Bacterial skin infections are very common and trigger destruction of the skin integrity. Impetigo is a consequence of group A beta-hemolytic streptococcus or Staphylococcus aureus infection. The clinical presentation in general is very typical and empiric treatment is usually successful. In cases of close contacts such as between classmates, athletes, or soldiers, the prompt recognition and appropriate treatment of the infection may stop an epidemic. We report a group of six soldiers who shared the same military equipment (physical shields) during hand-to-hand combat training. All of the soldiers had skin lesions and two of them suffered from systemic symptoms. Group A beta-hemolytic streptococcus and S. aureus were cultured from the impetiginous lesions. All patients recovered after systemic and/or local antibiotic treatments. These cases emphasize the need for the maintenance of proper hygiene throughout the training program to prevent spread of the disease and the importance of rapid diagnosis by bacteriological identification.
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http://dx.doi.org/10.7205/milmed.170.11.972 | DOI Listing |
Acta Bioeng Biomech
September 2024
Uzbek State University of Physical Education and Sport, Republic of Uzbekistan.
The aim of the research was to develop the design of a striking dummy and the theoretical foundations of martial arts strikes and to test its effectiveness in a pedagogical experiment. This paper presents the design of a striking dummy and the foundational theories behind martial arts strikes. We used modern microelectronics, including a diverse range of sensors, for executing a multitude of electromechanical measurements.
View Article and Find Full Text PDFHealthcare (Basel)
January 2025
Faculty of Physical Education and Sports, Wroclaw University of Health and Sport Sciences, 51-612 Wrocław, Poland.
To date, the health effects of karate have not been identified. Therefore, the aim of this article is to learn more about the health effects of karate training based on a review of current research. The Scopus database was searched from 2000 onwards for available articles related only to karate.
View Article and Find Full Text PDFHum Nat
June 2024
School of Psychology, The University of the Sunshine Coast, Sunshine Coast, QLD, Australia.
Humans have undergone a long evolutionary history of violent agonistic exchanges, which would have placed selective pressures on greater body size and the psychophysical systems that detect them. The present work showed that greater body size in humans predicted increased knockout power during combative contests (Study 1a-1b: total N = 5,866; Study 2: N = 44 openweight fights). In agonistic exchanges reflective of ancestral size asymmetries, heavier combatants were 200% more likely to win against their lighter counterparts because they were 200% more likely to knock them out (Study 2).
View Article and Find Full Text PDFFront Sports Act Living
April 2024
College of Sports Science, Shenyang Normal University, Shenyang, China.
Introduction: In being an important lifestyle factor, the physical activity influences people's health status, including life expectancy. Specific forms of physical activity are exercises related to hand-to-hand combat in the broadest sense, often overlapping and containing similar elements associated with combat sports (for Western culture) and martial arts (for Far Eastern culture). There are many types of forms of practising hand-to-hand combat exercises, which can be seen as opposing or in some ways complementary, e.
View Article and Find Full Text PDFSensors (Basel)
March 2024
Department of Mechanical Systems Engineering, Tokyo Metropolitan University, 6-6 Asahigaoka, Hino 191-0065, Tokyo, Japan.
In the era of expanding manned space missions, understanding the biomechanical impacts of zero gravity on human movement is pivotal. This study introduces a novel and cost-effective framework that demonstrates the application of Microsoft's Azure Kinect body tracking technology as a motion input generator for subsequent OpenSim simulations in weightlessness. Testing rotations, locomotion, coordination, and martial arts movements, we validate the results' realism under the constraints of angular and linear momentum conservation.
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