Pub Date : 2012-12-31DOI: 10.5604/17342260.1024764
S. Brown
{"title":"A COMPARISON OF METHODS TO DETERMINE VENTILATORY EFFICIENCY IN ATHLETES","authors":"S. Brown","doi":"10.5604/17342260.1024764","DOIUrl":"https://doi.org/10.5604/17342260.1024764","url":null,"abstract":"","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"20 1","pages":"140-145"},"PeriodicalIF":0.0,"publicationDate":"2012-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89898445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-12-31DOI: 10.5604/17342260.1024770
P. Kutáč
{"title":"APPLICATION OF TYPICAL ERROR OF MEASUREMENT FOR ACCURACY OF MEASUREMENT OF BODY COMPOSITION IN ATHLETES USING THE BIA METHOD","authors":"P. Kutáč","doi":"10.5604/17342260.1024770","DOIUrl":"https://doi.org/10.5604/17342260.1024770","url":null,"abstract":"","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"19 1","pages":"150-154"},"PeriodicalIF":0.0,"publicationDate":"2012-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78990898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-12-31DOI: 10.5604/17342260.1024780
G. Lutosławska, J. Tkaczyk, A. Kęska
{"title":"MYOSTATIN AND ITS ROLE IN THE REGULATION OF MUSCLE MASS AND METABOLISM","authors":"G. Lutosławska, J. Tkaczyk, A. Kęska","doi":"10.5604/17342260.1024780","DOIUrl":"https://doi.org/10.5604/17342260.1024780","url":null,"abstract":"","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"194 ","pages":"165-174"},"PeriodicalIF":0.0,"publicationDate":"2012-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72419822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-12-31DOI: 10.5604/17342260.1024761
T. Küpper, V. Jacobson, Sarah Müller, Michael Müller, C. Westphal
Objective: To evaluate the effect of a multimodular therapy concept (endurance training, strength training, and diet) on proinsulin in patients with metabolic syndrome and non-insulin dependent diabetes. Methods: Prospective cohort study (n = 22), prepost-evaluation. Data evaluated: BMI, HbA1c, proinsulin, body fat, serum glucose. Observation period three months. Results: Proinsulin showed a tendency to normal values (n.s.). When those patients who took metformin (n = 7) only, the effect was significant (P < 0.05). BMI, body fat and body weight decreased significantly (P < 0.001). HbA1c did not change significantly. Conclusions: Although the effect of decrease of body mass may be partially camouflaged because there was an increase of muscle mass (heavier than fat), the concept has been proven to be an effective strategy to decrease several risk factors on metabolic syndrome. Further investigations are necessary to detect subgroups of patients who may have the optimal benefit and more data are necessary to establish an optimized structure of the training for the patients. Such studies should cover longer observation periods (6 months or more).
{"title":"Adaptation of the endogenous insulin secretion in non-insulin-dependent diabetes by an individual sport therapeutic intervention - a pilot study.","authors":"T. Küpper, V. Jacobson, Sarah Müller, Michael Müller, C. Westphal","doi":"10.5604/17342260.1024761","DOIUrl":"https://doi.org/10.5604/17342260.1024761","url":null,"abstract":"Objective: To evaluate the effect of a multimodular therapy concept (endurance training, strength training, and diet) on proinsulin in patients with metabolic syndrome and non-insulin dependent diabetes. Methods: Prospective cohort study (n = 22), prepost-evaluation. Data evaluated: BMI, HbA1c, proinsulin, body fat, serum glucose. Observation period three months. Results: Proinsulin showed a tendency to normal values (n.s.). When those patients who took metformin (n = 7) only, the effect was significant (P < 0.05). BMI, body fat and body weight decreased significantly (P < 0.001). HbA1c did not change significantly. Conclusions: Although the effect of decrease of body mass may be partially camouflaged because there was an increase of muscle mass (heavier than fat), the concept has been proven to be an effective strategy to decrease several risk factors on metabolic syndrome. Further investigations are necessary to detect subgroups of patients who may have the optimal benefit and more data are necessary to establish an optimized structure of the training for the patients. Such studies should cover longer observation periods (6 months or more).","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"1 1","pages":"131-139"},"PeriodicalIF":0.0,"publicationDate":"2012-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89845008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-12-31DOI: 10.5604/17342260.1024767
R. Šlachta, P. Stejskal
Experiences resulting from multi-repetitions of parachute descents can reduce the changes in the cardiac autonomic modulation even in such a stressful situation as leaving the airplane.
