Electromyographic analysis of the gait cycle phases of boxer dogs

Araújo, Jael Flávia de Paiva; Rodrigues, Fábio Barbosa; Abadia, F.G.; Gervásio, Flávia Martins; Mendonça, Giselle Bonifácio Neves; Damasceno, Adilson Donizeti; Vieira, Marcus Fraga

doi:10.1590/1678-4162-8770

Cited by 7 publications

(8 citation statements)

References 9 publications

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“…These results were in concordance with those previously reported for walking cats [5] and dogs [2]. In quadrupedal mammals, the stance phase duration of the hind limbs has been commonly associated with propulsive force generation [24,25,27]. An increase in stance phase duration obtained in the present study in uphill movements might be consistent with the need to increase time for propulsion.…”

Section: Discussionsupporting

confidence: 93%

“…To a sampling frequency of 1500 Hz, a low pass Butterworth filter, with a cut-off frequency of 50 Hz was chosen to reduce the high-frequency noises while retaining the true information of the EMG signal. The sEMG has proven to be a valid method to give useful and valuable information of locomotion in equines [10,25,26] and dogs [16,19,24,27,28]. Determining the timing of excitation and magnitude of muscle activation can provide an accurate picture of the function of muscles during movement [27].…”

Section: Discussionmentioning

confidence: 99%

“…GM muscle is anatomically positioned to produce limb retraction [ 11 ], acting primarily on the hip joint by means of inserting on the greater trochanter of the femur [ 3 , 13 ]. Gluteus medius, together with the hamstring muscles, actively stabilize the hip joint at the end of the swing phase and in the early stance of the ipsilateral hindlimb cycle [ 11 , 13 ]; afterward, during the following period of stance, the hip joint is extended to generate propulsive forces to pull the trunk forward [ 6 , 9 , 13 , 25 , 27 ].…”

Section: Discussionmentioning

confidence: 99%

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Surface Electromyography of the Longissimus and Gluteus Medius Muscles in Greyhounds Walking and Trotting on Ground Flat, Up, and Downhill

Miró

Galisteo

Garrido-Castro

et al. 2020

Animals

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In the field of canine rehabilitation, knowledge of muscle function in the therapeutic exercises prescribed is needed by physical therapists and veterinary surgeons. To gain insight into the function of longissimus dorsi (LD) and gluteus medius (GM) muscles in dogs, five Greyhounds performing leash walking and trotting on the ground flat, up (+7%), and downhill (−7%) were studied by surface electromyography, and the mean and maximum activity was compared. For the same incline, the surface electromyography (sEMG) of LD was higher (p < 0.05) at the trot than at the walk. In LD muscle, trotting uphill showed significantly higher maximum activity than any other exercise. A change of +7% incline or −7% decline affected (increased or decreased, respectively) the mean sEMG of the LD and GM muscles of dogs walking or trotting on the ground. When combined, the influence of gait and incline on electromyographic activity was analyzed, and walking at certain inclines showed no difference with trotting at certain inclines. Walking and trotting up and downhill added separate therapeutic value to flat motion. The results of the present study might contribute to a better understanding of the function of LD and GM muscles in dogs, this being especially useful for the field of canine rehabilitation.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Surface Electromyography of the Longissimus and Gluteus Medius Muscles in Greyhounds Walking and Trotting on Ground Flat, Up, and Downhill

Miró

Galisteo

Garrido-Castro

et al. 2020

Animals

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“…biceps brachii is involved in the extension of the shoulder in addition to its stabilizing function. In 2016, Araújo, et al [ 23 ] evaluated the contributions of the thoracic limb muscles of boxer dogs and concluded that the m . biceps brachii , the m .…”

