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Santabarbara KL, Helms ER, Stewart TI, Armour MJ, Harris NK. Menstrual cycle patterns and their relationship with measures of well-being and perceived performance metrics in competitive and recreational resistance-trained athletes. J Sports Med Phys Fitness 2024; 64:694-706. [PMID: 38916093 DOI: 10.23736/s0022-4707.24.15752-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
BACKGROUND There is mixed evidence on how the menstrual cycle (MC) affects sports performance, with many studies showing variations in performance during different phases of the MC, while other evidence shows that the MC's effects on performance may be trivial. Therefore, this exploratory longitudinal monitoring study was designed to investigate MC characteristics and symptoms in a resistance-trained (RT) population to look for associations between measures of well-being and perceived performance metrics across the MC. METHODS RT females reported their workout habits, perceived performance metrics, and measures of well-being while tracking their MC with detailed methods via daily check-ins in an app. RESULTS Most MC characteristics and symptoms in the present RT population aligned with previous research on the general population. However, the frequency of irregular cycles was higher than in previous research on the general population. The amount of individual variation and within-subject cycle-to-cycle variation in MC characteristics and MC symptoms was also high. All measures of well-being were significantly associated with specific days of the MC, demonstrating a change in well-being based on the timing of the MC. Several perceived performance metrics were significantly associated with changes across the MC, while others were not. CONCLUSIONS Overall, with the current evidence as it stands, a highly individualized approach should be taken for any training or performance considerations surrounding the MC due to the high levels of individual variation.
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Affiliation(s)
- Kimberly L Santabarbara
- Sport Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, Auckland, New Zealand -
- Department of Kinesiology and Health Promotion, California State Polytechnic University, Pomona, CA, USA -
| | - Eric R Helms
- Sport Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, Auckland, New Zealand
- Department of Exercise Science and Health Promotion, Florida Atlantic University, Laboratory of Muscle Physiology, Boca Raton, FL, USA
| | - Tom I Stewart
- Human Potential Center, Auckland University of Technology, Auckland, New Zealand
| | - Mike J Armour
- NICM Health Research Institute, Western Sydney University, Sydney, Australia
- Medical Research Institute of New Zealand (MRINZ), Wellington, New Zealand
| | - Nigel K Harris
- Human Potential Center, Auckland University of Technology, Auckland, New Zealand
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2
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Barlow A, Blodgett JM, Williams S, Pedlar CR, Bruinvels G. Injury Incidence, Severity, and Type Across the Menstrual Cycle in Female Footballers: A Prospective Three Season Cohort Study. Med Sci Sports Exerc 2024; 56:1151-1158. [PMID: 38227488 DOI: 10.1249/mss.0000000000003391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
PURPOSE The aim of the study was to assess the influence of menstrual cycle phase on injury incidence, severity, and type in elite female professional footballers over three seasons. METHODS Time-loss injuries and menstrual cycle data were prospectively recorded for 26 elite female football players across three seasons. The menstrual cycle was categorized into four phases using a standardized model: menstruation (phase 1; P1), remainder of follicular phase (phase 2; P2), early luteal (phase 3; P3), and premenstrual phase (phase 4; P4). Injury incidence rates (IIR) and ratios (IIRR) were calculated for overall injuries, injury severity, type, contact vs noncontact, and game/training. RESULTS A total of 593 cycles across 13,390 d were tracked during the study, and 74 injuries from 26 players were eligible for analysis. When comparing IIR between phases (reference: P1), overall injury rates were highest in P4 (IIRR, 2.30 (95% confidence interval, 0.99-5.34; P = 0.05)). When examining rates by injury severity and type, IIR values were also highest in P4 for ≤7 d' time-loss (4.40 (0.93-20.76; P = 0.06)), muscle-specific (6.07 (1.34-27.43; P = 0.02)), and noncontact (3.05 (1.10-8.50; P = 0.03)) injuries. Muscle-specific (IIRR P3/P1, 5.07 (1.16-22.07; P = 0.03)) and ≤7 d' time-loss (4.47 (1.01-19.68; P = 0.05)) injury risk was also significantly higher in P3. Muscle injuries were the most prevalent subtype ( n = 41). No anterior cruciate ligament injuries were recorded across the monitoring period. CONCLUSIONS Injury risk was significantly elevated during the luteal phase of the menstrual cycle (P3 and P4) among elite female professional footballers. Further research is urgently needed to better understand the influence of the menstrual cycle on injury risk and to develop interventions to mitigate risk.
