International Journal of Strength and Conditioning最新文献_第6页

Development and Reliability of Countermovement Jump Performance in Youth Athletes at Pre-, Circa- and Post-Peak Height Velocity 青年运动员峰前、峰中、峰后反动作跳跃能力的发展与可靠性

International Journal of Strength and Conditioning Pub Date : 2023-02-10 DOI: 10.47206/ijsc.v3i1.149

Thomas Bright, Matthew J. Handford, J. Hughes, Peter D. Mundy, Jason P. Lake, L. Doggart

{"title":"Development and Reliability of Countermovement Jump Performance in Youth Athletes at Pre-, Circa- and Post-Peak Height Velocity","authors":"Thomas Bright, Matthew J. Handford, J. Hughes, Peter D. Mundy, Jason P. Lake, L. Doggart","doi":"10.47206/ijsc.v3i1.149","DOIUrl":"https://doi.org/10.47206/ijsc.v3i1.149","url":null,"abstract":"The purpose of this study was to determine the intrasession reliability of countermovement jump (CMJ) braking and propulsive phase variables in youth athletes. Thirty youth athletes between the age of 10- and 16-years volunteered to take part in this study. All participants performance 3 CMJ trials on a force platform. Thirteen of 16 CMJ variables were found to have acceptable absolute reliability in the pre-PHV group (CV% = 3.51-9.96) whilst the circa-PHV group contained 10 variables demonstrating acceptable absolute reliability (CV% = 2.37-9.67). Almost all variables (14 out of 16) in the post-PHV group were found to have acceptable absolute reliability (CV% = 2.59-9.61). Mean and peak braking RFD displayed poor absolute reliability in all maturity groups (CV% = 10.89-21.55). Time to take-off, braking and propulsive phase time and propulsive impulse demonstrated the largest differences between pre- and circa-PHV groups (p < 0.005; d > 0.95). Braking phase time, peak and mean braking force, mean braking power and RSImod demonstrated the biggest differences between the circa- and post-PHV groups (p < 0.001; d > 1.81). The poorest reliability scores were found in the circa-PHV group, demonstrating the need for additional familiarisation at this stage of maturity.","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128242292","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}

引用次数: 1

Investigating Vertical and Horizontal Force-Velocity Profiles in Club-Level Field Hockey Athletes: Do Mechanical Characteristics Transfer Between Orientation of Movement? 研究俱乐部水平曲棍球运动员的垂直和水平力-速度剖面:运动方向之间的机械特性转移吗?

International Journal of Strength and Conditioning Pub Date : 2023-02-03 DOI: 10.47206/ijsc.v3i1.188

Dylan Hicks, C. Drummond, Kym J. Williams, R. van den Tillaar

{"title":"Investigating Vertical and Horizontal Force-Velocity Profiles in Club-Level Field Hockey Athletes: Do Mechanical Characteristics Transfer Between Orientation of Movement?","authors":"Dylan Hicks, C. Drummond, Kym J. Williams, R. van den Tillaar","doi":"10.47206/ijsc.v3i1.188","DOIUrl":"https://doi.org/10.47206/ijsc.v3i1.188","url":null,"abstract":"To inform physical preparation strategies in field hockey athletes, this cross-sectional study investigated the transfer of mechanical characteristics in different force-vectors and determined the correlations between vertical and horizontal force-velocity profiles and performance outcomes. Thirty-one club-level field hockey athletes (age: 23.1 ± 4.3yrs, body mass: 70.6 ± 10.3kg, height: 1.72 ± 0.09m) performed vertical (jump) force-velocity profiles by performing countermovement jumps at three incremental loads, and horizontal (sprint) force-velocity profiles by performing maximal 30-meter sprint efforts. When comparing matched mechanical variables between F-v profiles in each force orientation, small to moderate significant correlations (0.37 ≤ r ≥ 0.62, p ≤ 0.03) were observed for relative theoretical maximal force (F0), power (PMAX) and theoretical maximal velocity (v0). The performance outcomes of both F-v profiles highlighted a large, significant negative correlation (r = -0.86, p = 0.001) between variables. Multiple linear regression analysis of F-v profiles identified F0 and v0 accounted for 74% and 94% of the variability in jump height and sprint time respectively, however v0 appeared to be a greater predictor of both performance outcomes. Due to the significant relationships between variables, the results of this study suggest vertical and horizontal F-v profiling explain the same key lower-limb mechanical characteristics, despite the orientation of the movement task. With club-level field hockey athletes, coaches could therefore use mechanical profiling methods interchangeably and prescribe physical preparation interventions to assess neuromuscular function plus mechanical strengths and weaknesses by performing one force-velocity assessment only.","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128344254","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}

