Compensatory load redistribution in walking and trotting dogs with hind limb lameness

Fischer, Stefanie; Anders, A.; Nolte, Ingo; Schilling, Nadja

doi:10.1016/j.tvjl.2013.04.009

Cited by 51 publications

(101 citation statements)

References 40 publications

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“…Previous work in this area investigated bone healing 26 but did not evaluate GRF evolution in the non-intervened limbs. Other works 2,12 and the results of this study showed that lameness in any limb affects GRF in all limbs.…”

Section: Discussionsupporting

confidence: 60%

“…The overall shape of GRF curves was similar to curves reported in previous works. 10,12 After surgery, the lameness induced by bone transport caused decreases in P, M, and I values for the intervened limb (5-20% in Hi) and increases for the other limbs (8-22% in Fi, 18-28% in Fc, and 30-50% in Hc; Fig. 6).…”

Section: Discussionmentioning

confidence: 98%

“…For each sheep, DGP were averaged from parameters of several gait tests performed during specific weeks. The following weeks after surgery were evaluated: 2, 3, 4, 5, 6,7,8,9,10,11,12,13,14,15,17,21,28,35,37,40,41,48, and 60. From week 2, when gait tests began, no analgesic drugs were received by the animals.…”

Section: Gait Experimentsmentioning

confidence: 99%

“…It was calculated for fore and hind limbs. The symmetry index for the parameter x can be calculated according to: 12 Ix ¼ 100…”

Section: Gait Experimentsmentioning

confidence: 99%

“…Animal experimental works have shown that changes in the load bearing (due to lameness) of a limb modify gait conditions in the intervened limb 7,20 and in the other limbs. 2,12 Seebeck et al 26 studied changes in the ground reaction forces of only the intervened limb during the bone healing process, but the load bearing variations of the limb are also known to affect the other limbs. Macri et al 19 studied changes in the gait during the bone healing process but did not measure the ground reaction force, thereby preventing a quantitative assessment.…”

Section: Introductionmentioning

confidence: 99%

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In Vivo Gait Analysis During Bone Transport

et al. 2015

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The load bearing characteristics of the intervened limb over time in vivo are important to know in distraction osteogenesis and bone healing for the characterization of the bone maturation process. Gait analyses were performed for a group of sheep in which bone transport was carried out. The ground reaction force was measured by means of a force platform, and the gait parameters (i.e., the peak, the mean vertical ground reaction force and the impulse) were calculated during the stance phase for each limb. The results showed that these gait parameters decreased in the intervened limb and interestingly increased in the other limbs due to the implantation of the fixator. Additionally, during the process, the gait parameters exponentially approached the values for healthy animals. Corresponding radiographies showed an increasing level of ossification in the callus. This study shows, as a preliminary approach to be confirmed with more experiments, that gait analysis could be used as an alternative method to control distraction osteogenesis or bone healing. For example, these analyses could determine the appropriate time to remove the fixator. Furthermore, gait analysis has advantages over other methods because it provides quantitative data and does not require instrumented fixators.

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Section: Discussionsupporting

confidence: 60%

Section: Discussionmentioning

confidence: 98%

Section: Gait Experimentsmentioning

confidence: 99%

“…It was calculated for fore and hind limbs. The symmetry index for the parameter x can be calculated according to: 12 Ix ¼ 100…”

Section: Gait Experimentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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In Vivo Gait Analysis During Bone Transport

et al. 2015

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Veterinary Orthotics and Prosthetics

Mich¹,

Kaufmann²

2018

Canine Sports Medicine and Rehabilitation

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Ontogenetic change of the weight support pattern in growing dogs

et al. 2014

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Weight support patterns vary widely among mammals. Differences in how much of the body weight is supported by the fore- versus the hind-limbs are well documented among and within species. Intraindividual variation due to ontogenetic processes has been studied in several hindlimb-dominated species and consistently showed a caudal shift in the limbs' support roles. We hypothesized that forelimb-dominated species exhibit a cranial shift in their support pattern and tested this hypothesis by examining the vertical ground reaction forces in growing dogs. Six male Beagle siblings were studied from 9 to 51 postnatal weeks (PW) of age while they trotted on an instrumented treadmill. Ontogenetic shifting in fore-to-hind support was evaluated using vertical force ratios (i.e., peak and impulse) as well as the stance time ratio of the fore- and the hind-limbs. Because morphological and kinematic characteristics influence weight support patterns, changes in body shape (i.e., trunk shape), and average limb position were determined. As in adult dogs, the forelimbs carried a greater proportion of the body weight than the hindlimbs at all ages. When the dogs were younger, peak vertical force occurred earlier during stance in the hindlimbs but not the forelimbs. Both the increasing ratio of the vertical force and the increasing ratio of the stance times indicate an increasing weight support by the forelimbs (i.e., 59% at PW9 vs. 63% at PW51). The observed ontogenetic changes in trunk shape and average limb angle were consistent with this cranial shift in weight support.

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Compensatory load redistribution in walking and trotting dogs with hind limb lameness

Cited by 51 publications

References 40 publications

In Vivo Gait Analysis During Bone Transport

In Vivo Gait Analysis During Bone Transport

Veterinary Orthotics and Prosthetics

Ontogenetic change of the weight support pattern in growing dogs

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