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Affiliation(s)
- Ally Barlow
- Centre for Health, and Injury & Illness Prevention in Sport, Department for Health, University of Bath, Bath, UNITED KINGDOM
| | - Joanna M Blodgett
- Institute of Sport, Exercise and Health, Division of Surgery and Interventional Science, University College London, UNITED KINGDOM
| | - Sean Williams
- Centre for Health, and Injury & Illness Prevention in Sport, Department for Health, University of Bath, Bath, UNITED KINGDOM
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3
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Howe OR. Ethical Risks of Systematic Menstrual Tracking in Sport. JOURNAL OF BIOETHICAL INQUIRY 2024:10.1007/s11673-023-10333-9. [PMID: 38762835 DOI: 10.1007/s11673-023-10333-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/18/2023] [Indexed: 05/20/2024]
Abstract
In this article it will be concluded that systematic menstrual tracking in women's sport has the potential to cause harm to athletes. Since the ruling of Dobbs v. Jackson Women's Health Organization (2022) in the United States, concerns regarding menstrual health tracking have arisen. Research suggests that the menstrual tracking of female athletes presents potential risks to "women's autonomy, privacy, and safety in sport" (Casto 2022, 1725). At present, the repercussions of systematic menstrual tracking are particularly under-scrutinized, and this paper seeks to combine novel research in the sport sciences with present ethical debates in the philosophy of sports. Utilizing Beauvoir's feminist philosophy (2011), this paper argues that systematic menstrual tracking may contribute to the wider system of women's oppression by exploiting female athletes, as well as enabling the internalization of submissive behaviour in cultures where athletes are expected to comply unquestioningly. Five policy recommendations are made concerning autonomy, informed consent, education, safeguarding and data access. The overall findings of this paper propose that a more in-depth understanding of the links between data, privacy, and the menstrual cycle are required by sports organizations and governing bodies if athletes are to be protected in a future where systematic menstrual tracking is inevitable.
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Affiliation(s)
- Olivia R Howe
- Faculty of Physical Education and Sport, Charles University, José Martího 269/31, 162 52, Prague 6, Veleslavín, Czech Republic.
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Yamashita N, Kume M, Satake T, Inoue K, Yoshida T. Subjective perceived risk factors of exertional heat exhaustion-related symptoms in female collegiate athletes in Japan. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2024:10.1007/s00484-024-02667-9. [PMID: 38598168 DOI: 10.1007/s00484-024-02667-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 03/19/2024] [Accepted: 04/01/2024] [Indexed: 04/11/2024]
Abstract
Associations of exertional heat exhaustion (EHE)-related symptoms with lifestyle habits and health factors specific to female athletes, ranked by relative risks from high to low, remain elusive. Addressing this issue would benefit athletes and coaches, ensuring safer practices during summer sports activities. To address this issue, we distributed paper-based questionnaires to seven universities in Japan, and 983 respondents completed our survey. The questionnaires covered various personal characteristics, lifestyle habits, perceived health factors, perceived athletic activity, and EHE-related symptoms. In this retrospective case-control study, we analyzed the relationships of EHE-related symptoms (objective variables) with lifestyle habits, health factors, and athletic activity conditions (explanatory variables) using the partial proportional odds model. The questionnaire responses revealed that perceived dehydration, sickness, loss of appetite, perceived accumulated fatigue, perceived mental stress, lack of ambient wind, and insufficient rest breaks were positively associated with EHE-related symptoms, with relative risks ranging from high to low. Using an air conditioner during sleep and having a sleep duration of ≥ 6 h were associated with a reduced risk of EHE-related symptoms. The study results suggest that female athletes should be allowed to postpone exercise or reduce its intensity and volume based on their perceptions of dehydration, sickness, loss of appetite, accumulated fatigue, and mental stress in summer to prevent heat-related illnesses.
