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Analysis of institutional authors

De La Morena, Jose Manuel DelfaAuthor

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Cross sectional analysis of muscular strength and flexibility during the menstrual cycle in women engaged in strength training

Publicated to:Retos. Nuevas Tendencias En Educación Física, Deporte Y Recreación. 55 (55): 704-709 - 2024-01-01 55(55), DOI: 10.47197/retos.v55.104259

Authors: Pereira, Maria Vitoria do Nascimento; Paes, Pedro Pinheiro; Costa, Marlene Salvina Fernandes; Freitas, Igor Lima Tavares; Feitosa, Rubem Cordeiro; de la Morena, Jose Manuel Delfa; Santos, Walmir Romario; Santos, Wlaldemir Roberto

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Abstract

Hormonal variations during the menstrual cycle (MC) impact muscular strength and flexibility in women practicing strength training, potentially leading to performance reductions and increased injury susceptibility. Understanding these variations across MC phases is crucial for precise training program guidance. This cross-sectional, exploratory study assessed muscular strength and flexibility levels during the MC in 20 women (aged 20-35) engaged in strength training for at least 6 months. The Sit and Reach Test (SRT) measured flexibility, and the 1-Maximum Repetition Test (1RM) leg extension evaluated muscular strength during menstrual, postmenstrual, and pre-menstrual phases. While the post-menstrual period showed the highest strength values (50.65 +/- 17.70 kg), no significant differences were observed compared to other phases. However, flexibility was significantly higher in the post-menstrual period (29.43 +/- 8.69 cm) compared to menstrual (p=0.002) and pre-menstrual phases (p=0.001). Statistically, no significant differences were found in strength performance. Nevertheless, flexibility appeared influenced by MC phases, with superior outcomes in the post-menstrual period. This research enhances our understanding of how MC phases may impact strength and flexibility in women engaged in strength training, providing valuable insights for tailoring training programs to individual needs.

Keywords

Exercise performanceFlexibilitFlexibilityHormonal fluctuationsStrength trainingWomen's fitness

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Retos. Nuevas Tendencias En Educación Física, Deporte Y Recreación due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position , thus managing to position itself as a Q2 (Segundo Cuartil), in the category Education. Notably, the journal is positioned en el Cuartil Q3 for the agency WoS (JCR) in the category Hospitality, Leisure, Sport & Tourism.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-06-06:

  • Scopus: 3

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-06:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 18 (PlumX).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Brazil.