Pub Date : 2020-03-30DOI: 10.1590/1980-0037.2020v22e59831
R. Cabanillas, Jorge Serna, V. Muñoz-Arroyave, José Albeiro Echeverri Ramos
Abstract The present study investigated the effect of eccentric overload on professional basketball players. Participants were 8 players aged 18-25 years who play in a Leb Oro League team. There was an 8 week training cycle with 1 weekly session of half squats. The control group performed training following a traditional methodology –using free weights– whereas the experimental group used inertial technology, that is, the ProSquat machine from Proinertial®. Both vertical jump and 30-meter sprint were assessed before and after intervention. The following conclusions were reached: a) strength training with vertical vector improves the 30-meter sprint test and also the vertical jump; b) training program that affects the eccentric overload of the movement results in more improvements than traditional training with the same duration; c) training in the vertical vector also has an impact on the way force is manifested in the horizontal vector, showing improvements in the 30-meter sprint.
{"title":"Effect of eccentric overload through isoinertial technology in basketball players","authors":"R. Cabanillas, Jorge Serna, V. Muñoz-Arroyave, José Albeiro Echeverri Ramos","doi":"10.1590/1980-0037.2020v22e59831","DOIUrl":"https://doi.org/10.1590/1980-0037.2020v22e59831","url":null,"abstract":"Abstract The present study investigated the effect of eccentric overload on professional basketball players. Participants were 8 players aged 18-25 years who play in a Leb Oro League team. There was an 8 week training cycle with 1 weekly session of half squats. The control group performed training following a traditional methodology –using free weights– whereas the experimental group used inertial technology, that is, the ProSquat machine from Proinertial®. Both vertical jump and 30-meter sprint were assessed before and after intervention. The following conclusions were reached: a) strength training with vertical vector improves the 30-meter sprint test and also the vertical jump; b) training program that affects the eccentric overload of the movement results in more improvements than traditional training with the same duration; c) training in the vertical vector also has an impact on the way force is manifested in the horizontal vector, showing improvements in the 30-meter sprint.","PeriodicalId":38989,"journal":{"name":"Revista Brasileira de Cineantropometria e Desempenho Humano","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88182099","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 : 2020-03-30DOI: 10.1590/1980-0037.2020v22e68128
J. V. Freitas, F. Z. Werneck, Renato Siqueira de Souza, P.H.C. Castro, A. Figueiredo, J. Lima
Abstract There is growing interest in identifying morphological, motor, maturation characteristics, as well as their changes, of children and adolescents in systematized training in various sports. Knowledge of these characteristics is important for coaches and researchers because they provide parameters for assessing youth development during training. For track and field, studies on the category under 16 are scarce. Thus, the objectives of this study are to describe the profile and to design a percentile table of morphological, motor, maturation and event-specific variables of under 16 athletes. 105 young athletes were evaluated on two consecutive days. On the first day, an anamnesis of athletes and coaches was performed. Anthropometric and anaerobic measurements were analyzed in shot put, long jump, 800 m run. On the second day, flexibility, vertical impulse, upper limb strength, speed and maximal aerobic speed were evaluated. The biological maturation was evaluated by the percentage of the predicted height. A table with percentiles was prepared with the data of all athletes. Another table with the results of the whole group plus mean and standard deviation was prepared. A last table was prepared containing data divided by group of sports events. The morphological variables presented differences between the groups as to body mass, BMI and sum of skinfolds. Significant differences were observed only for the motor variable VMA. No significant differences were observed only for long jump. When divided by groups, it was evident that throwers are different from the other athletes in some morphologic variables and in specific sports events.
