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Erratum. Effect of Menstrual Cycle Phase and Hormonal Contraceptives on Resting Metabolic Rate and Body Composition

International Journal of Sport Nutrition and Exercise Metabolism

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Standardizing the Quantification of External Load Across Different Training Modalities: A Critical Need in Sport-Science Research

Wissem Dhahbi, Helmi Chaabene, David B. Pyne, and Karim Chamari

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A Comment on González et al: Predicting Injuries in Elite Female Football Players With Global-Positioning-System and Multiomics Data

Lorenzo Lolli

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Response to Lolli: Predicting Injuries in Elite Female Football Players With Global-Positioning-System and Multiomics Data

Juan R. Gonzalez and Gil Rodas

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University Rankings in Sport Science: A True Reflection of Excellence?

Ivana Matic Girard and Olivier Girard

Background: University rankings often serve as benchmarks for excellence in academic evaluation. For example, ShanghaiRanking data from 2016 to 2023 for the Global Ranking of Sport Science Schools and Departments reveal consistent dominance by Australia (23.1%), Canada (18.0%), and the United States (12.0%), collectively counting over half of the top 50 universities worldwide. Nevertheless, there is uncertainty about how the methodology behind these rankings shapes a reality as much as it reflects one. Purpose: Our intention is to discuss the complexity of university rankings, using ShanghaiRanking as an example, to highlight how these rankings reflect academic excellence within the field of sport science. Current Evidence: When ranking universities in sport science, several aspects of academic excellence could be considered in addition to research metrics currently considered in ShanghaiRanking (publication, citation, citations per publication, top 25% journal publications, and internationally collaborated publications). These aspects may include (1) teaching quality, (2) practical training, (3) industry links and employability, (4) support services, (5) facilities and equipment, (6) international network, (7) community engagement, (8) sustainability and ethical practices, and (9) interdisciplinary approach. Altogether, they could provide a more comprehensive view of the quality and effectiveness of a sport-science program. Conclusions: The ranking of sport-science institutions poses a complex challenge due to diverse factors influencing academic excellence. Engaging in a broader dialogue and refining internationally relevant evaluation methodologies are crucial. These steps enable comparability between countries and provide a holistic understanding of the multidimensional nature of academic excellence in sport science.

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Erratum. Sweat Mineral-Element Responses During 7 h of Exercise-Heat Stress

International Journal of Sport Nutrition and Exercise Metabolism

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Optimal Support for Elite Sprinters Using a Minimal, Adequate, and Accurate Approach

Jad Adrian Washif and David B. Pyne

Background: In high-performance sport, the support provided by sport scientists and other staff can be a valuable resource for coaches and athletes. Purpose: We propose and detail here the approach of “minimal, adequate, and accurate” sport-science support to ensure that programs of work and solutions are both economical and effective. Methods: Our support provision advocates for utilization of “minimal” resources (employing the least amount of time, tools, and funding) necessary to achieve the desired outcomes. We strive for “adequate” information that fulfills specific objectives without excess and with the requirement that methods and data used are “accurate” (valid and reliable). To illustrate the principles of this approach, we outline a real-world example of supporting 100-m track (athletics) sprinters preparing and competing in an international competition. The provision of performance support emphasizes an integrated approach, combining knowledge and insights from multiple sport-science disciplines. The key facets managed under this approach are (1) neuromuscular readiness, (2) wellness monitoring, (3) movement observation, (4) motivation, (5) biomechanics and performance analysis, and (6) qualitative feedback. These facets are based on the specific performance determinants and influencing factors of an event (100-m dash). Conclusions: Application of this quantitative and qualitative approach can enhance the ability to make informed decisions. Nevertheless, the approach must be planned, evaluated, and refined on a regular basis to enable effective decision making in sport-science support. The 3-element approach of “minimal, adequate, and accurate” should be codesigned and supported by the athletes, coaches, and staff to ensure successful implementation.

