Avaliação biomecânica de cães : estudo preliminar com o sistema Alogo Move ProTM
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O estudo da biomecânica canina é importante para quantificar movimentos normais e anormais, propiciando uma ferramenta na melhoria de desempenho de atletas e/ou no diagnóstico e acompanhamento de pacientes com patologias ortopédicas. O presente estudo propõe-se a explorar a viabilidade da utilização do sistema Alogo Move Pro™ em cães, nomeadamente da raça Pastor Belga de Malinois. Dez cães, sendo cinco machos e cinco fêmeas, com idade média de 3,6 ± 2,7 anos e peso médio de 24,8 ± 3,3 kg, considerados clinicamente aptos, foram avaliados num período de 1-3 dias durante os quais realizaram atividades ao passo, trote, galope e salto de obstáculos. Durante as supracitadas atividades, os animais usaram um sistema de monitoramento cardíaco conectado a um acelerómetro triaxial com unidade de medição inercial baseada em GPS (Alogo Move ProTM), sendo registadas número de passadas, duração da atividade (em minutos), distância percorrida (em m), comprimento médio da passada (em m), deslocação vertical de tronco (em cm), duração média da passada (em segundos), frequência média das passadas (cadência; número de passadas /min), strike power (em G), velocidade máxima e média (em km/h) e frequência cardíaca máxima e média (em bpm). Em relação aos saltos, fez-se ainda o registo do número de saltos, duração do salto (em milissegundos), altura máxima (em cm), comprimento do salto (em m) e ângulo do tronco no momento do take-off (o). Os dados foram submetidos a análise de variância para medidas repetidas e do teste de Tukey; os registos dos saltos foram submetidas a correlação de Pearson, com nível de significância de 5%. Os resultados apontaram diferenças significativas entre passo, trote e galope, a exceção da duração média da passada. Os maiores valores foram sempre registados durante o galope. Nos saltos, houve uma correlação forte positiva entre duração e altura dos saltos e duração e comprimento dos saltos. O sistema acusou similaridade entre o andamento identificado com aquele realmente executado de 58,2% para o passo, 37,9% para o trote e 42,9% para o galope. Foi possível concluir que o sistema mostrou limitações na deteção de padrões relevantes de locomoção. Assim, a sua indicação ainda carece de mais estudos que o validem como uma ferramenta na avaliação da biomecânica canina.
The study of canine biomechanics is important for quantifying normal and abnormal movements, providing a tool for improving the performance of athletes and/or for the diagnosis and monitoring of patients with orthopedic diseases. This study aims to explore the feasibility of using the Alogo Move Pro™ system in dogs, specifically the Belgian Malinois breed. Ten dogs, five males and five females, with an average age of 3.6 ± 2.7 years and an average weight of 24.8 ± 3.3 kg, considered clinically fit, were evaluated over a period of 1-3 days during which they performed activities at a walk, trot, gallop, and obstacle jumping. During the aforementioned activities, the animals wore a heart rate monitoring system connected to a triaxial accelerometer with a GPS-based inertial measurement unit (Alogo Move Pro™), recording the number of strides, activity duration (in minutes), distance traveled (in m), average stride length (in m), vertical trunk displacement (in cm), average stride duration (in seconds), average cadence (number of strides/min), strike power (in G), maximum and average speed (in km/h), and maximum and average heart rate (in bpm). Regarding the jumps, the number of jumps, jump duration (in milliseconds), maximum height (in cm), jump length (in m), and trunk angle at the moment of take-off (o) were also recorded. The data were subjected to analysis of variance for repeated measures and Tukey's test; the jump records were subjected to Pearson's correlation, with a significance level of 5%. The results showed significant differences between walk, trot, and canter, except for the average stride duration. The highest values were always recorded during the canter. In the jumps, there was a strong positive correlation between duration and height of the jumps and duration and length of the jumps. The system showed similarity between the identified gait and the one actually performed of 58.2% for the walk, 37.9% for the trot, and 42.9% for the canter. It was possible to conclude that the system showed limitations in detecting relevant locomotion patterns. So, its use still requires further studies to validate it as a tool in the assessment of canine biomechanics.
The study of canine biomechanics is important for quantifying normal and abnormal movements, providing a tool for improving the performance of athletes and/or for the diagnosis and monitoring of patients with orthopedic diseases. This study aims to explore the feasibility of using the Alogo Move Pro™ system in dogs, specifically the Belgian Malinois breed. Ten dogs, five males and five females, with an average age of 3.6 ± 2.7 years and an average weight of 24.8 ± 3.3 kg, considered clinically fit, were evaluated over a period of 1-3 days during which they performed activities at a walk, trot, gallop, and obstacle jumping. During the aforementioned activities, the animals wore a heart rate monitoring system connected to a triaxial accelerometer with a GPS-based inertial measurement unit (Alogo Move Pro™), recording the number of strides, activity duration (in minutes), distance traveled (in m), average stride length (in m), vertical trunk displacement (in cm), average stride duration (in seconds), average cadence (number of strides/min), strike power (in G), maximum and average speed (in km/h), and maximum and average heart rate (in bpm). Regarding the jumps, the number of jumps, jump duration (in milliseconds), maximum height (in cm), jump length (in m), and trunk angle at the moment of take-off (o) were also recorded. The data were subjected to analysis of variance for repeated measures and Tukey's test; the jump records were subjected to Pearson's correlation, with a significance level of 5%. The results showed significant differences between walk, trot, and canter, except for the average stride duration. The highest values were always recorded during the canter. In the jumps, there was a strong positive correlation between duration and height of the jumps and duration and length of the jumps. The system showed similarity between the identified gait and the one actually performed of 58.2% for the walk, 37.9% for the trot, and 42.9% for the canter. It was possible to conclude that the system showed limitations in detecting relevant locomotion patterns. So, its use still requires further studies to validate it as a tool in the assessment of canine biomechanics.