{"title":"Maturation, morphological, motor and technical characteristics of under 16 female track and field athletes","authors":"J. V. Freitas, F. Z. Werneck, Renato Siqueira de Souza, P.H.C. Castro, A. Figueiredo, J. Lima","doi":"10.1590/1980-0037.2020v22e68128","DOIUrl":"https://doi.org/10.1590/1980-0037.2020v22e68128","url":null,"abstract":"Abstract There is growing interest in identifying morphological, motor, maturation characteristics, as well as their changes, of children and adolescents in systematized training in various sports. Knowledge of these characteristics is important for coaches and researchers because they provide parameters for assessing youth development during training. For track and field, studies on the category under 16 are scarce. Thus, the objectives of this study are to describe the profile and to design a percentile table of morphological, motor, maturation and event-specific variables of under 16 athletes. 105 young athletes were evaluated on two consecutive days. On the first day, an anamnesis of athletes and coaches was performed. Anthropometric and anaerobic measurements were analyzed in shot put, long jump, 800 m run. On the second day, flexibility, vertical impulse, upper limb strength, speed and maximal aerobic speed were evaluated. The biological maturation was evaluated by the percentage of the predicted height. A table with percentiles was prepared with the data of all athletes. Another table with the results of the whole group plus mean and standard deviation was prepared. A last table was prepared containing data divided by group of sports events. The morphological variables presented differences between the groups as to body mass, BMI and sum of skinfolds. Significant differences were observed only for the motor variable VMA. No significant differences were observed only for long jump. When divided by groups, it was evident that throwers are different from the other athletes in some morphologic variables and in specific sports events.","PeriodicalId":38989,"journal":{"name":"Revista Brasileira de Cineantropometria e Desempenho Humano","volume":"608 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89650477","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 : 2020-03-30DOI: 10.1590/1980-0037.2020v22e59833
Edgar Solsona, Jorge Serna, V. Muñoz-Arroyave, José Albeiro Echeverri Ramos
Abstract The aim of this study is to analyze the influence of the ball screen and 1x1 situations on the shooting effectiveness in the Euroleague Final Four of the 2016-2017 season. A total of 1122 offensive actions were analyzed by means of an ad hoc instrument called SOCCB, where the following findings stand out: a) ball screen is the most used concept followed by one-on-one played outside the three-point line and finally, the one-on-one played close to the zone; b) the limited use of the one-on-one played close to the zone and specialization of the big men in screening and shooting actions rather than team behavior is confirmed; c) almost 60% of basketball procedures (ball screen and one-on-one) studied finish in a pass, which increases the importance of being competent in this aspect of the game and play without the ball; and d) ball screen and one-on-one played close to the zone were actions generating benefits and the one-on-one played outside the three-point line was an action with greater tendency towards shooting.
{"title":"Offensive analysis in EUROLEAGUE final four","authors":"Edgar Solsona, Jorge Serna, V. Muñoz-Arroyave, José Albeiro Echeverri Ramos","doi":"10.1590/1980-0037.2020v22e59833","DOIUrl":"https://doi.org/10.1590/1980-0037.2020v22e59833","url":null,"abstract":"Abstract The aim of this study is to analyze the influence of the ball screen and 1x1 situations on the shooting effectiveness in the Euroleague Final Four of the 2016-2017 season. A total of 1122 offensive actions were analyzed by means of an ad hoc instrument called SOCCB, where the following findings stand out: a) ball screen is the most used concept followed by one-on-one played outside the three-point line and finally, the one-on-one played close to the zone; b) the limited use of the one-on-one played close to the zone and specialization of the big men in screening and shooting actions rather than team behavior is confirmed; c) almost 60% of basketball procedures (ball screen and one-on-one) studied finish in a pass, which increases the importance of being competent in this aspect of the game and play without the ball; and d) ball screen and one-on-one played close to the zone were actions generating benefits and the one-on-one played outside the three-point line was an action with greater tendency towards shooting.","PeriodicalId":38989,"journal":{"name":"Revista Brasileira de Cineantropometria e Desempenho Humano","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73324849","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 : 2020-03-30DOI: 10.1590/1980-0037.2020v22e68179
Bruno Leonardo Rodrigues da Silva, L. Galliano, F. B. Vecchio
Abstract The production of systematic reviews and meta-analysis increased substantially. In this sense, we highlight those comparing Moderate-Intensity Continuous Training (MICT) and High-Intensity Interval Training (HIIT). It is known that meta-analyses of well-conducted studies are considered as a superior level of scientific evidence; therefore, it is relevant to critically analyze all those articles, especially speaking about the absence of differences between MICT and HIIT reported in previous studies. Widely, analyzing studies included in a meta-analysis frequently is possible to identify a lack of crucial information to the understanding of the exercise intervention, and this can skew readers interpretation and may conduct an equivocate comprehension of the results. In meta-analysis regarding the effects of MICT and HIIT in body composition, the relativization of the full length of training time of each intervention is frequently lacking. Data from previously published meta-analysis was reanalyzed, verifying higher relative reductions of body fat percentage to the HIIT group in comparison to the MICT group when considered the duration of interventions. In this sense, we suggest that all meta-analysis about this subject need not only to provide complete analysis in body composition but also consider analysis relativized of time spent training.
