Context: Several studies were conducted on physiology of apnea in scuba diving. No survey has been reported in fighting sports. Objective: To evaluate cardiovascular variations misled by voluntary apnea during groundw...Context: Several studies were conducted on physiology of apnea in scuba diving. No survey has been reported in fighting sports. Objective: To evaluate cardiovascular variations misled by voluntary apnea during groundwork techniques of judo training. Methods: The temporal evolution of heart rate and modifications of the blood pressure have been investigated during cross sectional and experimental study. A total of 28 Congolese judoists took part in the study. The voluntary apnea was achieved by a judoist to try to carry out two kinds of groundwork (hon-gesagatame and kamishiho-gatame). According to the case, Student t test and analysis of variance were used for comparing data. Multivariate analysis was used to evaluate the effect of “type of groundwork technique × category of weight”. Results: Between 0 and 3 seconds, tachycardia has been observed during the static groundwork techniques and then bradycardia occurred to 3 - 9 seconds for the dynamic groundwork techniques : +6.8% of the rest frequency versus -9.4% for hon-gesa;+4.9% versus -13.7% for kami-shiho. Thereafter, it followed a fluctuation of heart rate of 9 - 15 seconds. Beyond, a stagnation was noted for hongesa, whereas a minimal increase (<5%) for kami-shiho. In relation to the systolic arterial pressure, a meaningful rise was recovered: +46.5% (hon-gesa) versus +50.1% (kami-shiho) in static exercise;+43.4% (hon-gesa) versus +43.3% (kami-shiho) in dynamic exercise. The report was similar for the diastolic arterial pressure: +31.5% (hon-gesa) versus 30.0% (kami-shiho) in static exercise;+20.3% (hon-gesa) versus +23.8% (kami-shiho) in dynamic exercise. Conclusion: The apnea consecutive to the hindrance of an exit groundwork technique to judo drags bradycardia increased while exercise realized static posture, and a rise of the arterial pressure.展开更多
Background: One of the goals for training in judo is to mimic real situations. In subsaharian countries;there is a lack of knowledge considering relation between category of weight and threshold maximum oxidation of l...Background: One of the goals for training in judo is to mimic real situations. In subsaharian countries;there is a lack of knowledge considering relation between category of weight and threshold maximum oxidation of lipids. Objectives: The main objectives of this study were to analyze the effect of category of weight on lipoxmax and to identify the zones of target intensities corresponding to lipoxmax. Materials and Methods:Twenty four male well-training judoists, divided in two groups according to weight, were evaluated during calorimetry effort’ test. For this situation, cardiorespiratory parameters (HR, VO2, VO2max), blood parameter (lactatemia), anthropometric variables and zones of target corresponding to lipox were evaluated. For statistical analysis, Shapiro-Wilks test was used to compare all the data and differences were confirmed by one-way variance. Results: No significant differences were observed among two groups for target intensities to lipox. The judoists of group 1 were aged to 24.1 ± 5.9 years with 1.78 ± 0.07 m versus 20.4 ± 1.6 years with 1.86 ± 0.04 m. Primary results indicated higher intensities for lipoxmax. Also, values of power (% LDC) and VO2 and were significantly higher in the judoists for group 2, with respectively: 45.3 ± 10.2 and 46.4 ± 8.6 ml/min versus 38.2 ± 7.2 and 31.3 ± 7.6 ml/min. Conclusion: High weight in judoists induces high intensities of lipoxmax and change oxidation of lipids markers following training.展开更多
The present commentary is aimed to contribute to the improvement of the judo specific test proposal elaborated and validated by Almansba, Franchini and Sterkowicz (2007) 1) with the aim of evaluating specifically the ...The present commentary is aimed to contribute to the improvement of the judo specific test proposal elaborated and validated by Almansba, Franchini and Sterkowicz (2007) 1) with the aim of evaluating specifically the physical fitness of competing judo practitioners, 2) wishing the test to be representative both qualitatively and quantitatively of the effort sustained by the practitioners. All alone, the test proposal, which utilizes rapid repetitions of one judo technique off-balancing and body positioning by the same practitioner (Uchi-komi) may be usable instead of three non-judo specific tests: the vertical jump test of Sargent (1921), the multistage fitness test of Léger et al. (1984) and the Australian shuttle run test described by Cazorla et al. (2004). However, the judo specific test proposal 1) specificity is still to be increased and must ideally turn into test individualization (using the proposal as a template), as in judo, trained individuals have favorite techniques they use in preference to others;2) represents competing judo practitioners efforts quantitatively but not qualitatively (throws are represented, but neither hold downs, arm-locks, strangle holds nor chokeholds);3) brings subjects to physiological exhaustion but psychological exhaustion emotional component is left out of account. Uchi-komi utilized by the test proposal could better be replaced by continual completions of variable judo techniques by the same practitioner (Kakari-geiko) which allow the practitioner who is attacking by means of judo techniques (Tori) to utilize linked up techniques. Nevertheless, to date, the test proposed for assessing the suitability of judo practitioners to meet competition demands is the most judo specific and the most economic.展开更多
Objective: To evaluate the effects of “strength-velocity” training on the evolution of some cardiorespiratory parameters in postpubertal judoists of the Congolese national elite. Methods: The survey, exploratory, ex...Objective: To evaluate the effects of “strength-velocity” training on the evolution of some cardiorespiratory parameters in postpubertal judoists of the Congolese national elite. Methods: The survey, exploratory, experimental and longitudinal, was about 14 boys, belonging to seven categories of weight of the International Federation of Judo. These judoists, at the level belonged to stages 3, 4 and 5 of the classification to Tanner, of pubertal maturation. Their median age was 16 years (range: 15 - 17 years). All topics have been submitted to “strength-velocity” training, focused around exercises bound to the development of the power and automatisms, from plyometric and isometric training. Three assessments have been realized in the beginning, to mid-training (3 months) and at the end of the program (6 months). The measured values were cardiorespiratory parameters. Results: The heart rate to the doorstep was decreased significantly (p = 0.048), so VO<sub>2</sub> max (p = 0.046), FVC (p = 0.0244) and ratio VEMS/FVC (p = 0.046) as function of pubertal stage. In contrast, increase was not significant for VEMS (p = 0.205) and absolute VO<sub>2</sub> to doorstep (p = 0.097). No significant effect of pubertal state on respiratory frequency was found. On the other hand, strength-velocity training improved cardiorespiratory data. To the recovery of the “strength-velocity test”, the decrease of the VO<sub>2</sub> took place more quickly that the one of the VE, the VCO2 and the HR, variations linked to the category of topic weight. Conclusion: Among high level Congolese postpubertal judoists, the cardiorespiratory modifications induce faculty to the realization of a good performance and pursue objectives of health. However, it is necessary to be heedful as for situations to put in place in sittings at the time of such of “strength-velocity” training.展开更多
Wushu routine techniques were greatly developed during the Song Dynasty (960-1279), mainly to meet the demand for civilian entertainment as well as in military training. More attention began to be paid to bodywork, ph...Wushu routine techniques were greatly developed during the Song Dynasty (960-1279), mainly to meet the demand for civilian entertainment as well as in military training. More attention began to be paid to bodywork, physical strength, and rhythm and movement design. Each routine consisted of a starting position and a finishing position.展开更多
This thesis expounds the body function state change of the female judo athletes and attempts to probe the method of improving the capacity of sports of female judo athletes,through the research of biochemistry index c...This thesis expounds the body function state change of the female judo athletes and attempts to probe the method of improving the capacity of sports of female judo athletes,through the research of biochemistry index change and nutritional interveution effect during their weight loss period.The research objects are 24 judo athletes from Inner Mongolia and they are randomly divided into groups of common loss of weight(n=8),loss of weight with common nutrition(n=8) and loss of weight with nutrition intervening(n=8) according to their weight.The experiment period is 2 weeks.Conclusion:(1)The judo athletes should be enforced with the food rich in Fe and protein to avoid anemia.(2)The nutritional complement like glutamine et cetera can improve the athletes body function and capacity of sports,and relieve fatigue efficiently.展开更多