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Affiliation(s)
- Naoyuki Yamashita
- Faculty of Arts and Sciences, Kyoto Institute of Technology, Kyoto, Japan.
| | - Masashi Kume
- Department of Food and Nutrition, Kyoto Bunkyo Junior College, Uji, Japan
| | - Toshiyuki Satake
- Faculty of Health Science, Kyoto Koka Women's University, Kyoto, Japan
| | - Keiko Inoue
- Graduate School of Science and Technology, Kyoto Institute of Technology, Kyoto, Japan
| | - Tetsuya Yoshida
- Faculty of Arts and Sciences, Kyoto Institute of Technology, Kyoto, Japan
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Hamed-Hamed D, González-Muñoz A, Cuevas-Cervera M, Perez-Montilla JJ, Aguilar-Nuñez D, Aguilar-García M, Pruimboom L, Navarro-Ledesma S. Effects of the menstrual cycle on the performance of female football players. A systematic review. Front Physiol 2024; 15:1359953. [PMID: 38651042 PMCID: PMC11033481 DOI: 10.3389/fphys.2024.1359953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/15/2024] [Indexed: 04/25/2024] Open
Abstract
Background Women's football has been booming for a few years now, which has led to an increase in the expectation of the players' performance, leading to a more detailed study of women's physiology in the field of sports. Objectives To analyze the scientific evidence on the influence of menstruation on the performance of female footballers, as well as to analyze the methodological quality of the studies included in this review. Materials and methods The possible hormonal effects of the menstrual cycle phases on the performance of female footballers were analyzed. The databases used to conduct the searches were Pubmed, Scopus, Virtual Health Library, Web of Science, EBSCO and the Cochrane Library. All included studies met the inclusion criteria. The Cochrane risk of bias tool was used. This systematic review protocol was registered at the International Prospective Register of Systematic Reviews (PROSPERO: CRD42023390652). Results A total of nine clinical trials were included in this review. A low quality of evidence was observed in the studies. Not all the results support the idea that the menstrual cycle phases can alter the performance of female footballers. Conclusion This systematic review shows that there is a great deal of controversy about the influence of the menstrual cycle phases on the performance of female footballers. Studies are focused on solely biological factors and gender is normally no part of those studies. Further research with larger samples, and taking not only biological but also sociological factors, are necessary to determine the effects of menstruation on the performance of female footballers.
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Affiliation(s)
- Dina Hamed-Hamed
- Clinical Medicine and Public Health PhD Program, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Ana González-Muñoz
- Clinical Medicine and Public Health PhD Program, Faculty of Health Sciences, University of Granada, Granada, Spain
- Clinica Ana Gonzalez, Malaga, Spain
| | | | - Jose Javier Perez-Montilla
- Clinical Medicine and Public Health PhD Program, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Daniel Aguilar-Nuñez
- Department of Nursing and Podiatry, Faculty of Health Sciences, University of Malaga, Malaga, Spain
| | - María Aguilar-García
- Biomedicine PhD Program, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Leo Pruimboom
- University Chair in Clinical Psychoneuroimmunology, University of Granada and PNI Europe, Melilla, Spain
| | - Santiago Navarro-Ledesma
- University Chair in Clinical Psychoneuroimmunology, University of Granada and PNI Europe, Melilla, Spain
- Department of Physical Therapy, Faculty of Health Sciences, University of Granada, Melilla, Spain
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6
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Beato M, Madsen EE, Clubb J, Emmonds S, Krustrup P. Monitoring Readiness to Train and Perform in Female Football: Current Evidence and Recommendations for Practitioners. Int J Sports Physiol Perform 2024; 19:223-231. [PMID: 38307011 DOI: 10.1123/ijspp.2023-0405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/19/2023] [Accepted: 01/08/2024] [Indexed: 02/04/2024]
Abstract