{"title":"Relativizing effects of high intensity interval training vs continuous moderate","authors":"Bruno Leonardo Rodrigues da Silva, L. Galliano, F. B. Vecchio","doi":"10.1590/1980-0037.2020v22e68179","DOIUrl":"https://doi.org/10.1590/1980-0037.2020v22e68179","url":null,"abstract":"Abstract The production of systematic reviews and meta-analysis increased substantially. In this sense, we highlight those comparing Moderate-Intensity Continuous Training (MICT) and High-Intensity Interval Training (HIIT). It is known that meta-analyses of well-conducted studies are considered as a superior level of scientific evidence; therefore, it is relevant to critically analyze all those articles, especially speaking about the absence of differences between MICT and HIIT reported in previous studies. Widely, analyzing studies included in a meta-analysis frequently is possible to identify a lack of crucial information to the understanding of the exercise intervention, and this can skew readers interpretation and may conduct an equivocate comprehension of the results. In meta-analysis regarding the effects of MICT and HIIT in body composition, the relativization of the full length of training time of each intervention is frequently lacking. Data from previously published meta-analysis was reanalyzed, verifying higher relative reductions of body fat percentage to the HIIT group in comparison to the MICT group when considered the duration of interventions. In this sense, we suggest that all meta-analysis about this subject need not only to provide complete analysis in body composition but also consider analysis relativized of time spent training.","PeriodicalId":38989,"journal":{"name":"Revista Brasileira de Cineantropometria e Desempenho Humano","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86465932","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 : 2020-03-30DOI: 10.1590/1980-0037.2020v22e58196
J. J. Silva, W. A. Gomes, Silvio Luiz Pecoraro, E. Soares, R. Magalhães, Gustavo Zorzi Fioravanti, Rodrigo Baladán, C. Lopes, P. H. Marchetti
Abstract The range of motion (ROM) may affect the external maximal load during back squat (BS) exercise. The correct ROM manipulation can be useful as an exercise load manipulation strategy, changing the volume load during a resistance training session. The aim of this study was to evaluate the acute effects of ROM on relative load, absolute load and the rating of perceived exertion (RPE) during partial and full BS exercise with adjusted loads. Fifteen male individuals (age: 26.5±4.5 years; height: 173±6 cm; body mass: 80.6 ± 8.8 kg; resistance training experience 5±3 years) participated in this study. The experimental procedure was conducted in two sessions. In the first session, brief familiarization and a 10-repetition maximal test (10-RM) was performed for partial (PBS) and full BS exercise (FBS) with 30-min of rest interval. During the second session, all subjects performed 1 set of 10-RM in both conditions (partial and full ROM), and relative load, absolute load, and RPE were evaluated. A paired t-test was used to compare means. The results showed higher values for PBS when compared to FE exercise: relative load (PBS: 1.14±0.24xBW vs. FBS: 0.87±0.24xBW; P<0.001), and absolute load (PBS: 925±249 kg x FBS: 708±232 kg, P<0.001). Similar RPE was observed between conditions (PBS: 8.6±1.3 IEP x FBS: 8.5±1.0 IEP, P=0.855). It was concluded that PBS allowed higher relative load and absolute load during 10RM, without effects on RPE.