引用次数: 1

Chaos in Strength and Conditioning Terminology 力量和调节术语中的混沌

International Journal of Strength and Conditioning Pub Date : 2023-01-25 DOI: 10.47206/ijsc.v3i1.141

M. Waller, I. Bonder, A. Shim

{"title":"Chaos in Strength and Conditioning Terminology","authors":"M. Waller, I. Bonder, A. Shim","doi":"10.47206/ijsc.v3i1.141","DOIUrl":"https://doi.org/10.47206/ijsc.v3i1.141","url":null,"abstract":"The field of strength and conditioning (S&C) has been adulterated with numerous, overlapping terms leading to miscommunication between athletes, sport coaches, strength and conditioning coaches (SCC) and sport scientists. Specifically, the use of various hyphenated terms to describe strength, in combination with contention associated with the proper definition and use of power, warrants the necessity to come to agreement on consistent terminology usage. Considerations should be based on the level of applicability and understanding of those most effected (athlete, sport coach, SCC, sport scientist). Moreover, while the use of kinetic and kinematic variables in describing strength and power related qualities is not incorrect, the population receiving the information must be considered. Athletes and sport coaches may be more influenced by simple cues and descriptors used to create movement intent and overall “buy in” to the S&C plan. Furthermore, SCC may be more concerned with how an exercise or movement will relate to improved sport performance while sport scientists may be more interested with how a specific variable(s) can be measured and quantified. Should the use of ambiguous, overlapping, or complex terminology persist, each of the various populations listed may continue to talk past one another instead of striving to be in agreeance with one another. Additionally, SCC may struggle with exercise selection and muddled programming due to the “paralysis by analysis” phenomenon when attempting to disseminate which exercises and movements to prescribe. Ultimately, the athlete may be most affected due to limited physiological improvement in turn leading to sub-par performance outcomes. Thus, the primary objectives of this article are to advance the field by creating an open discourse between the various individuals involved with the S&C profession while simultaneously shedding light on uncertainty associated with overlapping terms used to describe strength, power and other physical qualities associated with sports performance.","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116526725","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}

引用次数: 0

Annual Changes in the Physical Characteristics of Japanese Division I Collegiate American Football Players 日本甲级美国大学橄榄球运动员身体特征的年度变化

International Journal of Strength and Conditioning Pub Date : 2023-01-20 DOI: 10.47206/ijsc.v3i1.131

Daichi Yamashita, Shinto Kinoshita, Takeshi Sakaguchi

{"title":"Annual Changes in the Physical Characteristics of Japanese Division I Collegiate American Football Players","authors":"Daichi Yamashita, Shinto Kinoshita, Takeshi Sakaguchi","doi":"10.47206/ijsc.v3i1.131","DOIUrl":"https://doi.org/10.47206/ijsc.v3i1.131","url":null,"abstract":"We aimed to examine the annual changes in various physical characteristics of Japanese Division I (D1) Collegiate American footballers according to their positional groups. We measured body mass, and assessed performance in three gym tests (bench press, back squat, and power clean) and three field tests (40-yard dash, pro-agility shuttle, and broad jump) at each pre-season from 2014 to 2016 for players from a Japanese D1 university. Data from 55 players who completed ≥ 50% (three out of six) of the performance measurements in consecutive years were used in this analysis. Performance data across the two positional groups (skill players and linemen) were analyzed using pairwise t-tests to determine annual changes. The skill players’ body mass increased from their freshman to sophomore years (p < 0.05, Cohen’s d > 0.8), but not from their sophomore to junior or junior to senior years. The skill players’ 40-yard sprint time was shorter between all the annual comparisons (p < 0.05, d > 0.8). The linemen’s body mass increased from their freshman to sophomore years, and maintained from their sophomore to junior years and junior to senior years. There were significant improvements in strength and power outputs, but limited improvements in the pro-agility run and broad jump among most of the annual class comparisons for each positional group. These results indicate that annual improvements in the physical characteristics occur nonlinearly for Japanese D1 footballers. They will benefit from targeted strength and conditioning programs. However, the improvements of jumping and agility performances may be limited.","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133752302","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}

