scholarly journals Srdeční frekvence sportovců s mentálním postižením během zápasů národního turnaje ve stolním tenise Českého hnutí speciálních olympiád: pilotní studie

2019 ◽  
Vol 12 (2) ◽  
pp. 26-32 ◽  
Author(s):  
Marta Gimunová ◽  
Hana Válková ◽  
Tomáš Kalina
Keyword(s):  
Heart Rate ◽  
Intellectual Disabilities ◽  
Correlation Coefficients ◽  
The Body ◽  
Table Tennis ◽  
Special Olympics ◽  
Individual Fitness ◽  
Relationship Of ◽  
Overweight Or Obesity ◽  
Mean Heart Rate

Heart rate values are considered to be a significant indicator of individual fitness, intensity of exerciseand sympathetic activation. There are few studies in Czech literature focused on the heart rate in athleteswith intellectual disabilities. The aim of this study was to describe the characteristics of heart rateduring fifteen table tennis matches within the 23rd national tournament of the Czech Special OlympicsMovement. Ten participants (6 males, 4 females) who for at least 3 years train regularly and participatein table tennis competitions under the Special Olympics rules, were observed. Their heart rate wasmeasured using a sports tester Forerunner® 15, Garmin Ltd, which was fastened on the participant’schest during their game day. Heart rate values during the matches were statistically processed alongwith the matches’ duration and the resulting match scores. Correlation coefficients obtained from scatterplots show a statistically significant relationship of mean heart rate values during the match withthe resulting score, probably influenced by emotion and psychological stress associated with the matchloss. The effect of match duration on the heart rate was not statistically significant during observedmatches. Subsequent analysis of the body composition of the athletes showed that sixty percent ofthem were in the category of overweight or obesity. These results highlight the need to promote healthylifestyle and physical activity in the population with intellectual disabilities.

Influence of water temperature on heart rate and rectal temperature of swimming rats

1964 ◽  
Vol 207 (5) ◽  
pp. 1073-1076 ◽  
Author(s):  
Mary Ann Baker ◽  
Steven M. Horvath
Keyword(s):  
Heart Rate ◽  
Body Temperature ◽  
Rectal Temperature ◽  
Cold Water ◽  
Submaximal Exercise ◽  
The Body ◽  
Small Animals ◽  
Influence Of Water ◽  
Relationship Of ◽  
The Relationship

The heart rate and rectal temperature of 12 adult male hooded rats were studied during 10-min swims in water of 37, 20, and 42 C. Both the heart rate and the rectal temperature stabilized in water of 37 C, suggesting that swimming in thermoneutral water is a submaximal exercise for rats. In water of 20 C, rectal temperature and heart rate of swimming animals fell exponentially to 28 C and 251 beats/min, respectively. The relationship of heart rate to rectal temperature in these swimming, cooling animals was not different from that reported in the literature for unanesthetized, inactive, hypothermic rats. It appeared that exercise had no effect on the heart rate of rats when the body temperature was dropping. In water of 42 C the rectal temperature rose exponentially to 42.2 C. The heart rate rose to 521 beats/min at the 8th min of swimming and remained stable thereafter. It is suggested that inadequate cardiac output resulting from severe changes in body temperature may be one factor which limits swimming capacity of small animals in hot and cold water.

scholarly journals PLATELET HEMOSTASIS AND ITS RELATIONSHIP WITH CORTISOL AND PROGESTERONE IN COWS DURING PREGNANCY

2021 ◽  
Vol 246 (2) ◽  
pp. 60-66
Author(s):  
M.A. Derkho ◽  
◽  
A.N. Sled ◽  
A.O. Derho ◽  
◽  
...  
Keyword(s):  
Laboratory Tests ◽  
Volume Fraction ◽  
Biological Effects ◽  
Correlation Coefficients ◽  
The Body ◽  
Platelet Volume ◽  
Black And White ◽  
White Breed ◽  
Relationship Of ◽  
The Relationship