运动范围(ROM)可能影响背部深蹲(BS)运动时的最大外负荷。正确的ROM操作可以作为一种运动负荷操作策略，在阻力训练期间改变容量负荷。本研究的目的是评估在调整负荷的部分和完全BS运动中，ROM对相对负荷、绝对负荷和感知劳累等级(RPE)的急性影响。男性15例(年龄26.5±4.5岁;高度:173±6cm;体重:80.6±8.8 kg;有抗阻训练经验(5±3年)者参加本研究。实验过程分两次进行。在第一阶段，对部分(PBS)和完全BS运动(FBS)进行了简短的熟悉和10次重复最大测试(10-RM)，休息时间为30分钟。在第二阶段，所有受试者在两种情况下(部分和完全ROM)进行1组10-RM，并评估相对负荷、绝对负荷和RPE。采用配对t检验比较均数。结果显示，与FE运动相比，PBS值更高:相对负荷(PBS: 1.14±0.24xBW vs. FBS: 0.87±0.24xBW;P<0.001)，绝对负荷(PBS: 925±249 kg × FBS: 708±232 kg, P<0.001)。两组RPE相似(PBS: 8.6±1.3 IEP × FBS: 8.5±1.0 IEP, P=0.855)。结果表明，PBS在10RM期间允许更高的相对载荷和绝对载荷，而对RPE没有影响。
{"title":"The range of motion of the back squat exercise affects absolute volume load without changing the rating of perceived exertion","authors":"J. J. Silva, W. A. Gomes, Silvio Luiz Pecoraro, E. Soares, R. Magalhães, Gustavo Zorzi Fioravanti, Rodrigo Baladán, C. Lopes, P. H. Marchetti","doi":"10.1590/1980-0037.2020v22e58196","DOIUrl":"https://doi.org/10.1590/1980-0037.2020v22e58196","url":null,"abstract":"Abstract The range of motion (ROM) may affect the external maximal load during back squat (BS) exercise. The correct ROM manipulation can be useful as an exercise load manipulation strategy, changing the volume load during a resistance training session. The aim of this study was to evaluate the acute effects of ROM on relative load, absolute load and the rating of perceived exertion (RPE) during partial and full BS exercise with adjusted loads. Fifteen male individuals (age: 26.5±4.5 years; height: 173±6 cm; body mass: 80.6 ± 8.8 kg; resistance training experience 5±3 years) participated in this study. The experimental procedure was conducted in two sessions. In the first session, brief familiarization and a 10-repetition maximal test (10-RM) was performed for partial (PBS) and full BS exercise (FBS) with 30-min of rest interval. During the second session, all subjects performed 1 set of 10-RM in both conditions (partial and full ROM), and relative load, absolute load, and RPE were evaluated. A paired t-test was used to compare means. The results showed higher values for PBS when compared to FE exercise: relative load (PBS: 1.14±0.24xBW vs. FBS: 0.87±0.24xBW; P<0.001), and absolute load (PBS: 925±249 kg x FBS: 708±232 kg, P<0.001). Similar RPE was observed between conditions (PBS: 8.6±1.3 IEP x FBS: 8.5±1.0 IEP, P=0.855). It was concluded that PBS allowed higher relative load and absolute load during 10RM, without effects on RPE.","PeriodicalId":38989,"journal":{"name":"Revista Brasileira de Cineantropometria e Desempenho Humano","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82160970","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 : 2020-03-30DOI: 10.1590/1980-0037.2020v22e67000
Akeline Santos de Almeida, Patrícia Almeida Fontes, Jamille Mendonça Reinaldo, Maria de Lourdes Feitosa Neta, R. A. C. Sampaio, R. J. S. Silva, R. Wichi
Abstract Aging comprises a dynamic and progressive process, characterized by physiological and functional changes. Among these changes, increase in body fat is considered relevant, since it can leads to impaired physical fitness and augmented cardiometabolic risks. Considering this, the objective of this study was to evaluate the influence of overweight on functional capacity of physically active older women. A field survey was performed with 24 older women who practiced physical exercise. Participants were submitted to anamnesis, anthropometric measures (i.e., body mass and height); the Senior Fitness test; sit and reach flexibility test; and handgrip strength test. Pearson’s correlation test and multivariate logistic regression were used to verify the association between overweight and functional capacity. It was observed that hip flexibility (R=-0.494, p=0.014) and flexibility of the lower limbs (i.e., sit and reach test) showed negative correlation with the body mass index (R=-0.446, p=0.02); and after the multivariate logistic regression, negative correlation of lower limbs flexibility (B=-0,035, p=0,014) and the body mass index was observed. Thus, higher the body mass index among participants, lower hip flexibility they presented.
