Academic literature on the topic 'External breathing functions'

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Journal articles on the topic "External breathing functions"

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Asheraliev, M., and S. Omusheva. "Status of respiratory function in children with allergic rhinitis in the Kyrgyz Republic." Bulletin of Science and Practice, no. 11 (November 14, 2017): 181–87. https://doi.org/10.5281/zenodo.1048436.

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Results of prospective research case-control enabled to define types of disorder of external respiration disorders in allergic rhinitis and early transformation into bronchial asthma in children with “allergic rhinitis”. To study indicators of background data of functions of external breathing for differential diagnostics of allergic rhinitis and revealing of disorders of bronchial permeability in children and correlation to sex and age.
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Deban, Stephen M., and David R. Carrier. "Hypaxial muscle activity during running and breathing in dogs." Journal of Experimental Biology 205, no. 13 (2002): 1953–67. http://dx.doi.org/10.1242/jeb.205.13.1953.

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SUMMARYThe axial muscles of terrestrial vertebrates serve two potentially conflicting functions, locomotion and lung ventilation. To differentiate the locomotor and ventilatory functions of the hypaxial muscles in mammals, we examined the locomotor and ventilatory activity of the trunk muscles of trotting dogs under two conditions: when the ventilatory cycle and the locomotor cycle were coupled and when they were uncoupled. Patterns of muscle-activity entrainment with locomotor and ventilatory events revealed (i)that the internal and external abdominal oblique muscles performed primarily locom
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Chen, Lihua, Jian Xue, Zhijie Zhang, and Wei Zhang. "Bifurcation Study of Thin Plate with an All-Over Breathing Crack." Advances in Materials Science and Engineering 2016 (2016): 1–19. http://dx.doi.org/10.1155/2016/1509384.

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An all-over breathing crack on the plate surface having arbitrary depth and location is assumed to be nonpropagating and parallel to one side of the plate. Based on a piecewise model, the nonlinear dynamic behaviors of thin plate with the all-over breathing crack are studied to analyze the effect of external excitation amplitudes and frequencies on cracked plate with different crack parameters (crack depth and crack location). Firstly, the mode shape functions of cracked thin plate are obtained by using the simply supported boundary conditions and the boundary conditions along the crack line.
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Drohomyretska, M., and Mohammed Sadek Abu Sulaiman. "Assessment of functional indicators in children with class II Malocclusion with normal, and impaired external respiratory function assessed with spirometry." SUCHASNA STOMATOLOHIYA 112, no. 5-6 (2022): 46. http://dx.doi.org/10.33295/1992-576x-2022-5-6-46.

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Background. Class II malocclusion is one of the most common problems in orthodontic practice and is accompanied by certain morphological, functional, and aesthetic changes: a violation of the dynamic balance of muscles of a peri-oral area and tongue, which affects many functions of the child: there are disorders of external breathing, speech, chewing and swallowing functions. Among vital functions, breathing can be called one of the most important, because the exchange of air between a living being, and the external atmosphere is necessary to meet the metabolic needs of the body. During the re
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Arokina, N. K. "RECOVERY OF RAT'S HEART AND RESPIRATION FUNCTIONING DURING EMERGENCE FROM DEEP HYPOTHERMIA IN THE PROCESS OF SELF-HEATING AND WITH AN EXTERNAL HEATER." Aerospace and Environmental Medicine 55, no. 4 (2021): 78–85. http://dx.doi.org/10.21687/0233-528x-2021-55-4-78-85.

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The article presents modeling of the organism emergence from hypothermia preceded by cardiac arrest. Experiments were performed with anaesthetized Wistar male rats and monitoring the breathing rate, heart rate, blood pressure, arterial oxygen saturation, rectal and esophagal temperature. Rats were kept immersed in water at 8–10 °С till the respiratory arrest and cardiac activity reduction. In 5 minutes, artificial ventilation was administered to restore a normal cardiac rhythm and rate. In one model, the rats had to warm themselves after withdrawal from water. In the other, the rats were held
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Ramirez, J. M., A. Doi, A. J. Garcia, F. P. Elsen, H. Koch, and A. D. Wei. "The Cellular Building Blocks of Breathing." Comprehensive Physiology 2, no. 4 (2012): 2683–731. https://doi.org/10.1002/j.2040-4603.2012.tb00469.x.