The assessment of the state of platelet hemostasis in the body of cows of Auliekol and black-and-white breeds in the last trimester of pregnancy and the relationship of its indicators with the level of cortisol and progesterone is given. Laboratory tests were performed 60 and 1-3 days before the expected date of delivery. It was found that the breed of cows affected the level of platelet parameters. At the same time, their value in the blood of cows of the Auliekol breed exceeds the level of animals of the black - and - white breed by 3.15-31.89 %. The dynamics of changes in platelet parameters during the preparation of the mother's body for childbirth is of the same type and is characterized by a decrease in the total number of platelets by 11.74 and 24.14% and their volume fraction in the blood (thrombocrit) by 6.45 and 12.00 %, respectively. At the same time, the average platelet volume, the number of megalothrombocytes and the breadth of their distribution by volume increases by 6.83; 16.37 and 14.94 % (in the Auliekol breed) and 15.49; 16.01 and 17.19 % (in the black-and-white breed). These changes are associated with the level of the hormones cortisol and progesterone, the biological effects of which involve the regulation of platelet aggregation by controlling the level of young cells (megalothrombocytes) in the blood of cows. This is evidenced by statistically significant values of correlation coefficients in pairs of signs: cortisol-P-LGR r=0.72±0.24-0.88±0.17; progesterone-P – LGR r=-0.72±0.24 – -0.83±0.20.

Relationship of Rated Perceived Exertion to Heart Rate and Workload in Mentally Retarded Young Adults

1992 ◽  
Vol 9 (1) ◽  
pp. 47-53 ◽  
Author(s):  
Robert Arnhold ◽  
Nelson Ng ◽  
Gary Pechar
Keyword(s):  
Heart Rate ◽  
Young Adults ◽  
Perceived Exertion ◽  
Correlation Coefficients ◽  
Predictive Ability ◽  
Mentally Retarded ◽  
Control Group ◽  
Treadmill Test ◽  
Borg Scale ◽  
Relationship Of

This study was conducted to determine the predictive ability of rated perceived exertion (RPE) of mentally retarded (MR) young adults with respect to heart rate (HR) and workload (WL). Subjects were a group of 10 mentally retarded adults (M age = 21.20 yrs, M IQ = 50.5) and a control group of 10 nonretarded adults (M age = 21.18 yrs). The procedure involved the performance of a continuous multistage treadmill test using a modified Balke protocol. Rated perceived exertion and heart rate were recorded after each minute. Correlation coefficients for both RPE/HR and RPE/WL were significant for both groups. Tests for differences in RPE/HR and RPE/WL correlation coefficients between the two groups indicated significance for RPE/HR but none for RPE/WL. Regression analysis revealed that variation in RPE could be explained by variations in HR and WL. The association between rated perceived exertion and heart rate and rated perceived exertion and workload suggests the use of the Borg scale with mentally retarded individuals.

Heat Stress and Cardiac Strain in French Vineyard Workers

2020 ◽  
Author(s):  
Sonia Grimbuhler ◽  
Jean-François Viel
Keyword(s):  
Heart Rate ◽  
Individual Characteristics ◽  
The Body ◽  
Contextual Effect ◽  
Work Intensity ◽  
Cardiac Strain ◽  
The Mean ◽  
Cardiac Cost ◽  
Mean Heart Rate ◽  
Canopy Management

Abstract Agricultural workers often produce considerable excess heat due to the physically demanding nature of their activities, increasing their risk of thermal stress in even moderately warm conditions. Few studies have examined the physiological responses to heat load in agriculture. We aimed to assess the heat strain experienced by vineyard workers during canopy management in dry field conditions, and to disentangle the effects of the heat produced by the body and the thermal environment. Thirty workers from five Bordeaux vineyards of southern France were monitored during vine-lifting and trellising (June 2012). The mean heart rate, net cardiac cost, relative cardiac cost, and cardiac workload score were assessed during field activity. As the workers were nested within vineyards, multilevel linear regression models were used for correct inference. Skin temperature increased by an average of 1.0°C. Cardiac indices showed marked differences between individuals. The workload was evaluated as ‘heavy’ or ‘very heavy’ for more than one-third of the workers, of whom one experienced heat exhaustion. Above some individual characteristics, we highlighted a contextual effect (air temperature) for the mean heart rate (P = 0.03), the relative cardiac cost (P = 0.01) and, to a lesser extent, a cardiac workload score (P = 0.07). Canopy management by hand in vineyards causes considerable cardiac and thermoregulatory strain. Appropriate instruments should be developed to simultaneously evaluate work intensity, work quality, and productivity at the vineyard level to raise the awareness of both managers and employees about taking preventive measures.

