Pub Date : 2018-07-31DOI: 10.2174/1875399X01811010024
J. Abraldes, R. Fernandes, A. B. Lima
One of the biggest problems all around the world is the high number of deaths by drowning. Dying drowned is to perish in silence since, in most cases, other people are only aware of the accident once it has occurred. Thus, to avoid accidents from happening, we should carry out efficient preventive actions. Unfortunately, there are few studies related to rescue and safety, a topic of interest that should be much more investigated and better know the mechanisms of preventing and acting in water accidents. There is an increasing number of journals in different fields aiming to publish and disseminate knowledge, some focusing on very specific themes. However, as they are part of a big editorial system, most of them end up selecting the works that will have a greater impact in terms of future citations despite, eventually, having less relevance for society. For this reason, we acknowledge TOSSJ the possibility of editing this special issue that we consider of great scientific, technical and social relevance in the area.
{"title":"Contributions to Safety in Aquatic Environment","authors":"J. Abraldes, R. Fernandes, A. B. Lima","doi":"10.2174/1875399X01811010024","DOIUrl":"https://doi.org/10.2174/1875399X01811010024","url":null,"abstract":"One of the biggest problems all around the world is the high number of deaths by drowning. Dying drowned is to perish in silence since, in most cases, other people are only aware of the accident once it has occurred. Thus, to avoid accidents from happening, we should carry out efficient preventive actions. Unfortunately, there are few studies related to rescue and safety, a topic of interest that should be much more investigated and better know the mechanisms of preventing and acting in water accidents. There is an increasing number of journals in different fields aiming to publish and disseminate knowledge, some focusing on very specific themes. However, as they are part of a big editorial system, most of them end up selecting the works that will have a greater impact in terms of future citations despite, eventually, having less relevance for society. For this reason, we acknowledge TOSSJ the possibility of editing this special issue that we consider of great scientific, technical and social relevance in the area.","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48601929","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 : 2018-07-31DOI: 10.2174/1875399X01811010060
Bente Laakso, Ebbe Horneman, Rannei Grimstad, R. Stallman
Most drowning occurs after an involuntary fall into open deep water. Thus, the victim is usually wearing outer clothing. The added burden of clothing may reduce the chance of survival. Grade Four children (n = 490) swam a 200 m combined test, twice, half with outer clothing first, half without. The test included jump or dive into deep water, swim 100 m on the front, stop and rest 3 min front and back, swim 100 m on the back and climb out over edge of pool. Each skill was scored from 0 to 2.0, a perfect score being 12.0. The Wilcoxen Signed Rank test was used to test the significance of the difference between treatments. Total scores with and without outer clothing were correlated using the Spearman rho. The average total scores were 10.65 without outer clothing and 8.55 with (of 12.0). The Wilcoxen Z score was 2.79, statistically significant at p = 0.005. The Spearman rho between the two scores was 0.41. Of those who were judged able to swim without outer clothing, a significant number were judged unable to swim with outer clothing. This was true at whatever level “can swim” was arbitrarily placed. Among those who scored best, the difference between without and with clothing was considerably less than among those who scored poorly. The added burden of clothing significantly affected skill performance. It cannot be assumed that one who can swim without outer clothing, can swim with. The moderate correlation between scores suggests that economical movement may be the quality which transfers from without to with clothing.
