assistthe implementation of interventions to reduce the prevalence of lameness in working equids.

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“…A lame horse would decrease the forces acting on the lame diagonal (Weishaupt et al, 2004(Weishaupt et al, , 2006, thus, the area under the positive part of the vertical acceleration curve during stance of the lame diagonal would decrease. As a measure of the symmetry of the loading in the two diagonals, the symmetry index A was defined as the natural logarithmic quotient of the area under the curve for the positive parts of a period…”

Section: Symmetry Indicesmentioning

confidence: 99%

Symmetry indices based on accelerometric data in trotting horses

Thomsen

Jensen

Sørensen

et al. 2010

Journal of Biomechanics

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Compensatory load redistribution of horses with induced weight-bearing forelimb lameness trotting on a treadmill

Cited by 101 publications

References 34 publications

The development of locomotor kinetics in the foal and the effect of osteochondrosis

The development of locomotor kinetics in the foal and the effect of osteochondrosis

A Cross Sectional Study on Risk Factors Associated with Lameness of Working Donkeys in and around Hawassa, Ethiopia

Symmetry indices based on accelerometric data in trotting horses

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