Heat reactions of Caucasians and Bantu in South Africa

1964 ◽  
Vol 19 (4) ◽  
pp. 598-606 ◽  
Author(s):  
C. H. Wyndham ◽  
N. B. Strydom ◽  
J. F. Morrison ◽  
C. G. Williams ◽  
G. A. G. Bredell ◽  
...  
Keyword(s):  
South Africa ◽  
Heart Rate ◽  
Body Temperature ◽  
Sweat Rate ◽  
Work Rate ◽  
The Body ◽  
The Mean ◽  
Physiological Reactions ◽  
Inherent Advantage ◽  
Mean Heart Rate

Heat reactions of 20 Caucasian and 22 Bantu males were compared, first in the unacclimatized state and then in the acclimatized state. The study was conducted at temperatures of 90 F wet-bulb and 93 F dry-bulb at a work rate of 1 liter O2/min consumption. The performances of the unacclimatized Bantu were superior to those of the Caucasians. All 22 Bantu completed the 4-hr experiment, while 10 Caucasians failed. The mean rectal temperature of the Bantu was significantly lower than that of the Caucasians, but not the mean heart rate and mean sweat rate. When both groups were highly acclimatized all men from both groups completed the 4-hr experiment, and their reactions to heat were significantly different from their reactions in the unacclimatized state. Sweat rates, particularly, increased very much. The differences between the two highly acclimatized groups in rectal temperatures, heart rates, and sweat rates (except the 4th hr) were not significant. Although superior in the unacclimatized state, the Bantu does not appear to have an inherent advantage in the ability to regulate the body temperature. Caucasians versus Bantu in reactions to heat; physiological reactions in exposure to heat Submitted on August 19, 1963

The influence of osteopathic correction on the rate of various rhythms of the body

2019 ◽  
pp. 64-71 ◽  
Author(s):  
A. E. Chernikova ◽  
Yu. P. Potekhina
Keyword(s):  
Heart Rate ◽  
Respiratory Rate ◽  
Age Groups ◽  
Biomechanical Properties ◽  
Dispersion Analysis ◽  
The Body ◽  
Body Tissues ◽  
Age Related ◽  
Significant Difference ◽  
Before And After

Introduction. An osteopathic examination determines the rate, the amplitude and the strength of the main rhythms (cardiac, respiratory and cranial). However, there are relatively few studies in the available literature dedicated to the influence of osteopathic correction (OC) on the characteristics of these rhythms.Goal of research — to study the influence of OC on the rate characteristics of various rhythms of the human body.Materials and methods. 88 adult osteopathic patients aged from 18 to 81 years were examined, among them 30 men and 58 women. All patients received general osteopathic examination. The rate of the cranial rhythm (RCR), respiratory rate (RR) heart rate (HR), the mobility of the nervous processes (MNP) and the connective tissue mobility (CTM) were assessed before and after the OC session.Results. Since age varied greatly in the examined group, a correlation analysis of age-related changes of the assessed rhythms was carried out. Only the CTM correlated with age (r=–0,28; p<0,05) in a statistically significant way. The rank dispersion analysis of Kruskal–Wallis also showed statistically significant difference in this indicator in different age groups (p=0,043). With the increase of years, the CTM decreases gradually. After the OC, the CTM, increased in a statistically significant way (p<0,0001). The RCR varied from 5 to 12 cycles/min in the examined group, which corresponded to the norm. After the OC, the RCR has increased in a statistically significant way (p<0,0001), the MNP has also increased (p<0,0001). The initial heart rate in the subjects varied from 56 to 94 beats/min, and in 15 % it exceeded the norm. After the OC the heart rate corresponded to the norm in all patients. The heart rate and the respiratory rate significantly decreased after the OC (р<0,0001).Conclusion. The described biorhythm changes after the OC session may be indicative of the improvement of the nervous regulation, of the normalization of the autonomic balance, of the improvement of the biomechanical properties of body tissues and of the increase of their mobility. The assessed parameters can be measured quickly without any additional equipment and can be used in order to study the results of the OC.