即使在离开飞机这样紧张的情况下，多次跳伞的经历也能减少心脏自主调节的变化。
{"title":"Cardiac autonomic modulation before parachuite descent","authors":"R. Šlachta, P. Stejskal","doi":"10.5604/17342260.1024767","DOIUrl":"https://doi.org/10.5604/17342260.1024767","url":null,"abstract":"Experiences resulting from multi-repetitions of parachute\u0000descents can reduce the changes in the cardiac autonomic\u0000modulation even in such a stressful situation as leaving the\u0000airplane.","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"46 1","pages":"146-149"},"PeriodicalIF":0.0,"publicationDate":"2012-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73702484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-09-30DOI: 10.5604/17342260.1011393
R. N. Carpinelli
A meta-analysis is a controversial statistical procedure that combines the data from several independent studies in an attempt to produce an estimate for the effectiveness of a specific intervention. The validity of a meta-analysis, also known by its critics as numerological abracadabra, is dependent on the arbitrarily defined criteria and discrimination of the analyst, and more importantly, on the quality of the inclusive studies. The focus of this commentary is a meta-analysis by Krieger, who claimed that multiple sets of each exercise are superior to a single set of each exercise for increasing muscular strength. Some examples of the inclusive studies that he awarded the highest quality scores are shown in this Critical Review to be very poor quality studies and not acceptable for inclusion in a meta-analysis.
{"title":"CRITICAL REVIEW OF A META-ANALYSIS FOR THE EFFECT OF SINGLE AND MULTIPLE SETS OF RESISTANCE TRAINING ON STRENGTH GAINS","authors":"R. N. Carpinelli","doi":"10.5604/17342260.1011393","DOIUrl":"https://doi.org/10.5604/17342260.1011393","url":null,"abstract":"A meta-analysis is a controversial statistical procedure that combines the data from several independent studies in an attempt to produce an estimate for the effectiveness of a specific intervention. The validity of a meta-analysis, also known by its critics as numerological abracadabra, is dependent on the arbitrarily defined criteria and discrimination of the analyst, and more importantly, on the quality of the inclusive studies. The focus of this commentary is a meta-analysis by Krieger, who claimed that multiple sets of each exercise are superior to a single set of each exercise for increasing muscular strength. Some examples of the inclusive studies that he awarded the highest quality scores are shown in this Critical Review to be very poor quality studies and not acceptable for inclusion in a meta-analysis.","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"12 1","pages":"122-130"},"PeriodicalIF":0.0,"publicationDate":"2012-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89619342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-09-30DOI: 10.5604/17342260.1011391
Eduardo Lusa, R. Pinto, E. Silva, R. Spinelli, C. S. Correa, L. Kruel
Introduction: One repetition maximum test (1RM) is often used to evaluate muscle strength and to prescribe the in ⴀ tensity of strength training. However, the determination of the initial test load, and duration of the test make difficult to use the same in non ⴀindividualised environments. Objective: To determine coefficients to estimate the maximum strength (1RM), based on the relationship between muscular strength, lean body mass and total body mass. Methods: Twenty ⴀeight strength ⴀtrained and non ⴀstrength ⴀtrained men participated in this study. Muscle strength was determined using the 1 RM test in the bench press, supported barbell row, 45° leg press and squat exercise, while body composition was measured using the skinfolds method. After verifying the correlations between muscular strength and body mass and composition, the coefficients to predict the maximal strength were calculated by dividing the value of the 1 RM by the total body mass and lean body mass (kg) and by linear regression equation based in these parameters. Results: Significant correlations were found between body mass and lean body mass with muscular strength in all the exercises ( r = 0.47 ⴀ 0.76, P < 0.05). The greatest correlations were observed between the muscular strength values and lean body mass. There was a significant difference between the coefficients obtained from trained and non ⴀtrained subjects in all the tested exercises ( P < 0.05). Conclusions: The results suggest that the coefficients of prediction of the 1RM should take into account the body composition and the training status of the individuals.