Section: Study Methodologymentioning

confidence: 99%

Personalized endoprostheses for the proximal humerus and scapulohumeral joint in dogs: Biomechanical study of the muscles’ contributions during locomotion

et al. 2022

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Osteosarcoma represents one of the most common bone tumours in dogs. It commonly occurs in the proximal humerus, the most affected anatomic site. Until recently, amputation or limb-sparing surgery leading to an arthrodesis coupled with chemotherapy were the only available treatments, but they often lead to complications, reduced mobility and highly impact dog’s quality of life. Prototypes of both articulated and monobloc (no mobility) patient-specific endoprostheses have been designed to spare the limb afflicted with osteosarcoma of the proximal humerus. This study focuses on the biomechanical effects of endoprostheses and shoulder muscle kinematics. For each of the endoprosthesis designs, a minimal number of muscles needed to ensure stability and a certain degree of joint movement during walking is sought. A quasi-static study based on an optimization method, the minimization of the sum of maximal muscle stresses, was carried out to assess the contribution of each muscle to the shoulder function. The identification of the most important muscles and their impact on the kinematics of the prosthetic joint lead to an improvement of the endoprosthesis design relevance and implantation feasibility.

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“…For the diagnosis of neuromuscular diseases, electromyography may also be used in addition to walking analysis methods. With this method, assessments may be performed by combining the activities and kinetic and kinematic data of muscles during motion [11,12]. Walking plates, another example of walking analysis systems, are used with animals and plantar force values are obtained.…”

mentioning

confidence: 99%

Evaluation of gait character of Akbaş and Kangal shepherd dogs by using pressure-sensitive walkway

Gündemir¹,

Alpak²,

Erdikmen³

et al. 2020

Turk J Vet Anim Sci

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Introduction Kangal and Akbaş shepherd dogs have been registered as breeds by the Turkish Standards Institution. Both breeds are used as shepherd dogs [1]. These two breeds are included in the class of strongly built dogs among dog breeds worldwide. However,, previous studies have reported that there are differences between these two breeds in terms of both growth characteristics and body characteristics. It has been reported that the Kangal shepherd dog is a more strongly built dog compared to Akbaş shepherd dogs [2]. Motion is defined as the change of location by an object. Motion analysis systems are used in assessing a motion numerically. Walking analysis is one of these systems. By means of the numerical results provided by walking analysis, the anomalies in walking or the disruptions that may not be noticed by veterinary physician are detected [3,4]. One of the most preferred applications of walking analysis is the video recording method. Assessments are made through images in the computer environment and information is obtained about the morphometry of walking. This method is used in the walking analysis of animals [5]. Also, markers are placed on the motion points of animals and data such as their step rate, distance, and number may be obtained [6]. Although this method is practical and cheap, the data obtained are limited and therefore this method is used as an auxiliary for other walking methods. In kinematic analyses, numerical data such as body movements, joint angles, and rates may be obtained. In this method, special cameras and computer systems are also used [7,8]. Also, by special devices placed on plantar, parameters such as the force values applied to the ground and step times may be obtained [9,10]. For the diagnosis of neuromuscular diseases, electromyography may also be used in addition to walking analysis methods. With this method, assessments may be performed by combining the activities and kinetic and kinematic data of muscles during motion [11,12]. Walking plates, another example of walking analysis systems, are used with animals and plantar force values are obtained. Force platform and pressure-sensitive systems may be given as examples of these walking systems. Pressure-sensitive systems can measure the pressure

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Electromyographic analysis of the gait cycle phases of boxer dogs

Cited by 7 publications

References 9 publications

Surface Electromyography of the Longissimus and Gluteus Medius Muscles in Greyhounds Walking and Trotting on Ground Flat, Up, and Downhill

Surface Electromyography of the Longissimus and Gluteus Medius Muscles in Greyhounds Walking and Trotting on Ground Flat, Up, and Downhill

Personalized endoprostheses for the proximal humerus and scapulohumeral joint in dogs: Biomechanical study of the muscles’ contributions during locomotion

Evaluation of gait character of Akbaş and Kangal shepherd dogs by using pressure-sensitive walkway

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