{"title":"Decrement in Swimming Performance with Added Burden of Outer Clothing","authors":"Bente Laakso, Ebbe Horneman, Rannei Grimstad, R. Stallman","doi":"10.2174/1875399X01811010060","DOIUrl":"https://doi.org/10.2174/1875399X01811010060","url":null,"abstract":"\u0000 \u0000 Most drowning occurs after an involuntary fall into open deep water. Thus, the victim is usually wearing outer clothing. The added burden of clothing may reduce the chance of survival.\u0000 \u0000 \u0000 \u0000 Grade Four children (n = 490) swam a 200 m combined test, twice, half with outer clothing first, half without. The test included jump or dive into deep water, swim 100 m on the front, stop and rest 3 min front and back, swim 100 m on the back and climb out over edge of pool. Each skill was scored from 0 to 2.0, a perfect score being 12.0. The Wilcoxen Signed Rank test was used to test the significance of the difference between treatments. Total scores with and without outer clothing were correlated using the Spearman rho.\u0000 \u0000 \u0000 \u0000 The average total scores were 10.65 without outer clothing and 8.55 with (of 12.0). The Wilcoxen Z score was 2.79, statistically significant at p = 0.005. The Spearman rho between the two scores was 0.41. Of those who were judged able to swim without outer clothing, a significant number were judged unable to swim with outer clothing. This was true at whatever level “can swim” was arbitrarily placed. Among those who scored best, the difference between without and with clothing was considerably less than among those who scored poorly.\u0000 \u0000 \u0000 \u0000 The added burden of clothing significantly affected skill performance. It cannot be assumed that one who can swim without outer clothing, can swim with. The moderate correlation between scores suggests that economical movement may be the quality which transfers from without to with clothing.\u0000","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41525637","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 : 2018-07-31DOI: 10.2174/1875399X01811010050
K. Moran, J. Webber, T. Stanley
While the circumstances surrounding drowning incidents in high income countries are well known, little is known about how members of the public perceive the risk of drowning and their role in drowning prevention.The purpose of the study was to analyze caregiver/parent perceptions of the risk of drowning in terms of risk (threat) appraisal processes and coping appraisal processes.This study utilized Protection Motivation Theory (PMT) to analyse parent’s perception of the risk of drowning as part of an evaluation of a water safety program. Participants (N= 174) completed a pre-intervention survey that sought information on their water competency, open water experience, previous instruction, and perceptions of drowning risk.In terms of risk appraisal processes, more females, Asian peoples, and those with lower self-reported swimming and rescue competency perceived greater severity of drowning risk and greater vulnerability to that risk when swimming in open water. In terms of coping appraisal processes, males, non-Asian peoples and those with self-reported good swimming and rescue competencies were more likely to report confidence in the self-efficacy of their preventive actions.Considerable variations in risk (threat) appraisal and coping appraisal processes in respect of the risk of drowning were evident. The implications of the findings on water safety education are discussed. Ways of promoting water safety and drowning prevention are examined and recommendations for future research studies to address limitations of the study are made.
{"title":"Protection Motivation Theory (PMT), Risk of Drowning, and Water Safety Perceptions of Adult Caregivers/Parents","authors":"K. Moran, J. Webber, T. Stanley","doi":"10.2174/1875399X01811010050","DOIUrl":"https://doi.org/10.2174/1875399X01811010050","url":null,"abstract":"While the circumstances surrounding drowning incidents in high income countries are well known, little is known about how members of the public perceive the risk of drowning and their role in drowning prevention.The purpose of the study was to analyze caregiver/parent perceptions of the risk of drowning in terms of risk (threat) appraisal processes and coping appraisal processes.This study utilized Protection Motivation Theory (PMT) to analyse parent’s perception of the risk of drowning as part of an evaluation of a water safety program. Participants (N= 174) completed a pre-intervention survey that sought information on their water competency, open water experience, previous instruction, and perceptions of drowning risk.In terms of risk appraisal processes, more females, Asian peoples, and those with lower self-reported swimming and rescue competency perceived greater severity of drowning risk and greater vulnerability to that risk when swimming in open water. In terms of coping appraisal processes, males, non-Asian peoples and those with self-reported good swimming and rescue competencies were more likely to report confidence in the self-efficacy of their preventive actions.Considerable variations in risk (threat) appraisal and coping appraisal processes in respect of the risk of drowning were evident. The implications of the findings on water safety education are discussed. Ways of promoting water safety and drowning prevention are examined and recommendations for future research studies to address limitations of the study are made.","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48267998","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 : 2018-07-31DOI: 10.2174/1875399X01811010035
A. Baena-Extremera, J. Abraldes, A. Granero-Gallegos, M. Gómez-López
The aims of this papers are two: 1) To study goal orientation in Lifesaving practitioners and 2) to analyze the differences in goal orientation depending of variables? such as sex, age and sport specialty.Participants were 136 specialists swimmers in Rescue and Lifesaving, from youth (from 15 to 16 years) to junior (from 17 to 18 years) category. The Perception of Success Questionnaire (POSQ) was used to ask the objective of this research; also an internal consistency analysis of the instrument and a descriptive analysis of all variables were performed. A t-test for independent samples was used to confirm differences between groups.The significance level was set at p ≤ .05. In general, the results showed dispositional at task-orientation. Gender differences were found in pool and beach specialists but none between the age categories. The results show strong sport motivation that favours sport for pleasure minimizing demotivation and dropout.
