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Menstrual cycle AND Exercise

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https://www.readbyqxmd.com/read/28497386/oral-contraceptive-pill-use-and-the-susceptibility-to-markers-of-exercise-induced-muscle-damage
#1
K M Hicks, G Onambélé-Pearson, K Winwood, C I Morse
PURPOSE: Firstly, to establish whether oral contraceptive pill (OCP) users are more susceptible to muscle damage compared to non-users, and secondly, to establish whether differences can be attributed to differences in patella tendon properties. METHODS: Nine female OCP users and 9 female non-users participated in the investigation. Combining dynamometry, electromyography and ultrasonography, patella tendon properties and vastus lateralis architectural properties were measured pre and during the first of 6 sets of 12 maximal voluntary eccentric knee extensions...
May 11, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28479755/the-effect-of-moderate-physical-activity-on-ovarian-reserve-markers-in-reproductive-age-women-below-and-above-30-years
#2
Donthu Kiranmayee, Talla Praveena, Yalamanchali Himabindu, Manne Sriharibabu, Kothapalli Kavya, Medapati Mahalakshmi
BACKGROUND: There is significant evidence among the general population regarding the impact of physical activity in improving the quality of life; however, evidence regarding the effect of physical activity in improving fertility and the quality of life in infertile women is inadequate. Existing medical literature shows that moderately regular physical activity positively influences ovarian reserve and assisted reproductive technology (ART) outcomes in overweight and obese women. It is not known whether moderate physical activity influences ovarian reserve in normal weight reproductive age women, and whether age has any influence on the physical activity related changes in ovarian reserve...
January 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28420905/effects-of-supervised-aerobic-training-on-the-levels-of-anti-mullerian-hormone-and-adiposity-measures-in-women-with-normo-ovulatory-and-polycystic-ovary-syndrome
#3
Einas Al-Eisa, Sami Ali Gabr, Ahmad Hieder Alghadir
OBJECTIVE: To evaluate the change in the levels of anti-Mullerian hormone, adiponectin, weight loss and fertility parameters in obese women with or without polycystic ovary syndrome, following 12 weeks of supervised aerobic exercise. METHODS: This study was conducted from August 2013 to October 2014 among obese women with or without polycystic ovary syndrome referred to Obstetrics and Gynecology clinic, Mansoura University Hospital, Faculty of Medicine, Mansoura, Egypt...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28384857/assessment-of-musculoskeletal-strength-and-levels-of-fatigue-during-different-phases-of-menstrual-cycle-in-young-adults
#4
L C Pallavi, Urban John D Souza, G Shivaprakash
INTRODUCTION: Some of the physiological factors and athletic performance might show variation along the phases of menstrual cycle. The alterations seen in these physiological parameters of various systems relating to oscillations in hormonal levels do affect the autonomic nervous system and metabolic functions. Former studies heave inconclusively about the influence of hormones on exercise performance, predominantly muscle strength and rate of fatigue during different phases of the menstrual cycle...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28337936/females-exposed-to-24%C3%A2-h-of-sleep-deprivation-do-not-experience-greater-physiological-strain-but-do-perceive-heat-illness-symptoms-more-severely-during-exercise-heat-stress
#5
Rebecca Relf, Ashley Willmott, Jessica Mee, Oliver Gibson, Arron Saunders, Mark Hayes, Neil Maxwell
There is limited and inconclusive evidence surrounding the physiological and perceptual responses to heat stress while sleep deprived, especially for females. This study aimed to quantify the effect of 24 h sleep deprivation on physiological strain and perceptual markers of heat-related illness in females. Nine females completed two 30-min heat stress tests (HST) separated by 48 h in 39°C, 41% relative humidity at a metabolic heat production of 10 W · kg(-1). The non-sleep deprived HST was followed by the sleep deprivation (SDHST) trial for all participants during the follicular phase of the menstrual cycle...