Unusual Li Lingling The deciding match of judo in the 48-kg category at the Eighth National Games was a showdown between the 27-year-old judo legend Li Aiyue from Zhejiang, the world champion, and a 19-year-old from G...Unusual Li Lingling The deciding match of judo in the 48-kg category at the Eighth National Games was a showdown between the 27-year-old judo legend Li Aiyue from Zhejiang, the world champion, and a 19-year-old from Guangxi Zhuang Autonomous Region named Li Lingling. The fierce competition between the two best judo athletes in China attracted great attention of judo experts and fans. The result? Li Lingling won the championship. Li Lingling grew up in Guilin, a region famous for its beautiful landscape. Although she only began training in展开更多
文摘Context: Several studies were conducted on physiology of apnea in scuba diving. No survey has been reported in fighting sports. Objective: To evaluate cardiovascular variations misled by voluntary apnea during groundwork techniques of judo training. Methods: The temporal evolution of heart rate and modifications of the blood pressure have been investigated during cross sectional and experimental study. A total of 28 Congolese judoists took part in the study. The voluntary apnea was achieved by a judoist to try to carry out two kinds of groundwork (hon-gesagatame and kamishiho-gatame). According to the case, Student t test and analysis of variance were used for comparing data. Multivariate analysis was used to evaluate the effect of “type of groundwork technique × category of weight”. Results: Between 0 and 3 seconds, tachycardia has been observed during the static groundwork techniques and then bradycardia occurred to 3 - 9 seconds for the dynamic groundwork techniques : +6.8% of the rest frequency versus -9.4% for hon-gesa;+4.9% versus -13.7% for kami-shiho. Thereafter, it followed a fluctuation of heart rate of 9 - 15 seconds. Beyond, a stagnation was noted for hongesa, whereas a minimal increase (<5%) for kami-shiho. In relation to the systolic arterial pressure, a meaningful rise was recovered: +46.5% (hon-gesa) versus +50.1% (kami-shiho) in static exercise;+43.4% (hon-gesa) versus +43.3% (kami-shiho) in dynamic exercise. The report was similar for the diastolic arterial pressure: +31.5% (hon-gesa) versus 30.0% (kami-shiho) in static exercise;+20.3% (hon-gesa) versus +23.8% (kami-shiho) in dynamic exercise. Conclusion: The apnea consecutive to the hindrance of an exit groundwork technique to judo drags bradycardia increased while exercise realized static posture, and a rise of the arterial pressure.
文摘Background: One of the goals for training in judo is to mimic real situations. In subsaharian countries;there is a lack of knowledge considering relation between category of weight and threshold maximum oxidation of lipids. Objectives: The main objectives of this study were to analyze the effect of category of weight on lipoxmax and to identify the zones of target intensities corresponding to lipoxmax. Materials and Methods:Twenty four male well-training judoists, divided in two groups according to weight, were evaluated during calorimetry effort’ test. For this situation, cardiorespiratory parameters (HR, VO2, VO2max), blood parameter (lactatemia), anthropometric variables and zones of target corresponding to lipox were evaluated. For statistical analysis, Shapiro-Wilks test was used to compare all the data and differences were confirmed by one-way variance. Results: No significant differences were observed among two groups for target intensities to lipox. The judoists of group 1 were aged to 24.1 ± 5.9 years with 1.78 ± 0.07 m versus 20.4 ± 1.6 years with 1.86 ± 0.04 m. Primary results indicated higher intensities for lipoxmax. Also, values of power (% LDC) and VO2 and were significantly higher in the judoists for group 2, with respectively: 45.3 ± 10.2 and 46.4 ± 8.6 ml/min versus 38.2 ± 7.2 and 31.3 ± 7.6 ml/min. Conclusion: High weight in judoists induces high intensities of lipoxmax and change oxidation of lipids markers following training.
