Injuries and somatic build of athletes practising competitive judo (original) (raw)
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Evaluation of the morphology and physiology of Judokas’ upper body intended to prevent injuries
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Physical fitness and anthropometrical differences between elite and non-elite judo players
The objective of this study was to verify the differences between Elite (Brazilian National and International medallists) and Non-elite (nonmedallists in Brazilian National Tournaments) junior and senior judo players. For this purpose, the following tests and measurements were conducted: (a) skinfold thickness; (b) circumferences; (c) breadths; (d) upper body Wingate test; (e) Special Judo Fitness Test; (f) aerobic power and capacity; (h) Lactate after combat during active recovery (70% of velocity of anaerobic threshold) and passive recovery (rest); (i) Isometric hand grip strength. The groups were compared by means of an ANCOVA (covariates – age and weight) followed by a post-hoc Scheffé test (significance level=5%). Elite group presented better results than Non-elite group in the following variables (p<0.05): circumferences (cm) -flexed arm, forearm, wrist and calf; breadths (cm) – femur and humerus; Wingate Test – Mean and Peak power; Special Judo Fitness Test – number of thr...
Morphological, physiological and technical variables in high-level college judoists
To establish the relations between the following variables: (1) morphological -body weight (BW) and percent body fat (%BF); (2) physiological -performance and blood lactate (LA) after two upper body Wingate tests (2WT), performance and LA after the Special Judo Fitness Test (SJFT), LA before and after a 5-min judo combat simulation; (3) technique and tactic actions -number of attacks (NA), type of techniques, number of different techniques applied and time structure.
PHYSIOLOGICAL, MOTORIC AND ANTHROPOMETRICAL PROFILE OF YOUNG ELITE SLOVAK JUDOKAS
The aim of this study was to discovered and consequently identify physiological, motoric and anthropometrical profile of young elite Slovak judokas. For this purpose we select 8 male judokas, representing Slovakia this year at the age of 18 in different international competitions. The following tests and measurements were conducted: (a) Sterkowicz judo fitness test (SJFT); (b) test of maximal strength power by bench-press and Australian dumbbell pull; (c) skinfold thickness; (d) anaerobic power and capacity using of Wingate test for upper limbs; and (e) VO2max by running on treadmill. After the end of the SJFT, Wingate test and VO2 max test we executed blood lactate measurements. Moreover by these three tests we followed heart rate (HR). After finishing all this procedures we find out following results: SJFT 26,38 (± 1,30) throws and index 12,84 (± 0,71); maximal strength power in bench-press 5,5 (± 0,73) W / kg and maximal strength power by Australian dumbbell pull 6,61 (± 0,50) W ...
Anthropometrical profile of elite Spanish Judoka: Comparative analysis among ages
Archives of Budo
Background Judo athletes usually try to maximize muscle mass and to minimize adiposity in each weight category, but few studies focused on comparisons of different age categories and little is known about sexual dimorphism among judo athletes. The aim of the study was to compare anthropometrical variables in male and female judoka from Spanish National Teams. Material/Methods: Eighty-seven national level Spanish judoka from all seven weight categories took part in this study: females (n=46)-cadet (n=16), junior (n=12) and senior (n=18); males (n=44)-cadet (n=18), junior (n=15) and senior (n=8). Body mass, height, skinfold thickness, circumferences and breadth anthropometric measurements were carried out. Somatotype components, body mass index, body fat and muscle mass were also estimated. A two way (gender and age groups) analysis of variance and Tukey test were used to compare groups. Results: (1) males were heavier, taller, had lower body fat and higher muscle mass absolute and relative values, circumferences and bone diameters, lower endomorphic and higher mesomorphic components than females; (2) for skinfold thickness males presented lower values in limbs' sites than females, but no difference was found in trunk skinfold thicknesses; (3) few differences were found among age categories, with cadets presenting smaller flexed arm circumference and humerus epicondyle bone breadth compared to junior and seniors, and lower absolute muscle mass compared to seniors; (4) tendency for reducing sexual dimorphism in some anthropological dimensions and in endomorphic and mesomorphic components was observed across age categories. Conclusions: Morphologically high level cadet judo athletes are quite similar to older athletes and coaches can select them from these ages. These data can be used as reference to coaches and physical conditioning professionals.
