Health Impact and Physiology Changes of CrossFit

A special issue of Life (ISSN 2075-1729). This special issue belongs to the section "Physiology and Pathology".

Deadline for manuscript submissions: closed (15 November 2021) | Viewed by 4404

Special Issue Editors


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Guest Editor
Institute for Sports Science, Faculty of Human Sciences, University of the Federal Armed Forces Munich, 85579 Neubiberg, Germany
Interests: physiology of CrossFit; nutrition; supplementation; performance enhancement; health

E-Mail Website
Guest Editor
1. CrossFit Kokoro, 85579 Neubiberg, Germany
2. Comprehensive Cancer Center Munich CCCLMU, 80337 Munich, Germany
Interests: CrossFit; cancer; chronic diseases; eHealth

Special Issue Information

Dear Colleagues,

CrossFit is the best known and most successful high-intensity interval training (HIIT) concept. Today, there are more than 15,000 CrossFit affiliates worldwide. While the number of people performing CrossFit is continuously increasing, however, CrossFit’s sports science is only just beginning.

Hundreds or maybe thousands of narrative reports describing the individual experience of how CrossFit has changed health and life are available. Scientific evidence is mostly missing, though. These individual reports suggest that the CrossFit training concept works effectively, but it is not evaluated or understood why and how. Research on the physiological basics, effects, or changes triggered by this training concept has just yet started.

CrossFit offers many people a new perspective, motivated by the community character, inspired to surpass themselves. Thanks to its scalability, it helps everyone to find an entry point, regardless of whether they are members of special forces, professional athletes from other disciplines, or patients with chronic or non-communicable diseases, disabled, restricted in mobility, overweight, or just untrained. This sport has not only a physiological but also a psychological component, which also needs to be investigated.

CrossFit, however, is not only a sport. Its understanding of nutrition and eating behavior is based on a so-called “Zone Diet”. People must track their macro-nutrition and reach an intended balance between carbohydrates, fat, and proteins. A scientifically profound understanding of sports nutrition in connection with CrossFit is therefore also desired. 

Prof. Dr. Annette Schmidt
Prof. Dr. Timo Schinköthe
Guest Editors

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Keywords

  • crossfit training
  • physiology
  • health
  • quality of life
  • sports psychology
  • nutrition

Published Papers (1 paper)

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Research

10 pages, 569 KiB  
Article
Comparison of Physiological Responses and Training Load between Different CrossFit® Workouts with Equalized Volume in Men and Women
by Ronam Toledo, Marcelo R. Dias, Ramon Toledo, Renato Erotides, Daniel S. Pinto, Victor M. Reis, Jefferson S. Novaes, Jeferson M. Vianna and Katie M. Heinrich
Life 2021, 11(6), 586; https://0-doi-org.brum.beds.ac.uk/10.3390/life11060586 - 20 Jun 2021
Cited by 13 | Viewed by 3066
Abstract
The purpose of the present study was to compare the heart rate (HR), blood lactate and training load between different CrossFit® workouts, with equalized total work volumes in men and women. The study included 23 individuals (13 men and 10 women) experienced [...] Read more.
The purpose of the present study was to compare the heart rate (HR), blood lactate and training load between different CrossFit® workouts, with equalized total work volumes in men and women. The study included 23 individuals (13 men and 10 women) experienced in CrossFit® training, who performed two workouts with different training types (as many reps as possible (AMRAP) and ‘for time’) but an equalized volume. Measurements of lactate, HR and rating of perceived exertion (RPE) were performed. The results show that there was no HR interaction between workout time and sex (p = 0.822; η2 = 0.006) and between workout type and sex (p = 0.064, η2 = 0.803). The HR significantly differed during each workout type (p < 0.001, η2 = 0.621), but not between the two workout types (p = 0.552, η2 = 0.017). Lactate showed no difference between the workout types (p = 0.474, η2 = 0.768), although the training load was higher (p = 0.033, η2 = 0.199) in women when they performed AMRAP. Altogether, the HR was not significantly different between training types or sex, while RPE, lactate and training load showed statistically significant differences depending on the group (women or men) or workout type (AMRAP or ‘for time’). Full article
(This article belongs to the Special Issue Health Impact and Physiology Changes of CrossFit)
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