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Medicina
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Physiological, Biomechanical, and Psychological Aspects of Endurance Sports
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Physiological, Biomechanical, and Psychological Aspects of Endurance Sports

A special issue of Medicina (ISSN 1648-9144). This special issue belongs to the section "Sports Medicine and Sports Traumatology".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 3168

Special Issue Editor

Dr. Ivan Cuk

E-Mail Website
Guest Editor
Faculty of Sport and Physical Education, University of Belgrade, Blagoja Parovića 156, 11000 Belgrade, Serbia
Interests: biomechanics; movement analysis; motor control; endurance sports; running; strength & conditioning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Endurance athletes have been the focus of scientific investigation for more than a century. Nevertheless, professional and recreational endurance athletes are in the constant research spotlight in the new millennium due to a tremendous worldwide increase in endurance sport participation among men and women of all ages. Moreover, recent technological and medical breakthroughs (e.g., small and light wearables, smart monitoring systems, nutrition and supplementation methods, etc.) have offered new and unique ways to investigate numerous aspects of endurance athletes.

This Special Issue aims to expand our knowledge of endurance sports and their participants. In particular, we aim to obtain novel physiological, biomechanical, and psychological findings related to the performance, nutrition, and health of endurance athletes.

Authors are invited to submit letters, original research papers, case studies, meta-analyses, reviews, and viewpoints focusing on novel findings on the important aspects of endurance sports and their participants. Manuscripts on the physiological, biomechanical, and psychological aspects of long and ultra-distance runners, cyclists, swimmers, cross-country skiers, and other endurance sports participants will be considered for publication in this Special Issue. 

Dr. Ivan Ćuk
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Medicina is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • marathon
  • running
  • cycling
  • endurance
  • pacing
  • physiology
  • psychology
  • muscle
  • fitness
  • health

Published Papers (2 papers)

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Research

12 pages, 327 KiB  
Article
Sweat Rate, Sweat Sodium Losses, and Body Composition in Professional Male Soccer Players in Southwest Colombia
by Milton Fabian Suarez-Ortegón, Maria del Pilar Zea-León, Angelica Maria Astudillo-Gironza, Silverio Garzón, Gustavo Fabian Portela and Oscar Daniel Villarreal-Nieto
Medicina 2024, 60(1), 113; https://doi.org/10.3390/medicina60010113 - 07 Jan 2024
Viewed by 1499
Abstract
Background and Objective: Dehydration and hyperhydration impact athletes’ performance. Exploring the fluid balance concerning body composition might help estimate individual hydration requirements. This area of research, particularly regarding sodium losses, has been relatively understudied. We evaluated the sweat rate (SR), sweat sodium [...] Read more.
Background and Objective: Dehydration and hyperhydration impact athletes’ performance. Exploring the fluid balance concerning body composition might help estimate individual hydration requirements. This area of research, particularly regarding sodium losses, has been relatively understudied. We evaluated the sweat rate (SR), sweat sodium losses, and their relationship with body composition in professional soccer players in Cali, Colombia. Materials and Methods: Thirty-two male players, aged 24.3 (±5.2) years, from the Colombian main soccer league, underwent high-intensity training at 32 °C (with a relative humidity of 79%). The outcome variables included SR, calculated using weight loss and fluid intake; forearm sweat sodium concentration (FSCC), measured through the direct ion-selective electrode method; and estimated the predicted whole sweat sodium loss (PWSSL) in mmol. Predictor variables (body mass, fat, and muscle masses) were estimated using the Deborah Kerr anthropometry method. The association between predictors and outcomes was assessed using linear regression. Results: The mean FSCC, PWSSL, and SR were 26.7 ± 11.3 mmol/L, 43 ± 15.9 mmol/L, and 1.7 ± 0.5 L/h, respectively. Body mass positively predicted FSCC in unadjusted and age/fat-mass-adjusted models [Beta 1.28, 95% confidence interval (CI) 0.39–2.18, p = 0.006], and continued related to FSCC after adjustment for muscle mass with marginal significance [Beta 0.85, 95% CI −0.02 to 1.73, p = 0.056]. Muscle mass was associated with the PWSSL in unadjusted and age/fat-mass-adjusted models [Beta 2.42, 95% CI 0.58–4.26, p = 0.012] and sustained an association with marginal statistical significance after adjustment for body mass [Beta 1.86, 95% CI −0.35 to 4.09, p = 0.097]. Conclusions: Under hot tropical weather conditions, FSCC was relatively low among the players. Body mass was better associated with the FSSC, and muscle mass better related to the PWSSL. Body and muscle masses could be regarded as potential factors to be explored in the estimation of individual sodium needs. However, further studies are required to validate and contrast our findings. Full article
(This article belongs to the Special Issue Physiological, Biomechanical, and Psychological Aspects of Endurance Sports)
14 pages, 1339 KiB  
Article
Blood and Salivary Cortisol Variations in Athletes in Relation to Cardiopulmonary Exercise Testing
by Cezar Honceriu, Mihai Roca, Alexandru Dan Costache, Beatrice Abălașei, Lucian Popescu, Alexandru Rareș Puni, Alexandra Maștaleru, Andra Oancea, Andrei Drugescu, Cristina Adam, Ovidiu Mitu, Irina-Iuliana Costache, Maria Magdalena Leon, Iulia Cristina Roca, Veronica Mocanu and Florin Mitu
Medicina 2023, 59(10), 1726; https://doi.org/10.3390/medicina59101726 - 27 Sep 2023
Viewed by 1049
Abstract
Background and Objectives: Cortisol is a valuable marker for assessing the body’s response to any form of stress. We conducted this study in order to evaluate the variations of salivary and serum cortisol levels in professional football players in relation to cardiopulmonary [...] Read more.
Background and Objectives: Cortisol is a valuable marker for assessing the body’s response to any form of stress. We conducted this study in order to evaluate the variations of salivary and serum cortisol levels in professional football players in relation to cardiopulmonary exercise testing (CPET) and their significance in potentially evaluating overtraining in athletes. Also, the question of whether salivary cortisol determination could fully substitute serum sampling was addressed. Materials and Methods: A total of 19 male professional football players were evaluated by measuring serum cortisol levels at rest (T0) and immediately after a CPET (T1) and salivary cortisol levels at rest (T0), 10 min after a CPET (T2), and 30 min after a CPET (T3). Results: T0 serum cortisol showed a statistically significant correlation with the oxygen uptake at the anaerobic threshold divided by the body weight (VO2-AT/weight), as did the T2 salivary cortisol with the maximum oxygen uptake at the anaerobic threshold (VO2-AT) and VO2-AT/weight. T0 salivary cortisol was significantly correlated with the subjects’ height and the predicted O2 pulse. Conclusions: While some correlations were discovered, they are insufficient to recommend cortisol as a routine biomarker in athletes’ evaluation. However, significant correlations were established between salivary and serum determinations, meaning that the non-invasive procedure could substitute venous blood sampling. Full article
(This article belongs to the Special Issue Physiological, Biomechanical, and Psychological Aspects of Endurance Sports)
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