Academic literature on the topic 'Respiratory muscles Physiology Sex differences'

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Journal articles on the topic "Respiratory muscles Physiology Sex differences"

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Barreiro, Esther, Carlos Coronell, Barbara Laviña, Alba Ramírez-Sarmiento, Mauricio Orozco-Levi, and Joaquim Gea. "Aging, sex differences, and oxidative stress in human respiratory and limb muscles." Free Radical Biology and Medicine 41, no. 5 (September 2006): 797–809. http://dx.doi.org/10.1016/j.freeradbiomed.2006.05.027.

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Miotto, Paula M., Chris McGlory, Tanya M. Holloway, Stuart M. Phillips, and Graham P. Holloway. "Sex differences in mitochondrial respiratory function in human skeletal muscle." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 314, no. 6 (June 1, 2018): R909—R915. http://dx.doi.org/10.1152/ajpregu.00025.2018.

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Mitochondrial bioenergetic contributions to sex differences in human skeletal muscle metabolism remain poorly defined. The primary aim of this study was to determine whether mitochondrial respiratory kinetics differed between healthy young men and women in permeabilized skeletal muscle fibers. While men and women displayed similar ( P > 0.05) maximal respiration rates and abundance of mitochondrial/adenosine diphosphate (ADP) transport proteins, women had lower ( P < 0.05) mitochondrial ADP sensitivity (+30% apparent Km) and absolute respiration rates at a physiologically relevant ADP co
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Dominelli, Paolo B., and Yannick Molgat-Seon. "Sex, gender and the pulmonary physiology of exercise." European Respiratory Review 31, no. 163 (January 12, 2022): 210074. http://dx.doi.org/10.1183/16000617.0074-2021.

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In this review, we detail how the pulmonary system's response to exercise is impacted by both sex and gender in healthy humans across the lifespan. First, the rationale for why sex and gender differences should be considered is explored, and then anatomical differences are highlighted, namely that females typically have smaller lungs and airways than males. Thereafter, we describe how these anatomical differences can impact functional aspects such as respiratory muscle energetics and activation, mechanical ventilatory constraints, diaphragm fatigue, and pulmonary gas exchange in healthy adults
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Edmunds, Jane S., Clayton L. Ivie, Elizabeth P. Ott, Dain W. Jacob, Sarah E. Baker, Jennifer L. Harper, Camila M. Manrique-Acevedo, and Jacqueline K. Limberg. "Sex differences in the effect of acute intermittent hypoxia on respiratory modulation of sympathetic activity." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 321, no. 6 (December 1, 2021): R903—R911. http://dx.doi.org/10.1152/ajpregu.00042.2021.

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Sex-related differences in respiratory modulation of sympathetic activity have been observed in rodent models of sleep apnea [intermittent hypoxia (IH)]. In light of sex disparities in the respiratory response to acute IH in humans as well as changes in respiratory modulation of muscle sympathetic nerve activity (MSNA) in clinical sleep apnea, we examined sex-related differences in respiratory modulation of MSNA following acute IH. We hypothesized that respiratory modulation of MSNA would be altered in both male and female participants after IH; however, the respiratory patterning of MSNA foll
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Guenette, Jordan A., Andrea M. Martens, Anne L. Lee, Gradin D. Tyler, Jennifer C. Richards, Glen E. Foster, Darren E. R. Warburton, and A. William Sheel. "Variable effects of respiratory muscle training on cycle exercise performance in men and women." Applied Physiology, Nutrition, and Metabolism 31, no. 2 (April 1, 2006): 159–66. http://dx.doi.org/10.1139/h05-016.

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Respiratory muscle training (RMT) has been proposed as an effective means to increase the strength of the inspiratory muscles and improve exercise performance. The purpose of this study was to examine the effect of RMT on cycling time to exhaustion (TTE) and to determine any potential sex effect. We hypothesized that RMT would improve maximal inspiratory pressure (MIP) and TTE to a similar degreee in men and women. Males (n = 7; mean (± SD) age, 22.1 ± 1.5 y) and females (n = 8; mean (± SD) 24.5 ± 4.9 y) performed an incremental cycle test to determine maximal oxygen consumption ([Formula: see
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Chen, H. I., and C. S. Kuo. "Relationship between respiratory muscle function and age, sex, and other factors." Journal of Applied Physiology 66, no. 2 (February 1, 1989): 943–48. http://dx.doi.org/10.1152/jappl.1989.66.2.943.

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To investigate the effects of gender and age on respiratory muscle function, 160 healthy volunteers (80 males, 80 females) were divided into four age groups. Twenty-eight of the male subjects were smokers. After the subjects were familiarized with the experimental procedure, respiratory muscle strength, inspiratory muscle endurance, and spirometric function, including forced vital capacity (FVC), forced expiratory volume in 1 s (FEV1), FEV1/FVC, tidal volume, breathing rate, and duty cycle, were measured. The respiratory muscle strength was indicated by the maximal static inspiratory and expir
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Kalidhindi, Rama Satyanarayana Raju, Niyati A. Borkar, Nilesh Sudhakar Ambhore, Christina M. Pabelick, Y. S. Prakash, and Venkatachalem Sathish. "Sex steroids skew ACE2 expression in human airway: a contributing factor to sex differences in COVID-19?" American Journal of Physiology-Lung Cellular and Molecular Physiology 319, no. 5 (November 1, 2020): L843—L847. http://dx.doi.org/10.1152/ajplung.00391.2020.

