Erratum: Niering, M.; Muehlbauer, T. Effects of Physical Training on Physical and Psychological Parameters in Individuals with Patella Tendinopathy: A Systematic Review and Meta-Analysis. Sports 2021, 9, 12

Niering, Marc; Muehlbauer, Thomas

doi:10.3390/sports9110151

Cited by 3 publications

(3 citation statements)

References 2 publications

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“…In this sense, a review of this information indicates that the early FP is unfavorable for all strength classes and peak performance in isometric strength is seen in the late FP, whereas isokinetic strength peaks during ovulation. In addition, the same study explains that dynamic strength is optimal in the late FP [1,16].…”

Section: Introductionmentioning

confidence: 82%

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: 82%

Influence of the Menstrual Cycle on Performance in CrossFit®

Mora-Serrano,

Chulvi-Medrano,

Martínez-Guardado

et al. 2024

Applied Sciences

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“…Undulating training, as explored in various studies, demonstrated positive effects on both performance and muscle hypertrophy. 17 Additionally, it is noteworthy that the late follicular phase is considered optimal for peak performance in isometric maximal strength, while the late luteal phase, likely due to low estrogen levels, is less suitable. In contrast, dynamic maximal strength is most conducive during the late follicular phase, possibly due to elevated estrogen levels.…”

Section: Strengthmentioning

confidence: 99%

The effect of the menstrual cycle on physical characteristics (speed, strength, and endurance) in women in Saudi Arabia

Alnefaie,

Albanna,

Almuwallad

et al. 2024

Int J Reprod Contracept Obstet Gynecol

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The increasing participation of women in sports has raised interest in understanding how the menstrual cycle, specifically estrogen, progesterone, follicle-stimulating hormone (FSH), and luteinizing hormone (LH), affects athletic performance. These hormones fluctuate throughout the menstrual cycle, which is divided into the early follicular phase, ovulatory period, and mid-luteal phase, each with distinct hormonal profiles. While estrogen is believed to have an anabolic effect on skeletal muscle and influence substrate metabolism, progesterone may have an antiestrogenic effect, potentially affecting physical performance. However, research on the impact of these hormone fluctuations on performance yields contradictory results. Some studies report improved performance during various menstrual cycle phases, while others find no significant differences. Additionally, the effects of oral contraceptives (OCPs) on muscle strength and function remain unclear. Menopause, characterized by a decline in skeletal muscle mass and bone density, is associated with reduced physical performance in women. More research is needed to understand the effects of estrogen and progesterone fluctuations on physical performance in women, emphasizing the importance of gender-specific research and guidelines for optimizing athletic performance.

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“…Heterogeneity of the integrated results was assessed by the Chi-squared test and I 2 index, and p < 0.05 was considered an indication of a significant difference. Following Niering M et al [19], heterogeneity can be interpreted as trivial (0 ≤ 40%), moderate (30 ≤ 60%), substantial (50 ≤ 90%), or considerable (75 ≤ 100%). If heterogeneity below 50%, a fixed effects model was used.…”

Section: Data Synthesis and Analysismentioning

confidence: 99%

Effect of robot-assisted gait training on improving cardiopulmonary function in stroke patients: a meta-analysis

Chen,

Yin,

Hou

et al. 2024

J NeuroEngineering Rehabil

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Objective Understanding the characteristics related to cardiorespiratory fitness after stroke can provide reference values for patients in clinical rehabilitation exercise. This meta- analysis aimed to investigate the effect of robot-assisted gait training in improving cardiorespiratory fitness in post-stroke patients, compared to conventional rehabilitation training. Methods PubMed, EMBASE, Web of Science, Cochrane Database of Systematic Reviews, CBM, CNKI and Wanfang databases were searched until March 18th, 2024. Randomized controlled trials (RCTs) comparing the effectiveness of robot-assisted gait training versus control group were included. The main outcome variable was peak oxygen uptake. 6-minute walking test, peak heart rate, peak inspiratory expiratory ratio as our secondary indicators. RevMan 5.3 software was used for statistical analysis. Results A total of 17 articles were included, involving 689 subjects. The results showed a significant effect for robot-assisted gait training to improve VO2peak (MD = 1.85; 95% CI: -0.13 to 3.57; p = 0.04) and 6WMT (MD = 19.26; 95% CI: 10.43 to 28.08; p < 0.0001). However, no significant difference favouring robot-assisted gait training were found in HRpeak (MD = 3.56; 95% CI: -1.90 to 9.02; p = 0.20) and RERpeak (MD = -0.01; 95% CI: -0.04 to 0.01; p = 0.34). Conclusion These results showed that robot-assisted gait training may have a beneficial effect in improving VO2peak and 6WMT, with a moderate recommendation level according to the GRADE guidelines.

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Erratum: Niering, M.; Muehlbauer, T. Effects of Physical Training on Physical and Psychological Parameters in Individuals with Patella Tendinopathy: A Systematic Review and Meta-Analysis. Sports 2021, 9, 12

Abstract: The authors would like to correct an error in the name of the condition in the recently published paper [...]

Cited by 3 publications

References 2 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 physical characteristics (speed, strength, and endurance) in women in Saudi Arabia

Effect of robot-assisted gait training on improving cardiopulmonary function in stroke patients: a meta-analysis

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