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Kowalczyk M, Zgorzalewicz-Stachowiak M, Kostrzewa M. Health Outcomes of Judo Training as an Organized Physical Activity for Children and Adolescents: A Literature Review. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1290. [PMID: 37628289 PMCID: PMC10453300 DOI: 10.3390/children10081290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023]
Abstract
Judo, an organized physical activity for children and adolescents, has gained popularity worldwide. Physical activity is vital during times of rising obesity and a sedentary lifestyle in this age group. The article aims to review the current knowledge of the health benefits of judo-specific exercises for children and youth. Six international scientific databases (PubMed, Scopus, UpToDate, Web of Science, EBSCOhost, and Google Scholar) were searched from 1 January 2007 to 30 September 2022. The search focused on health-related factors regarding healthy preschool and school-aged judo practitioners. Sixteen original studies met the inclusion criteria. School-aged children aged 7-15 years were included in the analysis. The average training time was between two and six hours a week, with the judo intervention mainly ranging from nine months to three years. Most studies registered positive changes caused by judo training. The outcomes focused on maintaining or reducing body fat, increasing bone mineralization, and improving the function of the cardiorespiratory system compared to the non-practicing control group. However, there were no differences between judo and other sports groups. The main conclusions presented health benefits from judo-specific training in school-aged children and may support the World Health Organization recommendations concerning daily physical activity.
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Affiliation(s)
- Monika Kowalczyk
- Department of Health Prophylaxis, University of Medical Sciences, 61-701 Poznan, Poland;
| | | | - Maciej Kostrzewa
- Institute of Sport Science, The Jerzy Kukuczka Academy of Physical Education in Katowice, 40-065 Katowice, Poland;
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Khalil N, Pinti A, El Hage R. The Effects of a 1-Year Recreational Kung Fu Protocol on Bone Health Parameters in a Group of Healthy Inactive Young Men. J Clin Densitom 2023; 26:101418. [PMID: 37356377 DOI: 10.1016/j.jocd.2023.101418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 06/05/2023] [Indexed: 06/27/2023]
Abstract
The main aim of the current study was to explore the effects of a 1-year recreational Kung Fu protocol on bone health parameters (bone mineral content (BMC), bone mineral density (BMD), femoral neck geometry and composite indices of femoral neck strength) in a group of healthy inactive young men. 54 young inactive men voluntarily participated in this study, but only 51 of them completed it. The participants were assigned to 2 different groups: control group (n=31) and Kung Fu group (n=20). The Kung Fu group performed two sessions of recreational Kung Fu per week; the duration of each session was 45 minutes. The current study has demonstrated that whole body (WB) BMC, ultra-distal (UD) radius BMD, 1/3 radius BMD, total radius BMD, total forearm BMD, maximal strength, maximum oxygen consumption and jumping performance increased in the Kung Fu group but not in the control group. The percentages of variations in WB BMC, forearm BMD and physical performance parameters were significantly different between the two groups. In conclusion, this study suggests that recreational Kung Fu is an effective method to improve WB BMC, forearm BMD and physical performance parameters in young inactive men.
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Affiliation(s)
- Nour Khalil
- Department of Physical Education, Faculty of Arts and Sciences, University of Balamand, Kelhat El-Koura, Lebanon; Université Polytechnique Hauts-de-France, INSA Hauts-de-France, LARSH - Laboratoire de Recherche Sociétés & Humanités, F-59313 Valenciennes, France
| | - Antonio Pinti
- Université Polytechnique Hauts-de-France, INSA Hauts-de-France, LARSH - Laboratoire de Recherche Sociétés & Humanités, F-59313 Valenciennes, France
| | - Rawad El Hage
- Department of Physical Education, Faculty of Arts and Sciences, University of Balamand, Kelhat El-Koura, Lebanon.