引用次数: 0

Examining the Relationship Between Countermovement and Squat Jump Measures Amongst Elite Development Female Football and Rugby Players 优秀女子足球、橄榄球运动员反动作与深蹲跳动作的关系研究

International Journal of Strength and Conditioning Pub Date : 2023-01-12 DOI: 10.47206/ijsc.v3i1.109

J. Collins, J. Parker, M. McKean, G. Lovell, Luke Hogath

{"title":"Examining the Relationship Between Countermovement and Squat Jump Measures Amongst Elite Development Female Football and Rugby Players","authors":"J. Collins, J. Parker, M. McKean, G. Lovell, Luke Hogath","doi":"10.47206/ijsc.v3i1.109","DOIUrl":"https://doi.org/10.47206/ijsc.v3i1.109","url":null,"abstract":"Purpose: In response to the need for a single low cost, relatively quick, minimally invasive test of strength, power, and velocity for elite development standard female football and rugby players requiring minimal staff expertise and sophisticated equipment, with benchmark standards, this study had two aims. Firstly, how countermovement jump (CMJ) and squat jump (SJ) tests associate with commonly used football and rugby strength and velocity tests. Secondly, to propose benchmark standards for elite development level female football and rugby players. \u0000Methods: Participants were 60 elite development level female football and rugby players. Data were collected as part of the participants’ elite pathway development academy programs. Measures included absolute lower body strength (ALS) assessed using three repetition maximum (3RM) trap bar deadlift, relative lower body strength (ALS / body weight), CMJ and SJ using bodyweight only, and running sprint velocities over 10 m and 40 m. \u0000Results: For the football sample, CMJ and SJ had significant relationships with RLS (r=0.496, p<0.01 and r=0.499, p<.01 respectively) and 10 m sprint velocity (r=0.579, p<0.001 and r=0.481, p<0.01 respectively), but not with ALS nor 40 m sprint velocity. For the rugby sample, CMJ and SJ also had significant associations with RLS (r=0.539, p<0.01 and r=0.449, p<.05 respectively) and 10 m sprint velocity (r=0.742, p<0.001 and r=0.797, p<0.001 respectively), as well as with 40 m sprint velocity (r=0.598, p<0.01 and r=0.651, p<0.001 respectively). \u0000Conclusion: CMJ and SJ represent low cost, relatively quick, minimally invasive tests of strength, power, and velocity suitable for elite development standard female football and rugby players’ performance assessment, benchmarking, and monitoring. \u0000 ","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126046980","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}

引用次数: 0

Perception of Barbell Velocity: Can Individuals Accurately Perceive Changes in Velocity? 杠铃速度感知:个体能否准确感知速度变化?