Anthropometric and motor features of young judoists in Vojvodina
Collegium antropologicum, 2010
The aim of the study was to identify differences between trained and untrained subjects with respect to body composition and motor abilities. Two groups of subjects participated in the study: young judoists (110 boys and 56 girls) and their untrained mates (115 boys and 60 girls), aged 11 to 16 years, all from the Province of Vojvodina, Serbia. Young male judoists proved significantly better than their untrained mates in repetitive and static strength exercises, running speed, whole-body coordination, and had lower subcutaneous fat tissue of the upper arm. Young female judoists were significantly better in repetitive strength, whole-body coordination and plate tapping, chest girth and stretched upper arm, and also had lower subcutaneous fat tissue of the upper arm and back.
Retos, 2021
This article aimed to identify general characteristics, etiology, and location of injuries in Judo athletes. A systematic literature search was carried out up to July 2020 on the databases MEDLINE (via PubMed), LILACS (via BVS), and Science Direct to find studies that focused on the type, location, and causes of injuries in Judo athletes of both sexes and older than 18 years old. The following data were extracted from the studies: author/year, study country, sample size, competition level, injury type, location, and context of the injury. The methodological quality of the included studies was assessed by the Critical Appraisal Skills Programme (CASP) tool. A total of 725 studies were retrieved from the databases and 12 were selected. The selected studies involved athletes from national and international levels. The situation of training and competition was the most cited context of injury. Considering injury etiology, the location was generalized in most of the studies and the more frequent injury types were: sprains, strains, dislocations, and fractures. In relation to severity, head and neck injuries were described in 66% of the studies. Our results suggest higher awareness related to technical learning strategies to Judo practitioners that is independent of skill level. Since injury etiology is a multifaceted process, increased efforts must be invested to lower or avoid more severe injuries that are more prone to produce negative outcomes like death or disabilities.
Physical Fitness and Anthropometrical Profile of the Brazilian Male Judo Team
Journal of Physiological Anthropology, 2007
The present study had as objectives (1) to compare the morphological and functional characteristics of the male judo players of the Brazilian Team A (nϭ7) with the judo players of Teams B and C (reserves; nϭ15), and (2) to verify the association between the variables measured. Thus, 22 athletes from the seven Olympic weight categories were submitted to: a body composition evaluation (body mass, height, ten skinfolds, eight circumferences, three bone diameters and percent body fat estimation); the Special Judo Fitness Test (SJFT); maximal strength tests (one repetitionmaximum, 1 RM, in bench press, row, and squat); and the Cooper test. One-way analysis of covariance was used to compare the groups. The relationships between variables were determined by the Pearson coefficient correlation. The significance level was fixed at 5%. No significant difference was found in any variable between them. The main significant correlations observed were between the following variables: VO 2 max and number of throws in the SJFT (rϭ0.79); percent body fat and estimated VO 2 max (rϭϪ0.83) and number of throws in the SJFT (rϭϪ0.70); chest circumference and bench press 1 RM (rϭ0.90) and in the row (rϭ0.80); and thigh circumference and squat 1 RM (rϭ0.86). However, there was no significant correlation between circumferences and 1 RM/kg of body mass. According to these results the main conclusions are: (1) the physical variables measured do not discriminate performance when analysis is directed to the best athletes; (2) a higher percent body fat is negatively correlated with performance in activities with body mass locomotion (Cooper test and the SJFT); (3) judo players with higher aerobic power performed better in high-intensity intermittent exercise; (4) judo players with bigger circumferences present bigger absolute maximal strength.
Biomedical Human Kinetics
Study aim: Understanding the morphological determinants of performance is important for talent identification and optimization of training programs. The aim of this study was to examine the morphological characteristics of male and female cadet judokas considering the sex-related differences and athletic achievements. Material and methods: Seventy-four (30 female and 44 male) cadet judokas from the Bulgarian National Team underwent an anthropometric assessment of height, weight, lengths, circumferences, and 8 skinfolds. Body fat percentage (%BF) was calculated using Slaughter et al. skinfold equations. Absolute and relative muscle mass, and arm and thigh muscle circumferences were also evaluated. Results: Except for the lower limb circumferences and thigh muscle circumference, a significant difference in most body dimensions was observed between the sexes. Male cadets had lower body fatness, but greater muscle mass as compared to female cadets. Medal winners from both sexes had lo...