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AbstractRespiratory brainstem neurons fulfill critical roles in controlling breathing: they generate the activity patterns for breathing and contribute to various sensory responses including changes in O2 and CO2. These complex sensorimotor tasks depend on the dynamic interplay between numerous cellular building blocks that consist of voltage‐, calcium‐, and ATP‐dependent ionic conductances, various ionotropic and metabotropic synaptic mechanisms, as well as neuromodulators acting on G‐protein coupled receptors and second messenger systems. As described in this review, the sensorimotor respons
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Mitsea, Eleni, Athanasios Drigas, and Charalampos Skianis. "Breathing, Attention & Consciousness in Sync: The role of Breathing Training, Metacognition & Virtual Reality." Technium Social Sciences Journal 29 (March 9, 2022): 79–97. http://dx.doi.org/10.47577/tssj.v29i1.6145.

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The purpose of the current review study is to shed light on the relationship between respiration and attention. Specifically, we examined whether and how respiration can provoke alterations in attentional states. Secondly, we investigated the benefits of breath-control training techniques in attention. Furthermore, we explored the effectiveness of virtual reality breathing training in improving respiration along with attention. Finally, we discussed the role of metacognition in the conscious synchronization of respiration with attention. It was revealed that every time respiration loses stabil
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Omelchenko, Olena, Nina Dolbysheva, Alla Kovtun, et al. "Evaluation of respiratory function indicators of elite athletes in academic rowing using the method of computer spirography." Pedagogy of Physical Culture and Sports 27, no. 2 (2023): 173–82. http://dx.doi.org/10.15561/26649837.2023.0210.

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Background and Study Aim. In modern sports, the research and study of the functional capabilities of athletes' breathing is relevant. The analysis of individual results made it possible to form an idea about the respiratory functions of athletes. Among elite athletes, parameters of respiratory functions are significantly higher than the norm, so their interpretation relative to the general healthy population is inadequate. The purpose of the study is to determine lung volumes and dynamic parameters of the respiratory act and their difference in height and weight categories, respectively. Mater
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Hsu, Shen-Mou, Chih-Hsin Tseng, Chao-Hsien Hsieh, and Chang-Wei Hsieh. "Slow-paced inspiration regularizes alpha phase dynamics in the human brain." Journal of Neurophysiology 123, no. 1 (2020): 289–99. http://dx.doi.org/10.1152/jn.00624.2019.

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The phase of low-frequency, rhythmic cortical activity is essential for organizing brain processes because it provides a recurrent temporal frame for information coding. However, the low-frequency cortical phase exhibits great flexibility in response to external influences. Given that brain rhythms have been found to track respiratory inputs, we hypothesized that slow breathing, commonly associated with mental regulation, could reorganize the relationship between these two rhythmic systems through the adjustment of the cortical phase to such a slow train of inputs. Based on simultaneous magnet
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De Troyer, André, Peter A. Kirkwood, and Theodore A. Wilson. "Respiratory Action of the Intercostal Muscles." Physiological Reviews 85, no. 2 (2005): 717–56. http://dx.doi.org/10.1152/physrev.00007.2004.

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The mechanical advantages of the external and internal intercostals depend partly on the orientation of the muscle but mostly on interspace number and the position of the muscle within each interspace. Thus the external intercostals in the dorsal portion of the rostral interspaces have a large inspiratory mechanical advantage, but this advantage decreases ventrally and caudally such that in the ventral portion of the caudal interspaces, it is reversed into an expiratory mechanical advantage. The internal interosseous intercostals in the caudal interspaces also have a large expiratory mechanica
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Dissertations / Theses on the topic "External breathing functions"

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Меняйло, Діана Андріївна. "Визначення оптимальних фізичних навантажень для учнів середнього шкільного віку під час туристичних походів". Магістерська робота, 2020. https://dspace.znu.edu.ua/jspui/handle/12345/1793.

