Клініко-Біомеханічне Обґрунтування І Побудова Моделі Роботи М’язів,  Що Забезпечують Горизонтальну Рівновагу Таза

Tyazhelov, Olexiy; Karpinsky, Mykhaylo; Karpinska, Olena; Goncharova, L.D.; Klimovitsky, R.V.; Fishchenko, V.O.

doi:10.22141/1608-1706.5.18.2017.114115

TRAUMA

2022

DOI: 10.22141/1608-1706.5.18.2017.114115

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Клініко-Біомеханічне Обґрунтування І Побудова Моделі Роботи М’язів, Що Забезпечують Горизонтальну Рівновагу Таза

Olexiy Tyazhelov¹,

Mykhaylo Karpinsky²,

Olena Karpinska³

et al.

Abstract: Актуальність. Тривало існуючий патологічний процес в тазостегновому суглобі призводить до порушення його нормальної біомеханіки. При цьому страждають м’язи тазового пояса. Ендопротез кульшового суглоба, відновлюючи опор-ність і рух в оперованому суглобі, не відновлює роботу м’язів, у зв’язку з чим порушення опорно-кінематичної функції тазо- стегнового суглоба зберігається тривалий час. З огляду на складність вивчення функції м’язів метою даного дослідження є створення універсальної математичної моделі роботи м… Show more

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Cited by 4 publications

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Study of changes in the balance of the pelvic girdle muscles in patients with dysplastic coxarthrosis after arthroplasty

Karpinskaya,

Karpinsky,

Tyazhelov

et al. 2023

TRAUMA

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Background. Dysplastic coxarthrosis is a special medical and social problem in the treatment of adult patients, often leading to disability, limiting the human’s ability to self-care. Arthroplasty for dysplastic coxarthrosis is only a certain stage in the restoration of the patient’s musculoskeletal function. Considering the large number of unsatisfactory results of arthroplasty in dysplastic coxarthrosis, a very important factor is the construction of a rehabilitation prognosis — the estimated probability of achieving the intended goals of rehabilitation or realization of rehabilitation potential, taking into account disease features and the patient’s capabilities. Objective: to determine the significant parameters of the dysplastic hip joint whose change affects the deficit of lower limb muscle strength after arthroplasty and the prospects for rehabilitation potential. Materials and methods. An X-ray examination of 23 dysplastic hip joints was performed. The following radiometric parameters were measured: acetabular depth; floor thickness; acetabular depth index; abductor moment arm; gravity moment arm; height and lateralization of the center of rotation of the femoral head relative to the center of the acetabulum rotation. To objectify the balance of muscle forces required to maintain pelvic balance when standing on one leg, a mathematical model was used created by the authors, which reflects the pelvis with the femur and the action vectors of the muscles of two groups: abductors and adductors of the hip. Results. Using the model of horizontal balance of the pelvis, the level of muscle strength deficit was calculated in patients before and after arthroplasty. It was found that in some of them the muscle strength deficit remained. With a linear regression model, an equation was created to determine the muscle strength deficit. According to the statistical analysis, no difference was found between the results of the regression equation and the mathematical model (p >> 0.05). The regression analysis has shown that the most significant factors for the result are the neck shaft angle, floor thickness, and head height. To determine the limits of radiometric parameters that affect the outcome of arthroplasty, patients were divided into 4 groups according to the level of calculated muscle strength deficit: group I — deficit of more than 20 %, group II — deficit of less than 20 %, group III — surplus of 20 % and group IV — surplus of more than 20 %. In general, patients improve their muscle strength, but the initial deficit greatly affects the outcome after arthroplasty. For patients in group I, pre- and postoperative rehabilitation is necessary to achieve a positive result. In group II, the main direction of rehabilitation is to increase muscle strength. For patients of groups III and IV, general rehabilitation measures can be used. Conclusions. The most important parameter that affects muscle strength after arthroplasty is the patient’s muscle strength before surgery and weight. Another important indicator is the thickness of the acetabular floor. Weight loss is the main criterion for successful treatment of patients after any arthroplasty.

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Study of changes in the balance of the pelvic girdle muscles in patients with dysplastic coxarthrosis after arthroplasty

Karpinskaya,

Karpinsky,

Tyazhelov

et al. 2023

TRAUMA

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Study of Anthropomentric and Morphometric Parameters in the Training of Athletes

Karatieieva¹,

Слободян²,

Moseychuk³

et al. 2021

Ukr. ž. med. bìol. sportu

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The purpose of the work was to study the patterns of development and formation of the structure of the skeletal, muscular, circulatory system under the influence of various physical activities in the dynamics, followed by the definition of correlations of the value of anthropometric and morphometric parameters in the training of athletes. Studying of the literature data, we can conclude that modern professional sports requires loads close to maximum, and sometimes even exceeding them, the establishment of these maximum permissible loads and the study of the patterns of their development is a very urgent task. The main problem in training athletes is adequate selection and sports affiliation. Solving the problems of selection involves the creation of a model of the athlete of this specialization, that is a certain set of characteristics that determine athletic performance. This requires anthropometric assessment, morphometric and biometric data to track physical and physiological parameters, information to assess performance and recovery in sports, modification of training regimes to prevent injuries, provide guidance on regulating the use of technologies used in professional sports, as well as to research and make recommendations for the proper collection, storage and exchange of health information. One of important problems of modern morphology is the study of changes that occur in the body under the influence of various factors. This problem has become especially important in connection with the development of sports. High sports performance, associated with a significant load on the athlete's body, encourages scientists, doctors, coaches to search for physiological reserves of the body and search for optimal training regimes. From this point of view, the study of changes that occur in individual organs, systems and in the body as a whole, under the influence of physical activity of varying intensity and nature is relevant and of great practical importance. Conclusion. Modern professional sports require loads that are close to the maximum, and sometimes are such or exceed them. It is the establishment of these maximum allowable loads and study the patterns of their development which is a very promising area. This will allow timely selection of athletes for a particular sport, to carry out preventive and curative measures to improve their structural and functional condition

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Features of the Abduction Mechanism Work Before and After Total Hip Joint Arthroplasty

Tyazhelov

Karpinska

Goncharova

et al. 2020

WOMAB

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Клініко-Біомеханічне Обґрунтування І Побудова Моделі Роботи М’язів, Що Забезпечують Горизонтальну Рівновагу Таза

Cited by 4 publications

References 0 publications

Study of changes in the balance of the pelvic girdle muscles in patients with dysplastic coxarthrosis after arthroplasty

Study of changes in the balance of the pelvic girdle muscles in patients with dysplastic coxarthrosis after arthroplasty

Study of Anthropomentric and Morphometric Parameters in the Training of Athletes

Features of the Abduction Mechanism Work Before and After Total Hip Joint Arthroplasty

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