PURPOSE Monitoring player readiness to train and perform is an important practical concept in football. Despite an abundance of research in this area in the male game, to date, research is limited in female football. The aims of this study were, first, to summarize the current literature on the monitoring of readiness in female football; second, to summarize the current evidence regarding the monitoring of the menstrual cycle and its potential impact on physical preparation and performance in female footballers; and third, to offer practical recommendations based on the current evidence for practitioners working with female football players. CONCLUSIONS Practitioners should include both objective (eg, heart rate and countermovement jump) and subjective measures (eg, athlete-reported outcome measures) in their monitoring practices. This would allow them to have a better picture of female players' readiness. Practitioners should assess the reliability of their monitoring (objective and subjective) tools before adopting them with their players. The use of athlete-reported outcome measures could play a key role in contexts where technology is not available (eg, in semiprofessional and amateur clubs); however, practitioners need to be aware that many single-item athlete-reported outcome measures instruments have not been properly validated. Finally, tracking the menstrual cycle can identify menstrual dysfunction (eg, infrequent or irregular menstruation) that can indicate a state of low energy availability or an underlying gynecological issue, both of which warrant further investigation by medical practitioners.
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Affiliation(s)
- Marco Beato
- School of Allied Health Sciences, University of Suffolk, Ipswich, United Kingdom
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Esben Elholm Madsen
- Department of Sports Science and Clinical Biomechanics, Sport and Health Sciences Cluster (SHSC), University of Southern Denmark, Odense, Denmark
| | - Jo Clubb
- Global Performance Insights Ltd, London, United Kingdom
| | - Stacey Emmonds
- Carnegie School of Sport, Leeds Beckett University, Leeds, United Kingdom
| | - Peter Krustrup
- Department of Sports Science and Clinical Biomechanics, Sport and Health Sciences Cluster (SHSC), University of Southern Denmark, Odense, Denmark
- Sport and Health Sciences, University of Exeter, Exeter, United Kingdom
- Danish Institute for Advanced Study (DIAS), University of Southern Denmark, Odense, Denmark
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7
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Prado RCR, Kilpatrick MW. Menstrual Cycle and Performance: What Is Next? Sports Health 2023; 15:895-897. [PMID: 37731307 PMCID: PMC10606960 DOI: 10.1177/19417381231197609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/22/2023] Open
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8
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Dupuit M, Meignié A, Chassard T, Blanquet L, LeHeran J, Delaunay T, Bernardeau E, Toussaint JF, Duclos M, Antero J. On-Field Methodological Approach to Monitor the Menstrual Cycle and Hormonal Phases in Elite Female Athletes. Int J Sports Physiol Perform 2023; 18:1169-1178. [PMID: 37666497 DOI: 10.1123/ijspp.2022-0287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 05/17/2023] [Accepted: 06/15/2023] [Indexed: 09/06/2023]
Abstract
OBJECTIVES Currently, there are no guidelines for implementing the monitoring of menstrual status, including the natural menstrual cycle (NC) or oral contraception (OC), in a sport setting. We aimed to provide a feasible, on-field methodological approach for monitoring NC and OC in female athletes. METHODS We developed a smartphone app with daily questionnaires to monitor both NC and OC phases in 19 elite female soccer players (23.7 [4.4] y) over 7 months. Adherence and compliance were evaluated. The NC and OC phases were based on calendar data to establish an individual menstrual profile for each athlete. RESULTS The initial questionnaire revealed that the vast majority of female players (80%) were interested in monitoring their menstrual status. The online monitoring yielded high athlete adherence (87.0% [14.2%]) with a slight decrease over the winter break and at the end of the championship, which necessitated adaptations to promote compliance. Monitoring identified the specific menstrual pattern of each athlete and highlighted large interindividual variability. CONCLUSION This study assesses, for the first time, the interest of female players in monitoring their menstrual status. It provides a new methodological approach, as well as guidelines for optimizing on-field monitoring. It also anticipates some obstacles sport staff may encounter when trying to implement such follow-up. It is essential to better understand the menstrual profile of athletes and determine its potential impacts on well-being and performance.