March 24, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28288203/the-effects-of-menstrual-cycle-phase-on-physical-performance-in-female-soccer-players
#6
Ross Julian, Anne Hecksteden, Hugh H K Fullagar, Tim Meyer
BACKGROUND: Female soccer has grown extensively in recent years, however differences in gender-specific physiology have rarely been considered. The female reproductive hormones which rise and fall throughout the menstrual cycle, are known to affect numerous cardiovascular, respiratory, thermoregulatory and metabolic parameters, which in turn, may have implications on exercise physiology and soccer performance. Therefore, the main aim of the present study was to investigate potential effects of menstrual cycle phase on performance in soccer specific tests...
2017: PloS One
https://www.readbyqxmd.com/read/28262661/association-between-awareness-of-nutrition-labels-and-menstrual-cycle-irregularity-in-korean-women-the-fifth-korea-national-health-and-nutrition-examination-survey-2010-2012
#7
Hae Young Yoo, Eunjung Ryu, Ji Su Kim, Kyung do Han
PURPOSE: The aim of this study was to identify the relationship between awareness of nutrition labeling and menstrual cycle irregularity in women from a nationally representative sample of the Korean population. METHODS: A cross-sectional analysis was performed using hierarchical multivariable logistic regression analysis models. A total of 4,324 women aged 19~54 years from the 2010~2012 Korean National Health and Nutrition Examination Survey participated in the study...
February 2017: Journal of Korean Academy of Nursing
https://www.readbyqxmd.com/read/28255966/effect-of-resistance-exercise-on-arterial-stiffness-during-the-follicular-and-luteal-phases-of-the-menstrual-cycle
#8
Takanobu Okamoto, Ryota Kobayashi, Mikako Sakamaki-Sunaga
Acute high-intensity resistance exercise increases arterial stiffness. Changes in blood concentrations of estrogen and progesterone associated with the menstrual cycle affect the degree of arterial stiffness. Therefore, high-intensity resistance exercise may affect arterial stiffness differently depending on the phase of the menstrual cycle. The purpose of this study was to investigate the effects of different phases of the menstrual cycle on arterial stiffness after one session of resistance exercise. The participants were 9 eumenorrheic females (21...
May 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28242815/muscle-and-liver-glycogen-utilization-during-prolonged-lift-and-carry-exercise-male-and-female-responses
#9
Thomas B Price, Kimberly Sanders
This study examined the use of carbohydrates by men and women during lift/carry exercise. Effects of menstrual cycle variation were examined in women. Twenty-five subjects (15 M, 10 F) were studied; age 25 ± 2y M, 26 ± 3y F, weight 85 ± 3 kg* M, 63 ± 3 kg F, and height 181 ± 2 cm* M, 161 ± 2 cm F (* P < 0.0001). During exercise subjects squatted to floor level and lifted a 30 kg box, carried it 3 m, and placed it on a shelf 132 cm high 3X/min over a 3-hour period (540 lifts) or until they could not continue...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28228153/assessment-of-axillary-temperature-for-the-evaluation-of-normal-body-temperature-of-healthy-young-adults-at-rest-in-a-thermoneutral-environment
#10
Shuri Marui, Ayaka Misawa, Yuki Tanaka, Kei Nagashima
BACKGROUND: The aims of this study were to (1) evaluate whether recently introduced methods of measuring axillary temperature are reliable, (2) examine if individuals know their baseline body temperature based on an actual measurement, and (3) assess the factors affecting axillary temperature and reevaluate the meaning of the axillary temperature. METHODS: Subjects were healthy young men and women (n = 76 and n = 65, respectively). Three measurements were obtained: (1) axillary temperature using a digital thermometer in a predictive mode requiring 10 s (T ax-10 s), (2) axillary temperature using a digital thermometer in a standard mode requiring 10 min (T ax-10 min), and (3) tympanic membrane temperature continuously measured by infrared thermometry (T ty)...