{"title":"Goal Orientation in Lifesaving Athletes","authors":"A. Baena-Extremera, J. Abraldes, A. Granero-Gallegos, M. Gómez-López","doi":"10.2174/1875399X01811010035","DOIUrl":"https://doi.org/10.2174/1875399X01811010035","url":null,"abstract":"The aims of this papers are two: 1) To study goal orientation in Lifesaving practitioners and 2) to analyze the differences in goal orientation depending of variables? such as sex, age and sport specialty.Participants were 136 specialists swimmers in Rescue and Lifesaving, from youth (from 15 to 16 years) to junior (from 17 to 18 years) category. The Perception of Success Questionnaire (POSQ) was used to ask the objective of this research; also an internal consistency analysis of the instrument and a descriptive analysis of all variables were performed. A t-test for independent samples was used to confirm differences between groups.The significance level was set at p ≤ .05. In general, the results showed dispositional at task-orientation. Gender differences were found in pool and beach specialists but none between the age categories. The results show strong sport motivation that favours sport for pleasure minimizing demotivation and dropout.","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48017327","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 : 2018-07-31DOI: 10.2174/1875399X01811010041
P. Kjendlie, T. Pedersen, R. Stallman
Little is known about the transfer of swimming skills from flat, calm conditions to outdoor, unsteady conditions. The aim of the present study was to investigate the velocity decrement of several life-saving, self-rescue and rescue related strokes when introducing waves of different heights.Thirty-three subjects swam twelve 25m sprints each, in a randomized order, in a 3x4 (wave height x stroke) design. The wave heights were flat, medium (ca 20 cm) or large (ca 40 cm), in a specially designed wave-simulating pool. The strokes studied were front crawl, head-up crawl, back crawl and breaststroke. A subgroup swam front crawl, head-up crawl and head-up crawl with fins. A repeated measures ANOVA showed a significant effect of stroke, F(3,23)=108 (p<0.001), showing that these four strokes have different levels of performance; and wave height F(2,24)=87 (p<0.001), showing that introducing waves reduced velocity, but there was no interaction effect. The fastest stroke in flat water was not surprisingly, front crawl, followed by head-up crawl, back crawl and breaststroke. When introducing medium or large waves, the order of strokes from fastest to slowest was identical to flat-water conditions. The average velocity decrement when introducing medium and large waves was 3% and 7% respectively. For the subgroup swimming with fins, this was the fastest stroke, followed by front crawl, and head-up crawl. This order did not change when introducing waves, and the velocity decrement was 4 and 2% for medium and large waves respectively (not significantly different from other strokes).The conclusion is that the rank order of strokes does not change when introducing waves and that no stroke seems to perform relatively better in unsteady water compared to flat water. Other aspects than performance and velocity should be considered when choosing strokes for swimming in waves, these are discussed in the paper.