{"title":"Influence of overweight on functional capacity of physically active older women","authors":"Akeline Santos de Almeida, Patrícia Almeida Fontes, Jamille Mendonça Reinaldo, Maria de Lourdes Feitosa Neta, R. A. C. Sampaio, R. J. S. Silva, R. Wichi","doi":"10.1590/1980-0037.2020v22e67000","DOIUrl":"https://doi.org/10.1590/1980-0037.2020v22e67000","url":null,"abstract":"Abstract Aging comprises a dynamic and progressive process, characterized by physiological and functional changes. Among these changes, increase in body fat is considered relevant, since it can leads to impaired physical fitness and augmented cardiometabolic risks. Considering this, the objective of this study was to evaluate the influence of overweight on functional capacity of physically active older women. A field survey was performed with 24 older women who practiced physical exercise. Participants were submitted to anamnesis, anthropometric measures (i.e., body mass and height); the Senior Fitness test; sit and reach flexibility test; and handgrip strength test. Pearson’s correlation test and multivariate logistic regression were used to verify the association between overweight and functional capacity. It was observed that hip flexibility (R=-0.494, p=0.014) and flexibility of the lower limbs (i.e., sit and reach test) showed negative correlation with the body mass index (R=-0.446, p=0.02); and after the multivariate logistic regression, negative correlation of lower limbs flexibility (B=-0,035, p=0,014) and the body mass index was observed. Thus, higher the body mass index among participants, lower hip flexibility they presented.","PeriodicalId":38989,"journal":{"name":"Revista Brasileira de Cineantropometria e Desempenho Humano","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84400394","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 : 2020-02-27DOI: 10.1590/1980-0037.2020v22e60769
D. Zanini, Augusto Kuipers, Indianara Vicini Somensi, Jonathan Filipe Pasqualotto, Julia de Góis Quevedo, Jucielly Carla Téo, D. L. Antes
Abstract The number of studies related to soccer has been growing exponentially in the last years because the modality is considered the most popular in the world. It is known that the development of some specific physical capacities, even in young individuals, is essential to high-level performance and these capacities might be related to anthropometrics variables. The purpose of this study was to verify the relationship between body composition and physical capacities in young soccer players. Study participants were athletes from junior categories (under-12 and under-13) belonging to the Soccer Association of Chapecó, Brazil.. Athletes were submitted to agility, (Illinois), vertical jump (Sargent Jump), aerobic condition (TCAR), flexibility and sit-and-reach (Wells Bench) tests, as well as anthropometric assessment. All procedures were performed at UNOESC campus, Chapecó. Statistical analysis consisted of the Spearman’s Rô test, measuring the correlation among variables, additionally, significance level of p<0.05 was adopted. Results showed significantly correlation in agility (p=0.000; ρ=0.530) and vertical jump tests (p=0.003; ρ=-0.437) with body fat percentage. It was concluded that there is relationship between body fat percentage and agility and explosive power of lower limbs.