FUNCTIONAL STATUS AND ADAPTIVE POTENTIAL IN FOREIGN STUDENTS WITH DIFFERENT TYPES OF VEGETATIVE REGULATION DURING TUITION

2020 ◽  
pp. 118-126
Author(s):  
A.M. Satarkulova
Keyword(s):  
Heart Rate ◽  
Foreign Students ◽  
Autonomic Regulation ◽  
The Body ◽  
Functional Changes ◽  
Different Types ◽  
Type 3 ◽  
Adaptive Abilities

The assessment and dynamic control over students’ status is a very important task. It allows timely detection of prenosological status prior to pathology and health maintenance in students. The objective of the paper is to assess the adaptive abilities of the body, to analyze changes in heart rate variability indicators in students with various types of autonomic regulation, to identify prenosological status and precursory pathological symptoms. Materials and Methods. The study enrolled 302 students from India, aged 21.54±1.43. Programming complex «Psychophysiologist» was used to register the main HRV parameters within 5 minutes. Health status was evaluated according to the index of functional changes and the scale of functional states. Results. N.I. Shlyk (2009) distinguished two groups of students with different types of autonomic regulation: type 1 (53 %) with moderate and type 2 (5 %) with marked characteristics of central regulation profile, type 3 (35 %) with moderate and type 4 (7 %) with marked characteristics of autonomous regulation profile. Main parameters of HRV and adaptation potential were defined for each student.All the parameters characterized functional and health status. Conclusions. It was shown that 82 % of trial subjects (type 1), 53 % (type 2), 94 % (type 3) and 95 % (type 4) demonstrated satisfactory adaptation and their physiological processes were at an optimal level. 18 % of students (type 1) demonstrated reduced adaptive abilities of the body. Moreover, they were under moderate stress. 47 % of subjects (type 2) were also under a significant stress, which was proven by excessively high SI, low SDNN and TP, and an increased index of functional changes. 5 % of students (type 4) revealed dysfunctional characteristics in the heart rhythm, peculiar to pathology. Keywords: foreign students, heart rate variability, types of autonomic regulation, adaptation potential, functional status. Оценка состояния студентов и динамический контроль за ним является важной задачей, поскольку позволяет своевременно выявлять у студентов донозологические состояния, предшествующие патологии, и способствовать сохранению здоровья. Цель. Оценка адаптивных возможностей организма, анализ изменений показателей вариабельности сердечного ритма у студентов с различными типами вегетативной регуляции, выявление донозологических состояний и ранних признаков патологии. Материалы и методы. В исследовании участвовало 302 студента в возрасте 21,54+1,43 года из Индии. Регистрировались основные параметры ВСР в течение 5 мин с использованием программно-аппаратного комплекса «Психофизиолог». Состояние и уровень здоровья оценивались по индексу функциональных изменений и шкале функциональных состояний. Результаты. По способу, предложенному Н.И. Шлык, выделены группы студентов с различными типами вегетативной регуляции: I (53 %) и II типы (5 %) – с умеренным и выраженным преобладанием центрального контура регуляции соответственно, III (35 %) и IV типы (7 %) – с умеренным и выраженным преобладанием автономного контура регуляции соответственно. У каждого из студентов определены основные параметры ВСР и адаптационного потенциала, характеризующие функциональное состояние и уровень здоровья. Выводы. Показано, что для 82 % обследуемых с I типом, 53 % со II типом, 94 % c III типом и 95 % с IV типом регуляции характерно состояние удовлетворительной адаптации, физиологические процессы сохраняются на оптимальном уровне. В группе студентов I типа у 18 % студентов адаптивные возможности организма снижены, выявлено состояние умеренного напряжения. У 47 % обследуемых II типа также зафиксировано состояние резко выраженного напряжения, индикатором которого является чрезмерно высокое значение SI, низкие величины SDNN и ТP, повышенное значение индекса функциональных изменений. В группе студентов с IV типом у 5 % учащихсяв регуляции ритма сердца выявлены дисфункциональные признаки, характерные для патологии. Ключевые слова: иностранные студенты, вариабельность сердечного ритма, типы вегетативной регуляции, адаптационный потенциал, функциональное состояние.

DEVELOPMENT OF A DEVICE FOR CONTROL OF THE STATE OF THE ORGANISM BASED ON PHOTOPLETISMOGRAPHY USING TECHNOLOGIES OF DIGITAL ADAPTIVE FILTRATION

2020 ◽  
pp. 100-107
Author(s):  
Алексей Дмитриевич Акишин ◽  
Иван Павлович Семчук ◽  
Александр Петрович Николаев
Keyword(s):  
Heart Rate ◽  
Cardiovascular System ◽  
Adaptive Filtering ◽  
Least Squares Method ◽  
Optimal Algorithm ◽  
Heart Diseases ◽  
Cardiac Activity ◽  
Motion Artifacts ◽  
The Body ◽  
Advantages And Disadvantages