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Affiliation(s)
- Marine Dupuit
- Laboratory of Metabolic Adaptations to Exercise Under Physiological and Pathological Conditions (AME2P), Université Clermont Auvergne (UCA), Clermont-Ferrand, France
- Institute for Research in Medicine and Epidemiology of Sports (IRMES, EA7329), INSEP, Paris, France
| | - Alice Meignié
- Institute for Research in Medicine and Epidemiology of Sports (IRMES, EA7329), INSEP, Paris, France
| | - Tom Chassard
- Institute for Research in Medicine and Epidemiology of Sports (IRMES, EA7329), INSEP, Paris, France
| | - Ludivine Blanquet
- Institute for Research in Medicine and Epidemiology of Sports (IRMES, EA7329), INSEP, Paris, France
| | | | | | | | - Jean-François Toussaint
- Institute for Research in Medicine and Epidemiology of Sports (IRMES, EA7329), INSEP, Paris, France
- CIMS, Hôtel-Dieu, Assistance Publique-Hôpitaux de Paris, Paris, France
- Université Paris Cité, Paris, France
| | - Martine Duclos
- Sport Medicine and Functional Explorations, University Hospital of Clermont-Ferrand (CHU), Clermont-Ferrand, France
- Unité de Nutrition Humaine (UNH), Université Clermont Auvergne (UCA), INRA, Clermont-Ferrand, France
| | - Juliana Antero
- Institute for Research in Medicine and Epidemiology of Sports (IRMES, EA7329), INSEP, Paris, France
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9
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Lin G, Siddiqui R, Lin Z, Blodgett JM, Patel SN, Truong KN, Mariakakis A. Blood glucose variance measured by continuous glucose monitors across the menstrual cycle. NPJ Digit Med 2023; 6:140. [PMID: 37567949 PMCID: PMC10421863 DOI: 10.1038/s41746-023-00884-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023] Open
Abstract
Past studies on how blood glucose levels vary across the menstrual cycle have largely shown inconsistent results based on limited blood draws. In this study, 49 individuals wore a Dexcom G6 continuous glucose monitor and a Fitbit Sense smartwatch while measuring their menstrual hormones and self-reporting characteristics of their menstrual cycles daily. The average duration of participation was 79.3 ± 21.2 days, leading to a total of 149 cycles and 554 phases in our dataset. We use periodic restricted cubic splines to evaluate the relationship between blood glucose and the menstrual cycle, after which we assess phase-based changes in daily median glucose level and associated physiological parameters using mixed-effects models. Results indicate that daily median glucose levels increase and decrease in a biphasic pattern, with maximum levels occurring during the luteal phase and minimum levels occurring during the late-follicular phase. These trends are robust to adjustments for participant characteristics (e.g., age, BMI, weight) and self-reported menstrual experiences (e.g., food cravings, bloating, fatigue). We identify negative associations between each of daily estrogen level, step count, and low degrees of fatigue with higher median glucose levels. Conversely, we find positive associations between higher food cravings and higher median glucose levels. This study suggests that blood glucose could be an important parameter for understanding menstrual health, prompting further investigation into how the menstrual cycle influences glucose fluctuation.
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Affiliation(s)
- Georgianna Lin
- University of Toronto, Computer Science, Toronto, ON, Canada.
| | | | - Zixiong Lin
- University of Toronto, Computer Science, Toronto, ON, Canada
| | - Joanna M Blodgett
- University College London, Institute of Sport Exercise & Health, London, UK
| | - Shwetak N Patel
- University of Washington, Computer Science & Engineering, Seattle, WA, USA
| | - Khai N Truong
- University of Toronto, Computer Science, Toronto, ON, Canada
| | - Alex Mariakakis
- University of Toronto, Computer Science, Toronto, ON, Canada
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10
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Prado RCR. Comment on "Challenging Aspects of Research on the Influence of the Menstrual Cycle and Oral Contraceptives on Physical Performance". Sports Med 2023; 53:927-929. [PMID: 38163841 DOI: 10.1007/s40279-022-01786-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/25/2022] [Indexed: 11/19/2022]
Affiliation(s)
- Raul Cosme Ramos Prado
- School of Physical Education and Sport, University of São Paulo, Av. Professor Mello Moraes, 65 - Vila Universitaria, São Paulo, SP, 05508-030, Brazil.