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Training-Load Management Ambiguities and Weak Logic: Creating Potential Consequences in Sport Training and Performance

Stephen West, Ian Shrier, Franco M. Impellizzeri, Jo Clubb, Patrick Ward, and Garrett Bullock

Background: The optimization of athlete training load is not a new concept; however in recent years, the concept of “load management” is one of the most widely studied and divisive topics in sports science and medicine. Purpose: Discuss the challenges faced by sports when utilizing training load monitoring and management, with a specific focus on the use of data to inform load management guidelines and policies/mandates, their consequences, and how we move this field forward. Challenges: While guidelines can theoretically help protect athletes, overzealous and overcautious guidelines may restrict an athlete’s preparedness, negatively influence performance, and increase injury risk. Poor methods, wrong interpretation of study findings, and faulty logic do not allow for systematic scientific evaluations to inform guidelines. Practical Solutions: Guidelines and mandates should be developed through a systematic research process with stronger research designs and clear research questions. Collaborating with statistical and epidemiological experts is essential. Implementing open science principles and sharing all sports training load data increase transparency and allow for more rapid and valid advancements in knowledge. Practitioners should incorporate multiple data streams and consider individual athlete responses, rather than applying broad guidelines based on average data. Conclusion: Many current training load guidelines and mandates in sports come from good intentions; however, they are arbitrary without sound knowledge of the underlying scientific principles or methods. Common sense guidelines are helpful when there is sparse literature, but they should be careful to avoid arbitrarily choosing findings from weak research. Without precise scientific inquiries, implementing training load interventions or guidelines can have negative implications.

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Antidoping 2.0: Is Adding Power-Output Data to the Antidoping Pool the Next Step? Experts’ Viewpoint

Sebastian Sitko, Pedro Valenzuela, Nathan Townsend, Marco Pinotti, Mikel Zabala, Xabier Artetxe, Gabriele Gallo, Manuel Mateo-March, Dajo Sanders, Frédéric Grappe, David C. Clarke, Teun van Erp, and Aitor Viribay

Background: Efforts are needed to improve antidoping procedures. The widespread use of power meters among cyclists could help in this regard. However, controversy exists on whether performance monitoring through power-output data could be of help for antidoping purposes. Purpose: The objective of the present study was to provide insight into the feasibility and utility of implementing power-based performance monitoring in elite cycling. An expert panel of 15 applied sport scientists and professional cycling coaches were asked for their opinions and perspectives on incorporating power data into the antidoping risk-assessment process. Results: Two different viewpoints were identified from the responses provided by the experts. Some believed that power monitoring could be implemented as an antidoping tool, provided that several surmountable challenges are first addressed. These authors provided suggestions related to the potential practical implementation of such measures. Others, on the contrary, believed that power meters lack sufficient reliability and suggest that the professional cycling world presents conflicts of interest that make this intervention impossible to implement nowadays. Conclusions: The debate around the utility of power-meter data in the antidoping fight has been ongoing for more than a decade. According to the opinions provided by the experts’ panel, there is still no consensus on the real utility and practical implementation of this intervention.

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APAQ at Forty: Publication Trends

Jeffrey J. Martin

The purpose of the present study was to analyze Adapted Physical Activity Quarterly (APAQ) publications over the journal’s fourth decade (2014–2023) and compare them with previous documentary analyses of the first 3 decades. Consistent with prior documentary analyses, publications were coded and analyzed based on the use of theory, research participants, topic, whether the study was an intervention, first-author country affiliation, and research method. The total number of published research papers increased substantially (n = 61) from the third to the fourth decade. Similar to prior documentary analyses, most of the research was quantitative (n = 140; 57.5%), followed by qualitative research (n = 96; 39.5%). There were far more qualitative-research publications in the fourth decade compared with the third decade (n = 34). This may reflect the continued acceptance and growth of qualitative research compared with 10–20 years ago. It may also reflect the value of rich in-depth exploratory research using small samples. Additional trends included more review papers and meta-analyses, possibly reflecting the increased knowledge base in particular areas requiring synthesis. The diversity of topics also increased, with papers on dignity, classification, coaching, and the Paralympics playing more prominent roles. The number of international publications also grew substantially. In brief, the current paper outlines both similarities and differences in APAQ’s published research over the 4 decades of its existence.