Effect of the menstrual cycle on the muscle strength in young women

Michalski, Tomasz; Michalik, Piotr; Dąbrowska-Galas, Magdalena; Król, Tomasz; Rutkowska, Magdalena

doi:10.29089/2019.19.00092

Cited by 2 publications

(2 citation statements)

References 29 publications

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“…There are contradictions in the scientific literature since increases in muscle strength in the FP and a decrease in fatigue have been reported [21], while other studies have not reported significant differences in muscle strength values between the different phases of the MC [22,23]. In the case of aerobic or anaerobic training, there is no evidence that performance fluctuates over the duration of the MC [24].…”

Section: Introductionmentioning

confidence: 96%

Influence of the Menstrual Cycle on Performance in CrossFit®

Mora-Serrano,

Chulvi-Medrano,

Martínez-Guardado

et al. 2024

Applied Sciences

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The purpose of this study was to compare the fast maximal dynamic strength, maximal dynamic strength, and muscular endurance changes between the follicular phase (FP) and luteal phase (LP) in the menstrual cycle (MC). Fourteen healthy resistance-trained CrossFit® athletes and eumenorrheic women without oral contraception participated in this study (age: 29.64 ± 3.95 years; height: 1.62 ± 0.04 m and mass: 60.43 ± 6.56 kg). A double cross-sectional and descriptive study was developed to evaluate strength, power, and muscular endurance performance in the FP (days 5 to 7) and LP (days 20 to 23). In each assessment, the subjects performed three countermovement jumps (CMJs) for assessing fast maximal dynamic strength using My Jump 2, one-repetition maximum (1-RM) on deep squat for maximal dynamic strength, and the Karen® protocol for muscular endurance. The data were analyzed using a paired sample t-test to determine whether there were any significant differences between FP and LP for all the assessments and the significance was set at p ≤ 0.05. Results revealed no significant differences between the FP and LP in performance: (a) fast maximal dynamic strength (FP: 0.27 ± 0.04 m; LP: 0.29 ± 0.04 m; t = 0.98; p = 0.34; ES = 0.26); (b) maximal dynamic strength (FP: 88.14 ± 12.60 kg; LP: 87.07 ± 12.51 kg; t = 0.90; p = 0.38; ES = 0.24); and (c) muscular endurance (FP: 459.43 ± 92.71 s; LP: 456.93 ± 110.68 s; t = 0.27; p = 0.78; ES = 0.07). CrossFit® performance is not altered during the MC in CrossFit® trained athletes. However, monitoring the MC and its symptoms could be used to adapt the training prescription to the needs and preferences of the athletes.

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Section: Introductionmentioning

confidence: 96%

Influence of the Menstrual Cycle on Performance in CrossFit®

Mora-Serrano,

Chulvi-Medrano,

Martínez-Guardado

et al. 2024

Applied Sciences

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“…However, the effect of sex steroids on function of the musculoskeletal system in women, especially their passive parts, has not been fully explored yet, with the results of certain examinations being contradictory [ 14 , 15 , 16 , 17 ]. This issue is very important because a significant decrease in strength is associated with risky biomechanical strategies that may predispose to injury [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

The effect of the menstrual cycle on collagen metabolism, growth hormones and strength in young physically active women

Iwańska¹,

Kęska²,

Dadura³

et al. 2021

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This study aimed to investigate the effect of the menstrual cycle on strength, functioning of the GH/IGF-1 axis and collagen metabolism in physically active women. Twenty-four physically active and eumenorrheic women volunteered to participate in the study (body mass 60.3 ± 9.18 kg, age 21.8 ± 0.92 years). Blood samples were obtained between the 5th and 8th days (the follicular phase) and between the 19th and 22th days (the luteal phase) of the menstrual cycle to determine sex steroid concentrations (follicle-stimulating hormone (FSH), luteinizing hormone (LH), prolactin (PRL), oestradiol (E2) and progesterone (P)). Also insulin-like growth factor 1 (IGF-1) and collagen metabolism markers (synthesis (PICP) and breakdown (ICTP)) and maximum voluntary contraction (MVC) were measured. MVC was higher in the luteal phase 164.1 ± 34.77 [N m] (F(1.23) = 4.59; p = 0.043). The recorded collagen synthesis marker (PICP = 296.4 ± 35.61 [ng/ml]) was at the upper level of the reference range (30–300), with an insignificant decrease in the luteal phase (Z = 1.612; p = 0.107) and a significant increase in oestradiol concentration (Z = 4.286; p = 0.0001). The marker of collagen breakdown (ICTP = 4.16 ± 0.68 [μg/l]) was reduced by 6.8% in the same phase (Z = 1.764; p = 0.137). The variability of physical abilities (MVC) during the menstrual cycle showed that menstrual status should be taken into account in determination of the training loads. Increasing the load in the luteal phase seems to be favoured by a beneficial change in collagen metabolism (lower synthesis decrease, lower breakdown increase) observed in physically active women.

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Effect of the menstrual cycle on the muscle strength in young women

Cited by 2 publications

References 29 publications

Influence of the Menstrual Cycle on Performance in CrossFit®

Influence of the Menstrual Cycle on Performance in CrossFit®

The effect of the menstrual cycle on collagen metabolism, growth hormones and strength in young physically active women

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