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11
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Hirschberg AL. Author's Reply to Prado: Comment on "Challenging Aspects of Research on the Influence of the Menstrual Cycle and Oral Contraceptives on Physical Performance". Sports Med 2023; 53:931-932. [PMID: 38163842 DOI: 10.1007/s40279-022-01787-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/25/2022] [Indexed: 11/19/2022]
Affiliation(s)
- Angelica Lindén Hirschberg
- Department of Women's and Children's Health, Karolinska Institutet, 171 76, Stockholm, SE, Sweden.
- Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, 171 76, Stockholm, SE, Sweden.
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12
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Enea C, Delpech N, Bosquet L. Comment on: "Menstrual Cycle: The Importance of Both the Phases and the Transitions Between Phases on Training and Performance". Sports Med 2023; 53:761-762. [PMID: 37133672 DOI: 10.1007/s40279-022-01778-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2022] [Indexed: 11/05/2022]
Affiliation(s)
- C Enea
- Laboratoire MOVE (UR20296), Faculté des Sciences du Sport, Université de Poitiers, 8 Allée Jean Monnet, TSA 31113, 96073, Poitiers Cedex 9, Poitiers, France.
| | - N Delpech
- Laboratoire MOVE (UR20296), Faculté des Sciences du Sport, Université de Poitiers, 8 Allée Jean Monnet, TSA 31113, 96073, Poitiers Cedex 9, Poitiers, France
| | - L Bosquet
- Laboratoire MOVE (UR20296), Faculté des Sciences du Sport, Université de Poitiers, 8 Allée Jean Monnet, TSA 31113, 96073, Poitiers Cedex 9, Poitiers, France
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13
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Bruinvels G, Hackney AC, Pedlar CR. Authors' Reply to Carina Enea et al.'s Comment on "Menstrual Cycle: The Importance of Both the Phases and the Transitions Between Phases on Training and Performance". Sports Med 2023; 53:763-764. [PMID: 37133671 PMCID: PMC10156996 DOI: 10.1007/s40279-022-01780-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2022] [Indexed: 02/18/2023]
Affiliation(s)
- Georgie Bruinvels
- St Mary's University Twickenham, London, UK.
- Business Innovation Unit, Orreco Ltd, NUI Galway, Galway, Ireland.
- Institute of Sport, Exercise and Health, UCL, 170 Tottenham Court Road, London, W1T 7HA, UK.
| | | | - Charles R Pedlar
- St Mary's University Twickenham, London, UK
- Business Innovation Unit, Orreco Ltd, NUI Galway, Galway, Ireland
- Institute of Sport, Exercise and Health, UCL, 170 Tottenham Court Road, London, W1T 7HA, UK
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14
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Millet GP, Chamari K. Look to the stars-Is there anything that public health and rehabilitation can learn from elite sports? Front Sports Act Living 2023; 4:1072154. [PMID: 36755563 PMCID: PMC9900137 DOI: 10.3389/fspor.2022.1072154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/01/2022] [Indexed: 01/24/2023] Open
Affiliation(s)
- Grégoire P. Millet
- Institute of Sport Sciences, University of Lausanne, Lausanne, Switzerland,Correspondence: Grégoire P. Millet
| | - Karim Chamari
- Aspetar, Orthopedic and Sports Medicine Hospital, FIFA Medical Center of Excellence, Doha, Qatar
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15
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Soedirdjo SDH, Rodriguez LA, Chung YC, Casey E, Dhaher YY. Sex hormone-mediated change on muscle activation deactivation dynamics in young eumenorrheic women. Front Physiol 2023; 14:1104578. [PMID: 36960149 PMCID: PMC10029997 DOI: 10.3389/fphys.2023.1104578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/22/2023] [Indexed: 03/09/2023] Open
Abstract