February 22, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28208847/effect-of-different-phases-of-menstrual-cycle-on-cardio-respiratory-efficiency-in-normal-overweight-and-obese-female-undergraduate-students
#11
Nazrin Samsudeen, Archana Rajagopalan
INTRODUCTION: The influence of obesity on cardio-respiratory efficiency in the various phases of menstrual cycle is not well understood until now. As majority of Indian women have a favourable attitude towards participation in sports it is significant to understand the variation in exercise performance during different phases of menstrual cycle to have an optimum performance. AIM: To evaluate the endurance capacity and cardio-respiratory responses in normal, obese and overweight female undergraduate students during different phases of menstrual cycle...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28194755/withdrawn-exercise-for-dysmenorrhoea
#12
REVIEW
Julie Brown, Stephen Brown
BACKGROUND: Dysmenorrhoea is characterised by cramping lower abdominal pain that may radiate to the lower back and upper thighs and is commonly associated with nausea, headache, fatigue and diarrhoea. Physical exercise has been suggested as a non-medical approach to the management of these symptoms. OBJECTIVES: To assess the evidence for the effectiveness of exercise in the treatment of dysmenorrhoea. SEARCH METHODS: A search was conducted using the methodology of the Menstrual Disorders and Subfertility Group (August 2009)...
February 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28141724/inattentive-attention-deficit-hyperactivity-disorder-stimulant-medication-and-weight-loss-in-a-15-year-old-girl-are-we-enabling-the-development-of-an-eating-disorder
#13
Sai Iyer, Maya Kumar, Michael I Reiff, Martin T Stein
Nicole is a 15-year-old girl presenting to the Developmental Behavioral Pediatrics Clinic with symptoms of the inattentive type of Attention-Deficit/Hyperactivity Disorder (ADHD) and declining school performance over the last year. She expressed frustration over her inability to concentrate on schoolwork. Assuming that her poor grades were secondary to lack of effort, her parents withdrew privileges. Nicole became increasingly depressed. She stopped participating in activities, she previously enjoyed, and her parents reported that she stopped singing in the shower...
February 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28118678/effect-of-sex-on-the-acute-skeletal-muscle-response-to-sprint-interval-exercise
#14
Lauren E Skelly, Jenna B Gillen, Martin J MacInnis, Brian J Martin, Adeel Safdar, Mahmood Akhtar, Maureen J MacDonald, Mark A Tarnopolsky, Martin J Gibala
What is the central question of this study? Are there sex-based differences in the acute skeletal muscle response to sprint interval training (SIT)? What is the main finding and its importance? In response to a SIT protocol that involved three 20 s bouts of 'all-out' cycling, the expression of multiple genes associated with mitochondrial biogenesis, metabolic control and structural remodelling was largely similar between men and women matched for fitness. Our findings cannot explain previous reports of sex-based differences in the adaptive response to SIT and suggest that the mechanistic basis for these differences remains to be elucidated...
January 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28081200/fitter-women-did-not-have-attenuated-hemodynamic-responses-to-psychological-stress-compared-with-age-matched-women-with-lower-levels-of-fitness
#15
Sisitha U Jayasinghe, Susan J Torres, Mais Hussein, Steve F Fraser, Gavin W Lambert, Anne I Turner
According to the 'cross stressor adaptation hypothesis', regular exercise acts as a buffer against the detrimental effects of stress. Nevertheless, evidence that higher levels of cardiorespiratory fitness moderate hemodynamic responses to acute psychological stress is inconclusive, especially in women. Women aged 30-50 years (in the mid-follicular phase of the menstrual cycle) with higher (n = 17) and lower (n = 17) levels of fitness were subjected to a Trier Social Stress Test (TSST). Continuous, non-invasive measurements were made of beat-to-beat, systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), heart rate (HR), stroke volume (SV), cardiac output (CO), left ventricular ejection time (LVET), maximum slope, pulse interval (PI) and total peripheral resistance (TPR)...