{"title":"The Effect of Waves on the Performance of Five Different Swimming Strokes","authors":"P. Kjendlie, T. Pedersen, R. Stallman","doi":"10.2174/1875399X01811010041","DOIUrl":"https://doi.org/10.2174/1875399X01811010041","url":null,"abstract":"Little is known about the transfer of swimming skills from flat, calm conditions to outdoor, unsteady conditions. The aim of the present study was to investigate the velocity decrement of several life-saving, self-rescue and rescue related strokes when introducing waves of different heights.Thirty-three subjects swam twelve 25m sprints each, in a randomized order, in a 3x4 (wave height x stroke) design. The wave heights were flat, medium (ca 20 cm) or large (ca 40 cm), in a specially designed wave-simulating pool. The strokes studied were front crawl, head-up crawl, back crawl and breaststroke. A subgroup swam front crawl, head-up crawl and head-up crawl with fins. A repeated measures ANOVA showed a significant effect of stroke, F(3,23)=108 (p<0.001), showing that these four strokes have different levels of performance; and wave height F(2,24)=87 (p<0.001), showing that introducing waves reduced velocity, but there was no interaction effect. The fastest stroke in flat water was not surprisingly, front crawl, followed by head-up crawl, back crawl and breaststroke. When introducing medium or large waves, the order of strokes from fastest to slowest was identical to flat-water conditions. The average velocity decrement when introducing medium and large waves was 3% and 7% respectively. For the subgroup swimming with fins, this was the fastest stroke, followed by front crawl, and head-up crawl. This order did not change when introducing waves, and the velocity decrement was 4 and 2% for medium and large waves respectively (not significantly different from other strokes).The conclusion is that the rank order of strokes does not change when introducing waves and that no stroke seems to perform relatively better in unsteady water compared to flat water. Other aspects than performance and velocity should be considered when choosing strokes for swimming in waves, these are discussed in the paper.","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46116246","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 : 2018-06-29DOI: 10.2174/1875399X01811010003
Hannes Lepschy, H. Wäsche, A. Woll
Despite the popularity of football, the analysis of success factors in football remains a challenge. While reviews on performance indicators in football are available, none focuses solely on the identification of success factors and addresses the large and growing body of recent research up until 2016.To find out what determines success in football and to organize the body of literature, a systematic literature review analyzing existing studies with regard to success factors in football was undertaken.The studies included in this review had to deal with performance indicators related to success in football. The studies were published in 2016 or before. The initial search revealed 19,161 articles. Finally, sixty-eight articles were included in this review. The studies were clustered with regard to comparative analyses, predictive analyses and analyses of home advantage.In total, 76 different variables were investigated in the reviewed papers. It appeared that the most significant variables are efficiency (number of goals divided by the number of shots), shots on goal, ball possession, pass accuracy/successful passes as well as the quality of opponent and match location. Moreover, new statistical methods were used to reveal interactions among these variables such as discriminant analysis, factor analysis and regression analysis. The studies showed methodological deficits such as clear operational definitions of investigated variables and small sample sizes.The review allows a comprehensive identification of critical success factors in football and sheds light on utilized methodological approaches. Future research should consider precise operational definitions of the investigated variables, adequate sample sizes and the involvement of situational variables as well as their interaction.
{"title":"How to be Successful in Football: A Systematic Review","authors":"Hannes Lepschy, H. Wäsche, A. Woll","doi":"10.2174/1875399X01811010003","DOIUrl":"https://doi.org/10.2174/1875399X01811010003","url":null,"abstract":"Despite the popularity of football, the analysis of success factors in football remains a challenge. While reviews on performance indicators in football are available, none focuses solely on the identification of success factors and addresses the large and growing body of recent research up until 2016.To find out what determines success in football and to organize the body of literature, a systematic literature review analyzing existing studies with regard to success factors in football was undertaken.The studies included in this review had to deal with performance indicators related to success in football. The studies were published in 2016 or before. The initial search revealed 19,161 articles. Finally, sixty-eight