Постоянно растущий интерес к разработке новых неинвазивных и безманжетных методов измерения параметров сердечной деятельности, использование которых давало бы возможность непрерывного и удаленного контроля сердечно-сосудистой системы, обуславливает актуальность данной работы. В многочисленных публикациях продолжаются обсуждения преимуществ и недостатков различных методов ранней диагностики сердечно-сосудистых заболеваний. Однако артефакты движения являются сильной помехой, мешающей точной оценке показателей функционирования сердечно-сосудистой системы. Одним из перспективных методов контроля является метод оценки физиологических параметров с использованием фотоплетизмографии. Данная статья посвящена разработке устройства для фотоплетизмографических исследований и алгоритмических методов обработки регистрируемых сигналов для обеспечения мониторинга сердечного ритма с заданной точностью. В работе используются технологии цифровой адаптивной фильтрации полученных сигналов для мониторинга сердечного ритма в условиях внешних механических и электрических помеховых воздействий, ухудшающих точностные характеристики системы, а также разработана архитектура системы и изготовлен макет устройства, который позволил провести измерения для определения оптимального алгоритма цифровой обработки сигналов. При использовании устройства применялись методы адаптивной фильтрации на основе фильтров Винера, фильтров на основе метода наименьших квадратов и Калмановской фильтрации. Разработанное устройство для фотоплетизмографических исследований обеспечило возможность мониторинга сердечного ритма с заданной точностью, контроля текущего состояния организма и может быть использовано в качестве средства диагностики заболеваний сердца The constantly growing interest in the development of new non-invasive and cuff-free methods for measuring the parameters of cardiac activity, the use of which would give the possibility of continuous and remote monitoring of the cardiovascular system, determines the relevance of this work. Numerous publications continue to discuss the advantages and disadvantages of various methods of early diagnosis of cardiovascular disease. However, motion artifacts are a strong hindrance to the accurate assessment of the performance of the cardiovascular system. One of the promising control methods is the method for assessing physiological parameters using photoplethysmography. This article is devoted to the development of a device for photoplethysmographic studies and algorithmic methods for processing recorded signals to ensure monitoring of the heart rate with a given accuracy. The work uses technologies of digital adaptive filtering of the received signals to monitor the heart rate in conditions of external mechanical and electrical interference, which worsen the accuracy characteristics of the system, as well as the architecture of the system and a prototype of the device, which made it possible to carry out measurements to determine the optimal algorithm for digital signal processing. When using the device, the methods of adaptive filtering based on Wiener filters, filters based on the least squares method and Kalman filtering were used. The developed device for photoplethysmographic studies provided the ability to monitor the heart rate with a given accuracy, control the current state of the body and can be used as a means of diagnosing heart diseases

THE RELATIONSHIP OF MASS OF THE BODY, FISHERY LENGTH AND THE FISH – PRODUCTIVITY OF ONE-YEARS OF PIKEPERCH BY THE BREEDING THEM IN PONDS FOR CARPS

2017 ◽  
Vol 59 (2) ◽  
pp. 014-021
Author(s):  
Saya K. Koyshibaeva ◽  
◽  
Shokhan A. Alpeyisov ◽  
Evgeniy V. Fedorov ◽  
Nina S. Badryzlova ◽  
...  
Keyword(s):  
The Body ◽  
Relationship Of ◽  
The Relationship ◽  
Fish Productivity

Epilogue

2017 ◽  
Author(s):  
Joshua S. Walden
Keyword(s):  
The Body ◽  
The Self ◽  
The Individual ◽  
Relationship Of ◽  
The Relationship

The book’s epilogue explores the place of musical portraiture in the context of posthumous depictions of the deceased, and in relation to the so-called posthuman condition, which describes contemporary changes in the relationship of the individual with such aspects of life as technology and the body. It first examines Alfred Hitchcock’s Vertigo to view how Bernard Herrmann’s score relates to issues of portraiture and the depiction of the identity of the deceased. It then considers the work of cyborg composer-artist Neil Harbisson, who has aimed, through the use of new capabilities of hybridity between the body and technology, to convey something akin to visual likeness in his series of Sound Portraits. The epilogue shows how an examination of contemporary views of posthumous and posthuman identities helps to illuminate the ways music represents the self throughout the genre of musical portraiture.

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