Evaluation of Ground Reaction Forces and Limb Symmetry Indices Using Ground Reaction Forces Collected with One or Two Plates in Dogs Exhibiting a Stifle Lameness,Veterinary and Comparative Orthopaedics and Traumatology

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Evaluation of Ground Reaction Forces and Limb Symmetry Indices Using Ground Reaction Forces Collected with One or Two Plates in Dogs Exhibiting a Stifle Lameness
Veterinary and Comparative Orthopaedics and Traumatology ( IF 1.0 ) Pub Date : 2020-10-01 , DOI: 10.1055/s-0040-1715494
Elizabeth M. Pettit ₁ , Gabriella S. Sandberg ₁ , Nicola J. Volstad ₁ , Megan M. Norton ₁ , Steven C. Budsberg ₁

Affiliation

Abstract

Objective The aim of the study was to evaluate the efficiency and consistency in the collection of ground reaction forces using one or two force plates from dogs with stifle lameness.

Animals Twenty-two client-owned dogs with unilateral stifle lameness were used.

Methods In a prospective study design, data were collected at a single time point using both one- and two-plate collection methods. Ground reaction forces collected included peak vertical force, vertical impulse and associated symmetry indices. Additionally, time required to obtain valid trials and the total number of trials were also recorded for both one-plate and two-plate collections. Linear mixed models were used to analyse differences in peak vertical force, vertical impulse and symmetry indices between the collection methods. A paired-T test was used to compare trial number and time of trial collection. The significance threshold was p < 0.05.

Results It took significantly longer to collect valid trials using one-plate both in time (16.1 ± 8.0 minutes vs, 8.0 ± 4.3 minutes with two plates) and number of trials (33.8 ± 14.8 trials vs. 16.4 ± 8.8 trials with two plates) (p < 0.0001). There was no difference in peak vertical force or vertical impulse data between collection methods. Neither the peak vertical force symmetry indices nor the vertical impulse symmetry indices were significantly different between one- and two-plate collection techniques.

Conclusions The total time and number of trials needed to collect valid trials in dogs with stifle lameness were minimized through the use of two force plates. However, there was no significant difference in the ground reaction force or symmetry index values collected between the two systems.

Authors' Contributions

E. Pettit, G. Sandberg and S. Budsberg contributed to the study conception, study design, data acquisition and analysis and interpretation. M. Norton and N. Volsatd contributed to data acquisition and data analysis. All authors drafted, revised and approved of the submitted manuscript.

Publication History

Received: 20 April 2020

Accepted: 30 June 2020

Publication Date:
01 October 2020 (online)

Georg Thieme Verlag KG
Stuttgart · New York

中文翻译：

利用一块或两块板收集的表现出窒息La行的狗的地面反作用力评估地面反作用力和肢体对称性指标

摘要

目的本研究的目的是评估使用一只或两只force行st行狗的测力板收集地面反作用力的效率和一致性。

动物使用了22只具有单侧窒息la行的客户拥有的狗。

方法在前瞻性研究设计中，使用单板和两板收集方法在单个时间点收集数据。收集的地面反作用力包括峰值垂直力，垂直脉冲和相关的对称指数。另外，还记录了一次收集和两次收集的有效试验所需的时间和试验的总数。使用线性混合模型来分析收集方法之间的峰值垂直力，垂直脉冲和对称指数的差异。配对T检验用于比较试验次数和试验收集时间。显着性阈值为p <0.05。

结果在一个时间板上（16.1±8.0分钟，两个板分别为8.0±4.3分钟）和试验数量（33.8±14.8个试验与两个板分别为16.4±8.8个试验）收集有效试验所需的时间明显更长。（p <0.0001）。收集方法之间的峰值垂直力或垂直脉冲数据没有差异。一板和两板收集技术之间的峰值垂直力对称指数和垂直脉冲对称指数均无显着差异。

结论通过使用两个测力板可以使窒息la行的狗收集有效试验所需的总时间和试验次数最少。但是，两个系统之间收集的地面反作用力或对称指数值没有显着差异。