articles were included in this review. The studies were clustered with regard to comparative analyses, predictive analyses and analyses of home advantage.In total, 76 different variables were investigated in the reviewed papers. It appeared that the most significant variables are efficiency (number of goals divided by the number of shots), shots on goal, ball possession, pass accuracy/successful passes as well as the quality of opponent and match location. Moreover, new statistical methods were used to reveal interactions among these variables such as discriminant analysis, factor analysis and regression analysis. The studies showed methodological deficits such as clear operational definitions of investigated variables and small sample sizes.The review allows a comprehensive identification of critical success factors in football and sheds light on utilized methodological approaches. Future research should consider precise operational definitions of the investigated variables, adequate sample sizes and the involvement of situational variables as well as their interaction.","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41973904","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 : 2018-05-11DOI: 10.2174/1875399X01811010001
R. Fernandes
{"title":"Overview on The Open Sports Science Journal (TOSSJ)","authors":"R. Fernandes","doi":"10.2174/1875399X01811010001","DOIUrl":"https://doi.org/10.2174/1875399X01811010001","url":null,"abstract":"","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":"11 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43349227","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 : 2017-12-29DOI: 10.2174/1875399X01710010223
G. Capitani, Eduardo Sehnem, Claudio Rosa, Filipe Matos, V. Reis, E. Neves
Background : The diagnosis of Osgood-Schlatter Disease (OSD) is based on clinical signs and symptoms. However, more objective parameters, like thermal images, have been researched to determine, along algometry, valid parameters. Objective : The aim of this study was to analyze the thermal differences and the painful sensibility between the knees (with SOS and contralateral) of young soccer players. Methods : 6 young men, aged between 12 and 15, members of football schools, composed the sample. Images were taken from an anterior view of both knees, with the volunteer in a seated position, the knees flexed at 90o degrees and both feet flat on the floor. After the thermal image capture, the patients were submitted to an evaluation with the pressure algometer. Results : According to the results, it was found that the knee affected by the OSD showed temperatures significantly higher than the contralateral (p = 0.027) and also greater sensitivity to the pressure algometry (p = 0.027). Conclusion : it can be concluded that the inflammatory process, during OS Syndrome, promotes a local thermal hyper-radiation, identified with the high sensitive thermographic infrared image, producing a significant difference in local temperature between the knees of a single individual. Moreover, this process also increases the pain sensibility, accessed by pressure algometry.
{"title":"Osgood-schlatter Disease Diagnosis by Algometry and Infrared Thermography","authors":"G. Capitani, Eduardo Sehnem, Claudio Rosa, Filipe Matos, V. Reis, E. Neves","doi":"10.2174/1875399X01710010223","DOIUrl":"https://doi.org/10.2174/1875399X01710010223","url":null,"abstract":"Background : The diagnosis of Osgood-Schlatter Disease (OSD) is based on clinical signs and symptoms. However, more objective parameters, like thermal images, have been researched to determine, along algometry, valid parameters. Objective : The aim of this study was to analyze the thermal differences and the painful sensibility between the knees (with SOS and contralateral) of young soccer players. Methods : 6 young men, aged between 12 and 15, members of football schools, composed the sample. Images were taken from an anterior view of both knees, with the volunteer in a seated position, the knees flexed at 90o degrees and both feet flat on the floor. After the thermal image capture, the patients were submitted to an evaluation with the pressure algometer. Results : According to the results, it was found that the knee affected by the OSD showed temperatures significantly higher than the contralateral (p = 0.027) and also greater sensitivity to the pressure algometry (p = 0.027). Conclusion : it can be concluded that the inflammatory process, during OS Syndrome, promotes a local thermal hyper-radiation, identified with the high sensitive thermographic infrared image, producing a significant difference in local temperature between the knees of a single individual. Moreover, this process also increases the pain sensibility, accessed by pressure algometry.","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":"10 1","pages":"223-228"},"PeriodicalIF":0.0,"publicationDate":"2017-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49491857","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 : 2017-12-29DOI: 10.2174/1875399X01710010239