{"title":"Relationship between body composition and physical capacities in junior soccer players","authors":"D. Zanini, Augusto Kuipers, Indianara Vicini Somensi, Jonathan Filipe Pasqualotto, Julia de Góis Quevedo, Jucielly Carla Téo, D. L. Antes","doi":"10.1590/1980-0037.2020v22e60769","DOIUrl":"https://doi.org/10.1590/1980-0037.2020v22e60769","url":null,"abstract":"Abstract The number of studies related to soccer has been growing exponentially in the last years because the modality is considered the most popular in the world. It is known that the development of some specific physical capacities, even in young individuals, is essential to high-level performance and these capacities might be related to anthropometrics variables. The purpose of this study was to verify the relationship between body composition and physical capacities in young soccer players. Study participants were athletes from junior categories (under-12 and under-13) belonging to the Soccer Association of Chapecó, Brazil.. Athletes were submitted to agility, (Illinois), vertical jump (Sargent Jump), aerobic condition (TCAR), flexibility and sit-and-reach (Wells Bench) tests, as well as anthropometric assessment. All procedures were performed at UNOESC campus, Chapecó. Statistical analysis consisted of the Spearman’s Rô test, measuring the correlation among variables, additionally, significance level of p<0.05 was adopted. Results showed significantly correlation in agility (p=0.000; ρ=0.530) and vertical jump tests (p=0.003; ρ=-0.437) with body fat percentage. It was concluded that there is relationship between body fat percentage and agility and explosive power of lower limbs.","PeriodicalId":38989,"journal":{"name":"Revista Brasileira de Cineantropometria e Desempenho Humano","volume":"136 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78240880","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 : 2020-02-27DOI: 10.1590/1980-0037.2020v22e60225
P. Souza, Diego Rodrigues Cravo Teixeira, Jaime Della Corte, Camila Aparecida de Souza Batista, H. Miranda, G. Paz
Abstract The aim of this study was to investigate the acute effect of intra-set antagonist static stretching (hamstrings) on the performance of maximum repetitions of knee extensors adopting muscle endurance training zone. The sample consisted of 15 healthy male volunteers with experience in strength training (23.7 ± 4.3 years, 81.9 ± 15.0 kg, 1.8 ± 0.1 m). Two experimental protocols were conducted: protocol without static stretching (PT) and antagonist stretching protocol (PAA) in the knee extension exercise. The results showed that there was no difference between protocols or interactions between protocols and sets in maximum repetitions performance (PT, set1 – 21.3 ± 3.4; set2 – 16.1 ± 1.9; set3 – 13.5 ± 1.3 / PAA, set1 – 21.0 ± 2.0; set2 – 16.7 ± 2.6; set3 – 13.7 ± 2.2) (p ≤ 0.05) (p ≤ 0.05). Therefore, antagonist static stretching does not influence performance of maximum repetitions of knee extensors over multiple sets focused on muscle endurance.
{"title":"Acute effect of intra-set static stretching on antagonists versus passive interval on the performance of maximum repetitions of agonists in leg extension machine","authors":"P. Souza, Diego Rodrigues Cravo Teixeira, Jaime Della Corte, Camila Aparecida de Souza Batista, H. Miranda, G. Paz","doi":"10.1590/1980-0037.2020v22e60225","DOIUrl":"https://doi.org/10.1590/1980-0037.2020v22e60225","url":null,"abstract":"Abstract The aim of this study was to investigate the acute effect of intra-set antagonist static stretching (hamstrings) on the performance of maximum repetitions of knee extensors adopting muscle endurance training zone. The sample consisted of 15 healthy male volunteers with experience in strength training (23.7 ± 4.3 years, 81.9 ± 15.0 kg, 1.8 ± 0.1 m). Two experimental protocols were conducted: protocol without static stretching (PT) and antagonist stretching protocol (PAA) in the knee extension exercise. The results showed that there was no difference between protocols or interactions