简介:一次最大重复测试(1RM)通常用于评估肌肉力量和规定ⴀ力量训练的强度。然而，初始测试负载和测试持续时间的确定使得在非ⴀ个性化环境中使用相同的方法变得困难。目的:根据肌肉力量、瘦体重和总体重之间的关系，确定估算最大力量(1RM)的系数。方法:20名ⴀ8名力量ⴀ训练和未ⴀ力量ⴀ训练的男性参与本研究。在卧推、支撑式杠铃排、45°腿推和深蹲运动中，采用1 RM试验测定肌肉力量，采用皮肤褶法测定身体成分。在验证肌肉力量与体重和成分之间的相关性后，通过将1 RM的值除以总体重和瘦体重(kg)，并根据这些参数通过线性回归方程计算预测最大力量的系数。结果:重要的身体质量之间的相关性被发现和瘦体重与肌肉力量练习(ⴀ0.47 r = 0.76, P < 0.05)。肌肉力量值和瘦体重之间的相关性最大。在所有测试练习中，受过ⴀ训练的受试者与未受过ⴀ训练的受试者的系数有显著差异(P < 0.05)。结论:结果提示1RM的预测系数应考虑个体的身体组成和训练状态。
{"title":"PREDICTION OF ONE REPETITION MAXIMUM LOAD BY TOTAL AND LEAN BODY MASS IN TRAINED AND UNTRAINED MEN","authors":"Eduardo Lusa, R. Pinto, E. Silva, R. Spinelli, C. S. Correa, L. Kruel","doi":"10.5604/17342260.1011391","DOIUrl":"https://doi.org/10.5604/17342260.1011391","url":null,"abstract":"Introduction: One repetition maximum test (1RM) is often used to evaluate muscle strength and to prescribe the in ⴀ tensity of strength training. However, the determination of the initial test load, and duration of the test make difficult to use the same in non ⴀindividualised environments. Objective: To determine coefficients to estimate the maximum strength (1RM), based on the relationship between muscular strength, lean body mass and total body mass. Methods: Twenty ⴀeight strength ⴀtrained and non ⴀstrength ⴀtrained men participated in this study. Muscle strength was determined using the 1 RM test in the bench press, supported barbell row, 45° leg press and squat exercise, while body composition was measured using the skinfolds method. After verifying the correlations between muscular strength and body mass and composition, the coefficients to predict the maximal strength were calculated by dividing the value of the 1 RM by the total body mass and lean body mass (kg) and by linear regression equation based in these parameters. Results: Significant correlations were found between body mass and lean body mass with muscular strength in all the exercises ( r = 0.47 ⴀ 0.76, P < 0.05). The greatest correlations were observed between the muscular strength values and lean body mass. There was a significant difference between the coefficients obtained from trained and non ⴀtrained subjects in all the tested exercises ( P < 0.05). Conclusions: The results suggest that the coefficients of prediction of the 1RM should take into account the body composition and the training status of the individuals.","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"1 1","pages":"111-117"},"PeriodicalIF":0.0,"publicationDate":"2012-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91097282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-09-30DOI: 10.5604/17342260.1011386
M. Duncan, S. Dick
{"title":"Energy expenditure and enjoyment of exergaming: a comparison of the Nintendo Wii and the gamercize power stepper in young adults.","authors":"M. Duncan, S. Dick","doi":"10.5604/17342260.1011386","DOIUrl":"https://doi.org/10.5604/17342260.1011386","url":null,"abstract":"","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"3 1","pages":"92-98"},"PeriodicalIF":0.0,"publicationDate":"2012-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89715541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-09-30DOI: 10.5604/17342260.1011392
T. Heggie, T. Heggie
Hiking is a popular outdoor sport activity and one of the fastest growing outdoor activities in the United States. Compared to other activities such as mountain climbing and rock climbing, the risks associated with hiking are perceived as minimal. However, as participation has increased, the research literature has started to document an increasing number of hiking related injuries and illnesses. The case reports in this study identify the factors that contribute to the death of four hikers in different regions of the American wilderness. Environmental factors and factors related to acute bad judgment syndrome played a major role in the death of all four hikers. Understanding these factors and overcoming the false perception of hiking risks is key to the future prevention of hiking fatalities.
{"title":"DEAD MEN HIKING: CASE STUDIES FROM THE AMERICAN WILDERNESS","authors":"T. Heggie, T. Heggie","doi":"10.5604/17342260.1011392","DOIUrl":"https://doi.org/10.5604/17342260.1011392","url":null,"abstract":"Hiking is a popular outdoor sport activity and one of the fastest growing outdoor activities in the United States. Compared to other activities such as mountain climbing and rock climbing, the risks associated with hiking are perceived as minimal. However, as participation has increased, the research literature has started to document an increasing number of hiking related injuries and illnesses. The case reports in this study identify the factors that contribute to the death of four hikers in different regions of the American wilderness. Environmental factors and factors related to acute bad judgment syndrome played a major role in the death of all four hikers. Understanding these factors and overcoming the false perception of hiking risks is key to the future prevention of hiking fatalities.","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"1 1","pages":"118-121"},"PeriodicalIF":0.0,"publicationDate":"2012-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88939631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2012-09-30DOI: 10.5604/17342260.1011388
W. Edwards, D. Pringle, Thomas C. Palfrey, David Anderson
{"title":"Effects of chromium picolinate supplementation on body composition in in-season division I intercollegiate female swimmers.","authors":"W. Edwards, D. Pringle, Thomas C. Palfrey, David Anderson","doi":"10.5604/17342260.1011388","DOIUrl":"https://doi.org/10.5604/17342260.1011388","url":null,"abstract":"","PeriodicalId":93474,"journal":{"name":"Medicina sportiva (Krakow, Poland : English ed.)","volume":"3 1","pages":"99-103"},"PeriodicalIF":0.0,"publicationDate":"2012-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79316125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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