2017: PloS One
https://www.readbyqxmd.com/read/28042403/comparison-of-the-effect-of-stretching-exercises-and-mefenamic-acid-on-the-reduction-of-pain-and-menstruation-characteristics-in-primary-dysmenorrhea-a-randomized-clinical-trial
#16
Narges Motahari-Tabari, Marjan Ahmad Shirvani, Abbas Alipour
OBJECTIVES: Dysmenorrhea is a common gynecologic disorder. Although non-steroidal anti-inflammatory drugs are commonly used, due to their side effects and lack of response in some individuals, other approaches such as exercise have been considered. This study compared the effect of stretching exercises and mefenamic acid on the reduction of pain and menstruation characteristics in primary dysmenorrhea. METHODS: In this randomized clinical trial, 122 female students with moderate to severe dysmenorrhea were assessed and were placed in either the exercise or mefenamic acid group...
January 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/27900769/influence-of-menstrual-phase-and-arid-vs-humid-heat-stress-on-autonomic-and-behavioural-thermoregulation-during-exercise-in-trained-but-unacclimated-women
#17
Tze-Huan Lei, Stephen R Stannard, Blake G Perry, Zachary J Schlader, James D Cotter, Toby Mündel
KEY POINTS: Despite an attenuated fluctuation in ovarian hormone concentrations in well-trained women, one in two of such women believe their menstrual cycle negatively impacts training and performance. Forthcoming large international events will expose female athletes to hot environments, and studies evaluating aerobic exercise performance in such environments across the menstrual cycle are sparse, with mixed findings. We have identified that autonomic heat loss responses at rest and during fixed-intensity exercise in well-trained women are not affected by menstrual cycle phase, but differ between dry and humid heat...
May 1, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/27898641/oral-contraceptive-use-dampens-physiological-adaptations-to-sprint-interval-training
#18
Mia A Schaumberg, David G Jenkins, Xanne A K Janse DE Jonge, Lynne M Emmerton, Tina L Skinner
PURPOSE: Oral contraceptive (OC) use reduces peak aerobic capacity (V˙O2peak); however, whether it also influences adaptations to training has yet to be determined. This study aimed to examine the influence of OC use on peak performance (peak power output [PPO]) and physiological adaptations (V˙O2peak and peak cardiac output [Q˙peak]) after sprint interval training (SIT) in recreationally active women. METHODS: Women taking an OC (n = 25) or experiencing natural regular menstrual cycles (MC; n = 16) completed an incremental exercise test to assess V˙O2peak, PPO, and Q˙peak before, immediately after, and 4 wk after 12 sessions of SIT...
April 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27870902/sleep-duration-exercise-shift-work-and-polycystic-ovarian-syndrome-related-outcomes-in-a-healthy-population-a-cross-sectional-study
#19
Audrey J R Lim, Zhongwei Huang, Seok Eng Chua, Michael S Kramer, Eu-Leong Yong
CONTEXT: Few studies have examined the associations between sleep duration, shiftwork, and exercise to the infrequent menstruation, hyperandrogenism, and ovarian morphological changes observed in women with polycystic ovarian syndrome (PCOS). OBJECTIVE: To examine whether lifestyle factors, including short sleep duration, insufficient exercise, and shiftwork, alone or in combination, are associated with the reproductive and metabolic abnormalities typical of PCOS in a healthy population...
2016: PloS One
https://www.readbyqxmd.com/read/27832807/sex-specific-variation-in-signaling-pathways-and-gene-expression-patterns-in-human-leukocytes-in-response-to-endotoxin-and-exercise
#20
Asghar Abbasi, Rodolfo de Paula Vieira, Felix Bischof, Michael Walter, Masoud Movassaghi, Nicole C Berchtold, Andreas M Niess, Carl W Cotman, Hinnak Northoff
BACKGROUND: While exercise effects on the immune system have received increasing attention in recent years, it remains unclear to what extent gender and fluctuations in sex hormones during menstrual cycle influence immunological responses to exercise. METHODS: We investigated mRNA changes induced through exhaustive exercise (half-marathon; pre-exercise and post-exercise [30 min, 3 h, 24 h] on whole blood cultures ± lipopolysaccharide [LPS] [1 h]) with a specific focus on sex differences (men vs women in luteal phase) as an extension of our previous study...
November 10, 2016: Journal of Neuroinflammation
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