The goal of the study was to characterize muscle activation/deactivation dynamics across the menstrual cycle in healthy young women. Twenty-two healthy eumenorrheic women (age: 27.0 ± 4.4 years; mean ± SD) were tested every other day for one menstrual cycle. Serum estradiol and progesterone were quantified at the time of testing. Peak torque (PT), time to peak torque (TPT), and half relaxation time (HRT) of soleus muscle twitch were measured. Muscle twitch was elicited by delivering 1 ms width electrical pulses to the tibial nerve at an intensity that generated a maximum motor response (S-100) and at supramaximal intensity (S-120; 1.2 × S-100). The analyses were performed for each menstrual cycle phase: 1) the follicular phase to analyze the effect of estradiol while the progesterone concentrations remained at low concentrations; 2) the luteal phase to analyze the effect of progesterone with background estradiol concentrations. In the follicular phase, there was no association of estradiol for PT, TPT, and HRT. In the luteal phase, while estradiol had no association on PT, TPT, and HRT, progesterone expressed a significant association with HRT reduction but no association on PT or TPT. Also, there was a significant estradiol and progesterone interaction for HRT. However, the regression parameters are nearly zero, suggesting that the change in HRT may not have an impact on muscle performance across the menstrual cycle but implications on other women's health conditions with elevated sex hormone concentrations, such as pregnancy, may prove critical.
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Affiliation(s)
- Subaryani D. H. Soedirdjo
- Department of Physical Medicine and Rehabilitation, UT Southwestern Medical Center, Dallas, TX, United States
| | - Luis A. Rodriguez
- Department of Physical Medicine and Rehabilitation, UT Southwestern Medical Center, Dallas, TX, United States
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX, United States
- Department of Orthopedic Surgery, UT Southwestern Medical Center, Dallas, TX, United States
| | - Yu-Chen Chung
- Department of Physical Medicine and Rehabilitation, UT Southwestern Medical Center, Dallas, TX, United States
| | - Ellen Casey
- Department of Physiatry, Hospital for Special Surgery, New York, NY, United States
| | - Yasin Y. Dhaher
- Department of Physical Medicine and Rehabilitation, UT Southwestern Medical Center, Dallas, TX, United States
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX, United States
- Department of Orthopedic Surgery, UT Southwestern Medical Center, Dallas, TX, United States
- *Correspondence: Yasin Y. Dhaher,
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Righi I, Barroso R. Do Recreationally-Trained Women of Different Ages Perceive Symptoms of the Menstrual Cycle and Adjust Their Training According to Phases? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192113841. [PMID: 36360721 PMCID: PMC9657339 DOI: 10.3390/ijerph192113841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/19/2022] [Accepted: 10/21/2022] [Indexed: 06/03/2023]
Abstract
We aimed to investigate the effects of the menstrual cycle (MC) in recreationally trained women athletes, including their perception of training, if age affected their perception of MC symptoms, and if they adjusted their training according to phases of the MC which they would perceive as the best/worst phase to train in. Three hundred- and ten-women amateur athletes with regular MC replied to an online quiz about their perception and the effects of MC on training and how they adjusted training according to their MC. Women were classified into three age groups: 18-25 years-old (n = 108), 26-35 years-old (n = 135), and 36-45 years-old (n = 67). Despite a higher ratio of younger perceived symptoms and the influence of MC phases in training, the group varied their training according to MC phases the least (37%) compared to 26-35 (50%) and 36-45-year-olds (40.2%). Most of athletes perceived the late follicular phase (LF) as the best phase to train in (18-25 = 79.6%; 26-35 = 80.7%; 36-45 = 91%) and the worst phases were early follicular (EF) (54.6%; 58% and 46.2%), and late luteal (LL) (38%; 48% and 47.7%). Regardless of age, most women perceived MC symptoms, and women in the 26-35 group adjusted their training more according to MC phases.
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