文摘The present commentary is aimed to contribute to the improvement of the judo specific test proposal elaborated and validated by Almansba, Franchini and Sterkowicz (2007) 1) with the aim of evaluating specifically the physical fitness of competing judo practitioners, 2) wishing the test to be representative both qualitatively and quantitatively of the effort sustained by the practitioners. All alone, the test proposal, which utilizes rapid repetitions of one judo technique off-balancing and body positioning by the same practitioner (Uchi-komi) may be usable instead of three non-judo specific tests: the vertical jump test of Sargent (1921), the multistage fitness test of Léger et al. (1984) and the Australian shuttle run test described by Cazorla et al. (2004). However, the judo specific test proposal 1) specificity is still to be increased and must ideally turn into test individualization (using the proposal as a template), as in judo, trained individuals have favorite techniques they use in preference to others;2) represents competing judo practitioners efforts quantitatively but not qualitatively (throws are represented, but neither hold downs, arm-locks, strangle holds nor chokeholds);3) brings subjects to physiological exhaustion but psychological exhaustion emotional component is left out of account. Uchi-komi utilized by the test proposal could better be replaced by continual completions of variable judo techniques by the same practitioner (Kakari-geiko) which allow the practitioner who is attacking by means of judo techniques (Tori) to utilize linked up techniques. Nevertheless, to date, the test proposed for assessing the suitability of judo practitioners to meet competition demands is the most judo specific and the most economic.
文摘Objective: To evaluate the effects of “strength-velocity” training on the evolution of some cardiorespiratory parameters in postpubertal judoists of the Congolese national elite. Methods: The survey, exploratory, experimental and longitudinal, was about 14 boys, belonging to seven categories of weight of the International Federation of Judo. These judoists, at the level belonged to stages 3, 4 and 5 of the classification to Tanner, of pubertal maturation. Their median age was 16 years (range: 15 - 17 years). All topics have been submitted to “strength-velocity” training, focused around exercises bound to the development of the power and automatisms, from plyometric and isometric training. Three assessments have been realized in the beginning, to mid-training (3 months) and at the end of the program (6 months). The measured values were cardiorespiratory parameters. Results: The heart rate to the doorstep was decreased significantly (p = 0.048), so VO<sub>2</sub> max (p = 0.046), FVC (p = 0.0244) and ratio VEMS/FVC (p = 0.046) as function of pubertal stage. In contrast, increase was not significant for VEMS (p = 0.205) and absolute VO<sub>2</sub> to doorstep (p = 0.097). No significant effect of pubertal state on respiratory frequency was found. On the other hand, strength-velocity training improved cardiorespiratory data. To the recovery of the “strength-velocity test”, the decrease of the VO<sub>2</sub> took place more quickly that the one of the VE, the VCO2 and the HR, variations linked to the category of topic weight. Conclusion: Among high level Congolese postpubertal judoists, the cardiorespiratory modifications induce faculty to the realization of a good performance and pursue objectives of health. However, it is necessary to be heedful as for situations to put in place in sittings at the time of such of “strength-velocity” training.
文摘Wushu routine techniques were greatly developed during the Song Dynasty (960-1279), mainly to meet the demand for civilian entertainment as well as in military training. More attention began to be paid to bodywork, physical strength, and rhythm and movement design. Each routine consisted of a starting position and a finishing position.
文摘This thesis expounds the body function state change of the female judo athletes and attempts to probe the method of improving the capacity of sports of female judo athletes,through the research of biochemistry index change and nutritional interveution effect during their weight loss period.The research objects are 24 judo athletes from Inner Mongolia and they are randomly divided into groups of common loss of weight(n=8),loss of weight with common nutrition(n=8) and loss of weight with nutrition intervening(n=8) according to their weight.The experiment period is 2 weeks.Conclusion:(1)The judo athletes should be enforced with the food rich in Fe and protein to avoid anemia.(2)The nutritional complement like glutamine et cetera can improve the athletes body function and capacity of sports,and relieve fatigue efficiently.
文摘Unusual Li Lingling The deciding match of judo in the 48-kg category at the Eighth National Games was a showdown between the 27-year-old judo legend Li Aiyue from Zhejiang, the world champion, and a 19-year-old from Guangxi Zhuang Autonomous Region named Li Lingling. The fierce competition between the two best judo athletes in China attracted great attention of judo experts and fans. The result? Li Lingling won the championship. Li Lingling grew up in Guilin, a region famous for its beautiful landscape. Although she only began training in