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Меняйло Д. А. Визначення оптимальних фізичних навантажень для учнів середнього шкільного віку під час туристичних походів : кваліфікаційна робота магістра спеціальності 017 "Фізична культура і спорт" / наук. керівник П. Ф. Пиптюк. Запоріжжя : ЗНУ, 2020. 59 с.<br>UA : Кваліфікаційна робота складається з 59 сторінок, 3 таблиць, 56 літературних джерел. Об’єкт дослідження – водний похід першої категорії складності. Мета дослідження – виявлення рівня оптимальних навантажень для розвитку загальної витривалості учнів середнього шкільного віку під впливом водного походу першої категорії складності.
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Book chapters on the topic "External breathing functions"

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D. Zivkovic, Vesna, Ivona Stankovic, Lidija Dimitrijevic, Hristina Colovic, Dragan Zlatanovic, and Natasa Savic. "Rehabilitation Protocols for Children with Dysfunctional Voiding." In Pelvic Floor Disorders [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98573.

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Dysfunctional voiding is a functional voiding disorder characterized by an intermittent uroflow rate due to involuntary intermittent contractions of the striated muscle of the external urethral sphincter or pelvic floor muscles (PFMs) during voiding in neurologically normal children. Symptoms include voiding difficulties as well as urgency, voiding frequency and, in some instances, urinary incontinence and/or nocturnal enuresis. Recurrent urinary tract infections, chronic constipation and/or fecal incontinence and vesicoureteral reflux (VUR) contribute to this condition. Urotherapy is the main
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Butler, Patrick J., J. Anne Brown, D. George Stephenson, and John R. Speakman. "Cardiovascular systems." In Animal Physiology. Oxford University Press, 2021. http://dx.doi.org/10.1093/hesc/9780199655458.003.0018.

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This chapter discusses the cardiovascular systems of animals. Most invertebrates have an open circulatory system, although decapod crustaceans and some species of non-cephalopod molluscs have an incompletely closed system. Vertebrates have a closed circulatory system: all blood vessels are lined with endothelium. In water-breathing invertebrates, the ventricle propels the blood around the body and then through the gills for gas-exchange. The chapter then looks at the structure and function of blood vessels. In vertebrates, blood vessels consist of three layers: tunica intima, tunica media, and
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Gregoretti, Cesare, Andrea Cortegiani, Vincenzo Russotto, and Lara Pisani. "Non-invasive Ventilation in Critical Care." In Oxford Textbook of Respiratory Critical Care. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/med/9780198766438.003.0008.

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Abstract Summary Acute respiratory failure (ARF) is characterized by impaired gas exchange and increased work of breathing, secondary to an acute lung and/or respiratory pump failure. Ventilatory assistance to respiratory function can be applied either invasively through an endotracheal tube or by means of external interfaces, such as masks, mouthpieces, prongs, and helmets, referred to as non-invasive ventilation (NIV). Acute NIV needs to be provided in an appropriately skilled and equipped environment, with ready access to advanced respiratory therapies, including invasive mechanical ventila
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Conference papers on the topic "External breathing functions"

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Scharffenberg, M., J. Wittenstein, R. Theilen, et al. "Effects of Continuous External Negative Pressure During Mechanical Ventilation With Spontaneous Breathing Activity on Lung Function Variables in Experimental ARDS." In American Thoracic Society 2024 International Conference, May 17-22, 2024 - San Diego, CA. American Thoracic Society, 2024. http://dx.doi.org/10.1164/ajrccm-conference.2024.209.1_meetingabstracts.a3462.

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Cavalini, Aldemir Ap, Leonardo Sanches, and Valder Steffen. "Experimental Analysis of a Model Based Crack Identification Approach for Rotating Machines." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34485.

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In this paper an experimental application of a crack identification methodology based on combinational resonances is proposed. The technique uses external applied diagnostic forces at combinational frequencies, together with a pseudorandom optimization code, Differential Evolution, in order to characterize the signatures of the crack in the spectral responses of the flexible rotor. A finite element model is used to obtain the dynamic responses of the rotating machine. In this system, the additional excitations are applied by means an electrodynamic shaker. The method of multiple scales is used
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