V. Ferro-Lebres, Gustavo Silva, P. Moreira, J. Ribeiro
Background : Questionnaires have been broadly used to assess physical activity in adolescents, however validation studies, although essential, are not always performed. Objective : The present work aims to determine the validity of the Portuguese version of the International Physical Activity Questionnaire for Adolescents against 3 axis Actigraph accelerometers. Method : A cross-sectional study was conducted, with a sample of 222 adolescents, with a mean age of 15.6 years (SD=2.05). After translation and cross cultural adaptation, data obtained from the questionnaire was correlated to accelerometers data, using Spearman correlation coefficient. Percentages of agreement of physical activity tertiles obtained by each method were tested using Cohen’s Kappa. Statistical analysis was performed for the total sample, per sex and per age group. Results : A significant correlation between the questionnaire and accelerometer was found for older adolescent boys, for total physical activity (ρ=0.372; P
{"title":"Validation of the Portuguese Version of the International Physical Activity Questionnaire for Adolescents (IPAQA)","authors":"V. Ferro-Lebres, Gustavo Silva, P. Moreira, J. Ribeiro","doi":"10.2174/1875399X01710010239","DOIUrl":"https://doi.org/10.2174/1875399X01710010239","url":null,"abstract":"Background : Questionnaires have been broadly used to assess physical activity in adolescents, however validation studies, although essential, are not always performed. Objective : The present work aims to determine the validity of the Portuguese version of the International Physical Activity Questionnaire for Adolescents against 3 axis Actigraph accelerometers. Method : A cross-sectional study was conducted, with a sample of 222 adolescents, with a mean age of 15.6 years (SD=2.05). After translation and cross cultural adaptation, data obtained from the questionnaire was correlated to accelerometers data, using Spearman correlation coefficient. Percentages of agreement of physical activity tertiles obtained by each method were tested using Cohen’s Kappa. Statistical analysis was performed for the total sample, per sex and per age group. Results : A significant correlation between the questionnaire and accelerometer was found for older adolescent boys, for total physical activity (ρ=0.372; P","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":"10 1","pages":"239-250"},"PeriodicalIF":0.0,"publicationDate":"2017-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48814465","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 : 2017-12-29DOI: 10.2174/1875399X01710010286
K. S. Urbinati, A. D. Vieira, Caluê Papcke, Renata Pinheiro, P. Nohama, E. Scheeren
Knowledge of the fatigue process in karate sport is essential to improve the performance of top athletes. The physiological and biomechanical behavior during the Karate Specific Aerobic Test (KSAT) fatigue protocol in karate was investigated. PCR, lactate, glucose and cortisol were collected before and after the fatigue protocol application in karate, besides that, and heart rate and technical speed were measured. The results indicated increase in C protein reactive (60%), creatine kinase (25%), cortisol (30%), lactate dehydrogenase (90.9%) and decrease in glucose (21.2%). The maximum speed was: in kizami zuki, 5.75 ± 0.31 m/s; in mawashi geri, 9.0 ± 0.24 m/s, in gyako zuki, 7.23 ± 0.54 m/s and in kizami mawashi geri, 6 ± 0.34 m/s. The mean time for each set was 2.99 ± 0.17 s. There was reduction in speed and duration of set for all techniques, especially in the final sets (p
{"title":"Physiological and Biomechanical Fatigue Responses in Karate: A Case Study","authors":"K. S. Urbinati, A. D. Vieira, Caluê Papcke, Renata Pinheiro, P. Nohama, E. Scheeren","doi":"10.2174/1875399X01710010286","DOIUrl":"https://doi.org/10.2174/1875399X01710010286","url":null,"abstract":"Knowledge of the fatigue process in karate sport is essential to improve the performance of top athletes. The physiological and biomechanical behavior during the Karate Specific Aerobic Test (KSAT) fatigue protocol in karate was investigated. PCR, lactate, glucose and cortisol were collected before and after the fatigue protocol application in karate, besides that, and heart rate and technical speed were measured. The results indicated increase in C protein reactive (60%), creatine kinase (25%), cortisol (30%), lactate dehydrogenase (90.9%) and decrease in glucose (21.2%). The maximum speed was: in kizami zuki, 5.75 ± 0.31 m/s; in mawashi geri, 9.0 ± 0.24 m/s, in gyako zuki, 7.23 ± 0.54 m/s and in kizami mawashi geri, 6 ± 0.34 m/s. The mean time for each set was 2.99 ± 0.17 s. There was reduction in speed and duration of set for all techniques, especially in the final sets (p","PeriodicalId":38865,"journal":{"name":"Open Sports Sciences Journal","volume":"10 1","pages":"286-293"},"PeriodicalIF":0.0,"publicationDate":"2017-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43686799","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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