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Massini DA, de Souza Martins ND, de Oliveira TP, Macedo AG, Castro EA, Almeida TAF, Santos FJ, Espada MC, Pessôa Filho DM. The effect of the exercise environment and the level of involvement on bone mineral health. J Bone Miner Metab 2023; 41:113-123. [PMID: 36422677 DOI: 10.1007/s00774-022-01387-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 10/31/2022] [Indexed: 11/25/2022]
Abstract
INTRODUCTION This study aimed to compare athletes practicing exercise in different environments with non-active young and elderly men and women regarding bone mineral density (BMD), hypothesizing that BMD values differ between athletes according to the environment of exercise practice, but those training in a low-gravitational environment have no different stimuli to BMD increasing if compared with healthy peers experiencing reduced exercise involvement, whatever the age group and sex. MATERIALS AND METHODS 104 participants of both sexes were selected according to the environment of exercise practice [swimmers (N = 26) and judo fighters (N = 26)], and exercise level of involvement [non-active young (N = 26) and older adults (N = 26)]. Dual-energy X-ray absorptiometry provided BMD, lean mass, and fat mass (FM) for the whole body (WB), upper (UL), and lower limbs (LL). RESULTS For the BMD in WB, UL and LL no effects of group and sex were observed (p > 0.05). Post-hoc analyses detected higher values of BMD in UL for female swimmers compared to non-active older adults (p < 0.05), while judo fighters showed higher BMD in WB, UL, and LL than other participants whatever the sex (p < 0.01). Lower FM was observed for WB, UL, and LL when swimmers and judo fighters were compared to non-active young and older female peers (p < 0.01). CONCLUSION The findings emphasized that BMD stimuli with swimming are reduced when compared to judo, and despite the stimuli in swimming is not distinguishable from that affecting BMD in WB, UL and LL of non-active young, it is effective in differing BMD in UL among non-active older for women.
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Affiliation(s)
- Danilo A Massini
- Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro, 13506-900, Brazil
| | - Nilson D de Souza Martins
- Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro, 13506-900, Brazil
- University Centre of São Paulo State, UNICEP, Rio Claro, São Paulo, 13500-200, Brazil
| | - Thiago P de Oliveira
- Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro, 13506-900, Brazil
| | - Anderson G Macedo
- Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro, 13506-900, Brazil
| | - Eliane A Castro
- Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro, 13506-900, Brazil
- Department of Physical Education, São Paulo State University (UNESP), Bauru, 17033-360, Brazil
- LFE Research Group, Universidad Politécnica de Madrid (UPM), Madrid, Spain
| | - Tiago A F Almeida
- Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro, 13506-900, Brazil
- Department of Physical Education, São Paulo State University (UNESP), Bauru, 17033-360, Brazil
| | - Fernando J Santos
- School of Education, Polytechnic Institute of Setúbal, 2914-504, Setúbal, Portugal
- Life Quality Research Centre, Complexo Andaluz, Apartado, 2040-413, Rio Maior, Portugal
| | - Mário C Espada
- School of Education, Polytechnic Institute of Setúbal, 2914-504, Setúbal, Portugal
- Life Quality Research Centre, Complexo Andaluz, Apartado, 2040-413, Rio Maior, Portugal
| | - Dalton M Pessôa Filho
- Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro, 13506-900, Brazil.
- Department of Physical Education, São Paulo State University (UNESP), Bauru, 17033-360, Brazil.
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Volleyball practice increases bone mass in prepubescent boys during growth: A 1-yr longitudinal study. PLoS One 2022; 17:e0266257. [PMID: 35390047 PMCID: PMC8989292 DOI: 10.1371/journal.pone.0266257] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 03/18/2022] [Indexed: 11/19/2022] Open
Abstract
The aim of this longitudinal study was to examine the effects of 1-yr of volleyball practice on the bone mass development in the growing skeleton among prepubescent children. Twenty volleyball players and nine teen matched control boys (Tanner stage 1, at the start of the study) were followed over a 1-yr period. Bone mineral density (BMD, g/cm2), bone mineral content (BMC, g) were measured by dual-energy X-ray absorptiometry on the whole body, lumbar spine (L2–L4), legs, arms, femoral necks, hips and radii. At follow-up, in comparison with controls, volleyball players gained more BMD in whole body (4.5% vs 1.7%; p = 0.014), both nondominant and dominant arms (5.8% vs 1.1% p = 0.005, and 6% vs 2.1%; p = 0.003, respectively), both nondmoninat and dominant legs (9% vs 4.8%; p = 0.005 and 10.7% vs 6% p = 0.0025; respectively), dominant ultradistal radius (10.4% vs 0.9%; p = 0.005), dominant third distal radius (9.6% vs 3.71%; p = 0.023), dominant whole radius (7.4% vs 3.1%; p = 0.017), lumbar spine L2-L4 (9.9% vs 2.8%; p = 0.004), femoral neck (4.7% vs 1.6%; p = 0.034), trochanter (6% vs 1.5%; p<0.001) and total hip (6.1% vs 2.6%; p = 0.006). Volleyball players gained more BMC in both nondominant and dominant arms (25.1% vs 13.4%; p = 0.003, and 26.1% vs 15.6%; p<0.001 respectively), both nondominant and dominant legs (20.2% vs 14.5%; p = 0.004 and 23% vs 16%; p = 0.004, respectively), dominant ultradistal radius (22.4% vs 8.7%; p = 0.002), dominant third distal radius (20.9% vs 5.9%; p = 0.001), dominant whole radius (20% vs 13%), nondominant third distal radius (14.5% vs 5.9%; p = 0.001), nondominant whole radius (21.1% vs 12%; p = 0.002), lumbar spine L2-L4 (21.1% vs 13.7%; p = 0.007), femoral neck (25.9% vs 8.7%; p = 0.007), trochanter (23.5% vs 17.1%; p = 0.006), and total hip (16.3% vs 11.3%; p = 0.009) than controls. A close correlation was observed between the increment (Δ) of whole body lean mass and increased (Δ) BMD and BMC in whole body (r = 0.43, p<0.01, r = 0.73, p<0.001; respectively), lumbar spine (r = 0.54, r = 0.61, p<0.001; respectively), trochanter (r = 0.46, p<0.01, r = 0.35, p<0.05; respectively), and total hip (r = 0.53, p<0.01, r = 0.6, p<0.0001; respectively). In summary, 1-yr of volleyball practice has an osteogenic effect on bone mass in loaded sites in prepubescent boys.
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Principles of Judo Training as an Organised Form of Physical Activity for Children. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19041929. [PMID: 35206114 PMCID: PMC8872033 DOI: 10.3390/ijerph19041929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 02/04/2023]
Abstract
When organising judo training for children, it is essential to ensure maximum safety, and use an appropriate training methodology adapted to the age of the youngest judo athletes. This paper aims to review the current literature containing judo training principles and safety-related considerations for preschool (4-6 years) and school-age (7-12 years) children as an organised physical activity. Data were collected until October 2021 from eight international scientific databases (PubMed, Scopus, UpToDate, Web of Science, Cochrane, EBSCOhost, ScienceDirect, Google Scholar). In the overviews, we found various times and frequencies of judo training for children. In preschool, the training time was 30-60 min with a frequency of 2-3 times per week, whereas in the school-age group, the training time was extended from 45 to 90 min 3-4 times per week. The most common injuries included upper arm injuries, followed by those of the lower limbs. In the future, it would be an advantage to systematise the methodology of judo training as an organised form of physical activity that can complement the daily dose of exercises recommended by the World Health Organization for maintaining children's general health.
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Kozina Z, Pushkar N, Ogar G. Интегральная методика физической подготовки юных дзюдоистов на начальном этапе. HEALTH, SPORT, REHABILITATION 2018. [DOI: 10.34142/hsr.2018.04.03.07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
Цель работы: разработать и обосновать интегральную методику физической подготовки дзюдоистов по применению упражнений из других видов спорта. Метериал и методы. В исследованиях принимали участие 30 человек (юные дзюдоисты 10-11 лет) ДЮСШ «ХТЗ». Исследуемых была разделена на контрольную и экспериментальную группы. До начала эксперимента юные дзюдоисты контрольной и экспериментальной групп статистически достоверно не отличались по исследуемым показателям. Разработанная методика применялась в течение шести месяцев (с октября 2017 по март 2018). Юные дзюдоисты контрольной группы тренировались по общепринятой методике развития скоростно-силовых качеств, в свою очередь исследуемые юные борцы ЭГ - по разработанной методике. В экспериментальной группе применялись также упражнения из других видов спорта (спортивные игры, легкая атлетика). Результаты. Экспериментальная методика, ориентированная на акцентированное совершенствование физических качеств с применением средств игровой направленности, средств из других видов спорта (спортивные игры, легкая атлетика), обеспечивает достижение юными дзюдоистами 10-11 лет большого прироста скоростно-силовой выносливости и взрывной силы, чем тренировки, традиционно направлено на развитие двигательных качеств. Выводы. Увеличение объема физических упражнений игрового характера, а также упражнений из других видов спорта (легкая атлетика, спортивные игры) в подготовке юных дзюдоистов следует рассматривать как один из путей повышения эффективности системы спортивной подготовки спортсменов на начальном этапе подготовки. Экспериментальная программа является более эффективной по сравнению с традиционной программой тренировки, которая использовалась в контрольной группе.
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