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The incidence, severity, and mortality of ongoing coronavirus infectious disease 19 (COVID-19) is greater in men compared with women, but the underlying factors contributing to this sex difference are still being explored. In the current study, using primary isolated human airway smooth muscle (ASM) cells from normal males versus females as a model, we explored the effect of estrogen versus testosterone in modulating the expression of angiotensin converting enzyme 2 (ACE2), a cell entry point for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Using confocal imaging, we found tha
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Ofir, Dror, Pierantonio Laveneziana, Katherine A. Webb, Yuk-Miu Lam, and Denis E. O'Donnell. "Sex differences in the perceived intensity of breathlessness during exercise with advancing age." Journal of Applied Physiology 104, no. 6 (June 2008): 1583–93. http://dx.doi.org/10.1152/japplphysiol.00079.2008.

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The prevalence of activity-related breathlessness increases with age, particularly in women, but the specific underlying mechanisms have not been studied. This novel cross-sectional study was undertaken to examine the effects of age and sex, and their interaction, on the perceptual and ventilatory responses to incremental treadmill exercise in 73 healthy participants (age range 40–80 yr old) with normal pulmonary function. Age-related changes at a standardized oxygen uptake (V̇o2) during exercise included significant increases in breathlessness ratings (Borg scale), ventilation (V̇e), ventilat
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Murias, Juan M., Daniel A. Keir, Matthew D. Spencer, and Donald H. Paterson. "Sex-related differences in muscle deoxygenation during ramp incremental exercise." Respiratory Physiology & Neurobiology 189, no. 3 (December 2013): 530–36. http://dx.doi.org/10.1016/j.resp.2013.08.011.

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Tarnopolsky, Mark A. "Gender Differences in Substrate Metabolism During Endurance Exercise." Canadian Journal of Applied Physiology 25, no. 4 (August 1, 2000): 312–27. http://dx.doi.org/10.1139/h00-024.

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Females show a lower respiratory exchange ratio (RER) than males during submaximal endurance exercise, which translates into a proportionately lower carbohydrate and higher fat oxidation. Data from rodents show that 17-β-estradiol may mediate these metabolic differences. 17-β-estradiol supplementation in humans is less convincing; however, two studies found a reduction in glucose rate of appearance during exercise. No difference is found between genders in muscle glycogen content; however, lipid content in muscle is higher in females. Evidence shows that short chain OH-acyl CoA-dehydrogenase (
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Dissertations / Theses on the topic "Respiratory muscles Physiology Sex differences"

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Jordan, Amy Selina. "The control of respiration and upper airway muscle activity in healthy young men and women." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phj812.pdf.

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"May 2002." Bibliography: leaves 123-144. Aspects of the control of ventilation and an upper airway dilator muscle (genioglossus) are compared between healthy men and women, in an attempt to identify a gender difference that may contribute to the high male prevalence of sleep apnea.
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Schaeffer, Michele. "Physiological mechanisms of sex differences in exertional dyspnea: role of neural respiratory motor drive." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119732.

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Dyspnea, the awareness of an increase in breathing discomfort, is commonly experienced during physical activity in healthy individuals and in patients with cardiopulmonary disease. It is well established that the intensity of perceived dyspnea is consistently higher during exercise in healthy women compared to men, regardless of age, height, and weight. However, the mechanism(s) of this sex-related difference in activity-related dyspnea is/are poorly understood and represented the primary focus of this thesis.Compared to men, women have smaller lungs, narrower airways, and weaker breathing m
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Louis, Emily S. "Influence of gender and muscle origin on skeletal muscle gene expression at rest and following maximal resistance exercise." Virtual Press, 2008. http://liblink.bsu.edu/uhtbin/catkey/1395462.

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The aim of this investigation was to compare the acute anabolic and catabolic responses of male and female vastus lateralis (VL) and soleus (SOL) muscles in response to resistance exercise (RE). Muscle biopsies from the VL of 7 males (26±3 y, 75±8 kg) and 7 females (25±3 y, 59±5 kg) were obtained before, and 2 and 6 h after 4 x 7 supine-squat, and 4 x 14 calf-press exercises at maximal effort using inertial ergometry. The mRNA levels of select myogenic (MyoD, myogenin, MRF4), proteolytic (atrogin-1 , MuRF-1), myostatin, and inflammatory (IL-6, -8, -15) genes were quantified using real-time RT-
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Jordan, Amy Selina. "The control of respiration and upper airway muscle activity in healthy young men and women / by Amy Jordan." Thesis, 2002. http://hdl.handle.net/2440/21859.

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"May 2002."<br>Bibliography: leaves 123-144.<br>xiv, 144 leaves : ill. ; 30 cm.<br>Aspects of the control of ventilation and an upper airway dilator muscle (genioglossus) are compared between healthy men and women, in an attempt to identify a gender difference that may contribute to the high male prevalence of sleep apnea.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Physiology, 2002
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Book chapters on the topic "Respiratory muscles Physiology Sex differences"

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Prakash, Y. S., Christina M. Pabelick, and Sergio E. Chiarella. "Sex Differences in Respiratory Physiology." In Physiology in Health and Disease, 1–11. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63549-7_1.

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Yong, Valerie F. L., Tavleen K. Jaggi, Louisa L. Y. Chan, and Sanjay H. Chotirmall. "Sex Differences in Respiratory Infection." In Physiology in Health and Disease, 365–404. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63549-7_13.

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Rebuli, Meghan E. "Respiratory Sex Differences in Response to Smoke Exposure." In Physiology in Health and Disease, 291–321. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63549-7_10.

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Kest, Benjamin, Elise Sarton, Jeffrey S. Mogil, and Albert Dahan. "Opioid-induced analgesia and respiratory depression: Sex differences." In Physiology And Pharmacology of Cardio-Respiratory Control, 93–100. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5129-0_14.

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