between protocols and sets in maximum repetitions performance (PT, set1 – 21.3 ± 3.4; set2 – 16.1 ± 1.9; set3 – 13.5 ± 1.3 / PAA, set1 – 21.0 ± 2.0; set2 – 16.7 ± 2.6; set3 – 13.7 ± 2.2) (p ≤ 0.05) (p ≤ 0.05). Therefore, antagonist static stretching does not influence performance of maximum repetitions of knee extensors over multiple sets focused on muscle endurance.","PeriodicalId":38989,"journal":{"name":"Revista Brasileira de Cineantropometria e Desempenho Humano","volume":"218 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75611566","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 : 2020-02-27DOI: 10.1590/1980-0037.2020v22e67953
Sacha Clael, Camila Wells, R. Olegário, S. N. Chaves, Elaine Brandão, Liana Caland, Márcio Mota Rabelo, L. Bezerra
Abstract The aim of this study is to analyze if there is an association between excessive daytime sleepiness with muscle strength in people with Parkinson’s disease. This study is a cross-sectional study, with a quantitative approach. A total of 29 individuals with Parkinson’s disease were recruited and classified in one of four stages of the modified Hoehn and Yahr scale. To assess the excessive daytime sleepiness the Epworth Sleepiness scale was used. The muscle strength was assess with handgrip and isokinetic dynamometers. There are non-significant correlation between Epworth Sleepiness scale with muscle strength, p < 0.05 and rho < 0.3. The muscle strength assessed by handgrip and isokinetic dynamometers does not associated with excessive daytime sleepiness assessed by Epworth Sleepiness scale.
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Pub Date : 2020-02-27DOI: 10.1590/1980-0037.2020v22e6070
Estele Caroline Welter Meereis Lemos, E. C. Guadagnin, C. Mota
Abstract Physical exercise is an important option to maintain functional independence in older adults, however, it is not clear which type of exercise is the most benefic: strength or multicomponent. The objective was to verify the effectiveness of strength training and multicomponent training on functionality of healthy older patients through a systematic review with meta-analysis. Registration number: CRD42017071887. Two independent evaluators searched Pubmed, Web of Science, PEDro, Cochrane and Lilacs databases. Of the 1434 studies found, 32 clinical trials that investigated the effects of strength training only and/or combined with other modalities (multicomponent) in older adults and evaluated the Timed up and Go (TUG), sit-to-stand (STS) and/or Berg Balance Scale (BBS were included. The methodological quality was evaluated with the Downs & Black scale. Data analysis was performed with the Software Review Manager. It was verified improvement in all the investigated outcomes when performing multicomponent training in comparison to control groups. Strength training, compared to control groups, showed benefit only for sit to stand test. Studies comparing the two trainings found no difference between them. The not high average score in the methodological quality assessment of the included studies is a limitation of the present study. In conclusion, both types of training were effective to improve functionality and are good strategies of training for older individuals. However, as the comparison between the two types of training was performed in few studies, it is not possible to infer which is more effective for the functionality, suggesting the realization of new clinical trials.
体育锻炼是维持老年人功能独立性的重要选择，然而，目前尚不清楚哪种类型的运动最有益:力量运动还是多组分运动。目的是通过荟萃分析的系统评价来验证力量训练和多组分训练对健康老年患者功能的有效性。注册号:CRD42017071887。两名独立评估人员检索了Pubmed、Web of Science、PEDro、Cochrane和Lilacs数据库。在发现的1434项研究中，32项临床试验调查了老年人单独进行力量训练和/或结合其他方式(多组分)的效果，并评估了Timed up and Go (TUG)、sit-to-stand (STS)和/或Berg Balance Scale (BBS)。方法质量用Downs & Black量表进行评估。与Software Review Manager一起进行数据分析。与对照组相比，在进行多组分训练时，所有调查结果都得到了证实。与对照组相比，力量训练只对坐转站测试有好处。比较这两种训练的研究发现它们之间没有区别。纳入研究的方法学质量评价平均分不高是本研究的一个局限性。综上所述，这两种类型的训练都能有效地改善功能，是老年人良好的训练策略。然而，由于两种训练方式的比较研究较少，无法推断出哪种训练方式对功能更有效，提示需要实现新的临床试验。
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