Effect of Moderate Treadmill Exercise on Some Physiological Parameters in Untrained Beagle Dogs

Piccione, Giuseppe; Casella, Stefania; Panzera, Michele; Giannetto, Claudia; Fazio, Francesco

doi:10.1538/expanim.61.511

Cited by 57 publications

(52 citation statements)

References 18 publications

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“…In general, the revealed morphological changes in SAN are similar to the described in literature data on the contractile myocardial response on a single maximal exercise [25]. Our researches are confirmed by the findings of other authors suggesting that the main factors influencing the myocardial structure in exercise are hypoxia combined with lactic acidosis [21,26,27]. In addition, the obtained data shows SAN structure of the heart in dogs with different functional reserve level has its evident differences: after running to the refusal, the myocardium of a sinoauricular area in animals with high functional reserve suffers less than in those with a low functional reserve level.…”

supporting

confidence: 91%

“…According to the organization level, there can be distinguished cell, tissue, organ and systemic reserves, as well as the reserves of the whole body. Physiological studies on urgent adaptation of the heart to motor loads [1,[17][18][19][20][21][22][23] evidence high variability of adaptive responses that explains the necessity for studying SAN structural peculiarities with due account of a functional body reserve level.…”

mentioning

confidence: 99%

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Spatial Organization Types of Sinoatrial Node in Dogs with Different Body Functional Reserve Levels

Vasyagina¹,

Biryukova²

2016

Sovrem Tehnol Med

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The aim of the investigation was to reveal the spatial organization types of sinoatrial nodes in animals with different levels of body functional reserve after a single maximal exercise.Materials and Methods. The research was carried out on 24 male mongrel dogs. Treadmill run under laboratory conditions was used to model a single maximal exercise. The exercise time was individual for each animal due to its cardio-respiratory system. A body functional reserve level was determined by the running time to refusal and the heart rate (HR) during the exercise. We studied the sinoauricular area structure using light and transmission electron microscopy. Tissue organization of myocardium was analyzed using the methods of stereology.Results. According to HR dynamics, we distinguished two main types of functional response to maximal (excessive) exercise: type I, high HR during the running, and type II, low HR. The response types on exercise also differed in the running time and resting HR (p<0.05).Based on stereological test findings we described the peculiarities of spatial organization of conductive and contractile myocardium in animals with different functional responses characterized by various ratios of the main tissue components. Stereological parameters in type I animals were similar to those in intact animals of a control group. Conductive and contractile myocardium in type II animals significantly differed in a relative volume of cardiomyocytes and connective tissue components from those in controls and type I animals.Conclusion. The results of morphological studies of sinoauricular region in animals with different levels of functional body reserve compared to physiological parameters enable to predict the structural changes in the sinoatrial node area after an excess motor load.

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confidence: 91%

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confidence: 99%

Spatial Organization Types of Sinoatrial Node in Dogs with Different Body Functional Reserve Levels

Vasyagina¹,

Biryukova²

2016

Sovrem Tehnol Med

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“…In addition, pet owners are also engaging in more physical activities with their canine companions including running, swimming, biking and skijoring (http://www.akc.org/about/annual_report.cfm). In many cases, unlike racing greyhounds and sled dogs, dogs participating in these low intensity endurance activities are not well conditioned and perform activities only on weekends or sporadically due to seasonality of the activities [5].…”

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confidence: 99%

The Effects of Low Intensity Endurance Activity on Various Physiological Parameters and Exercise Induced Oxidative Stress in Dogs

Huntingford¹,

Levine²,

Mustacich³

et al. 2014

OJVM

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The study of canine athlete physiology has focused on endurance sled dog racing and high intensity short duration Greyhound racing, yet the number of dogs competing in low intensity endurance activities is rising due to the increased numbers of hunting and companion dog activities. There is little information on the physiological effect of longer duration low intensity endurance activities. We set out to evaluate the serum biochemistry, oxidative stress, and cortisol response before and after two consecutive days of exercise in ten healthy unconditioned male dogs. Exercise sessions consisted of 120 minutes on an exercise wheel at 11 km/hour on 2 consecutive days. Blood was collected at four time points: 24 hours pre-exercise (sample 1, Day 0, resting); 2 min post-exercise on days 1 and 2, (samples 2 and 3, respectively); and 20 hours post-exercise, collected on day 3(sample 4). Hematocrit, blood gases, serum chemistry, uric acid, cortisol, and F2-isoprostanes were determined. Serum biochemistry and hematocrit suggested hemoconcentration, mild muscle damage and respiratory alkalosis during exercise, which was expected in the unconditioned canine athlete. In addition, plasma indices of oxidative damage (F2-isoprostanes) increased, as did plasma uric acid (an endogenous antioxidant). Importantly, similar to human studies, plasma F2-isoprostanes decreased 24 hours after exercise suggesting a protective effect of exercise. Serum cortisol concentrations were also markedly elevated at the end of exercise on both days suggesting that timing of sampling may play a role in interpreting cortisol results when looking at previous field studies.

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“…Se ha demostrado en el perro que los cambios fisiológicos y sanguíneos inducidos por el esfuerzo, dependen de la duración e intensidad del ejercicio así como del nivel de entrenamiento previo del animal (Piccione et al, 2012). Al iniciar una actividad, la función cardiovascular aumenta para satisfacer las necesidades musculares de sustratos energéticos y favorecer la eliminación de deshechos.…”

Section: Adaptaciones Del Organismo Canino Al Entrenamiento Deportivounclassified

Optimización del Rendimiento Deportivo en Caninos

Pellegrino

Risso

Arias

et al. 2014

Rev. investig. vet. Perú

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RESUMENEl desempeño físico del perro depende de factores genéticos, de entrenamiento y nutricionales. El entrenamiento y la nutrición pueden ser modificados fácilmente. Se deben instaurar programas de ejercicio y dietas que permitan maximizar el rendimiento en una determinada actividad. Para evaluar la condición física de los perros y obtener el máximo rendimiento se necesitan parámetros objetivos como son la observación de las variaciones de la frecuencia cardíaca y la determinación de lactato sanguíneo. Esta última se ha mostrado como un método apropiado, práctico y sencillo que contribuye a cuantificar la respuesta metabólica al esfuerzo. En la actualidad el uso de cinta trotadora motorizada permite llevar a cabo rutinas de entrenamiento específicas y a pesar de que aún restan mayores estudios, su aplicación en caninos tiene un lugar prometedor para maximizar el rendimiento deportivo.Palabras clave: rendimiento deportivo, canino, entrenamiento, nutrición ABSTRACTCanine physical performance depends on genetic, training and nutritional factors. Training and nutrition can be easily modified. Exercise and diet programs must be established in order to maximize performance on a given activity. To evaluate physical condition of dogs and get maximum performance, objective

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Effect of Moderate Treadmill Exercise on Some Physiological Parameters in Untrained Beagle Dogs

Cited by 57 publications

References 18 publications

Spatial Organization Types of Sinoatrial Node in Dogs with Different Body Functional Reserve Levels

Spatial Organization Types of Sinoatrial Node in Dogs with Different Body Functional Reserve Levels

The Effects of Low Intensity Endurance Activity on Various Physiological Parameters and Exercise Induced Oxidative Stress in Dogs

Optimización del Rendimiento Deportivo en Caninos

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