International Journal of Strength and Conditioning Pub Date : 2023-01-03 DOI: 10.47206/ijsc.v3i1.161

M. Shaw, Steve W. Thompson, Per Aslak Myranuet, Håvard Tonheim, J. Nielsen, J. Steele

{"title":"Perception of Barbell Velocity: Can Individuals Accurately Perceive Changes in Velocity?","authors":"M. Shaw, Steve W. Thompson, Per Aslak Myranuet, Håvard Tonheim, J. Nielsen, J. Steele","doi":"10.47206/ijsc.v3i1.161","DOIUrl":"https://doi.org/10.47206/ijsc.v3i1.161","url":null,"abstract":"The aim of the study was to investigate whether resistance-trained participants can accurately predict changes in barbell velocity, specifically in the deadlift exercise, without feedback from velocity based training (VBT) devices. Seventeen participants (16 male, 1 female; age = 24.7 ± 3.8) were randomized in a counterbalanced, crossover design two experimental sessions that consisted of three sets of Deadlift at 60-and-80% one-repetition maximum (1RM). The number of repetitions were determined by the participants as they were asked to terminate each set when they felt the barbell velocity had reduced by 20%, relative to repetition one. A binomial mixed effects regression model was used to assess the accuracy of participants ability to stop after reaching at least 20% velocity loss. Participants tended to underestimate their proximity to 20% velocity loss and thus had relatively low probability of correctly stopping after reaching this threshold. There was only a 10.49% probability that people could perceive at least 20% velocity loss greater than chance (i.e., 50% probability). Our data, suggests that most participants cannot accurately perceive changes in velocity without exposure to augmented feedback. \u0000 \u0000 ","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131086167","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}

引用次数: 0

Hamstring Rehabilitation Scholarship 腿筋康复奖学金

International Journal of Strength and Conditioning Pub Date : 2022-12-23 DOI: 10.47206/ijsc.v2i1.91

Andrew D Benton, D. Benton

{"title":"Hamstring Rehabilitation Scholarship","authors":"Andrew D Benton, D. Benton","doi":"10.47206/ijsc.v2i1.91","DOIUrl":"https://doi.org/10.47206/ijsc.v2i1.91","url":null,"abstract":"Hamstring injuries are one of the most common lower limb injuries found in sport and this study illustrates the utility of bibliometric analysis in examining a topic from a strength and conditioning coach perspective. \u0000 \u0000This study identifies key areas of scholarship relating to the rehabilitation of hamstring injury among athletes and compares this with the total corpus of literature on the topic. A range of bibliometric measures are used that entail multi-dimensional scaling to identify clusters of related themes, authors, countries, and journals central to the evolution of the evidential-base. \u0000 \u0000A corpus of 2439 articles on hamstring rehabilitation were retrieved and of these 815 papers relating to hamstring rehabilitation and athletes. Indexed research on the topic commenced in the early 1980s and has expanded at an exponential rate since then. Key authors (Dr J.I. Tol and Dr D.A. OPAR) and prolific countries (USA, Australia, and UK) have been identified. Examination of journal sources reveals that scholarship on this topic conforms to Bradford’s law of scattering and a total of 7 journals forms the core of published work in this space - British Journal of Sports Medicine; American Journal of Sports Medicine; Scandinavian Journal of Medicine and Science in Sport; Sports Medicine; Journal of Orthopaedic and Sports Physical Therapy; and Medicine and Science in Sports and Exercise. \u0000 \u0000This study demonstrates the utility of bibliometric analysis in identifying areas of significant importance to strength and conditioning coaches, documents prolific authors, and highlights countries that dominate knowledge development. Neophyte practitioners can use these findings to seek out collaborative partners, pursue under-researched areas of inquiry and target their work for publication at relevant journals adding to the evidential-base.","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131847316","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}

引用次数: 0

Bilateral Ground Reaction Force Asymmetry During Supramaximal Drop Landings 超最大值降落时的双边地面反作用力不对称

International Journal of Strength and Conditioning Pub Date : 2022-12-16 DOI: 10.47206/ijsc.v2i1.160

L. Barker, J. Harry

{"title":"Bilateral Ground Reaction Force Asymmetry During Supramaximal Drop Landings","authors":"L. Barker, J. Harry","doi":"10.47206/ijsc.v2i1.160","DOIUrl":"https://doi.org/10.47206/ijsc.v2i1.160","url":null,"abstract":"Bilateral vertical ground reaction forces (vGRF) asymmetries have not been investigated during supramaximal drop heights. The first purpose of this study was to investigate the influence of drop height on impact and attenuation vGRF impulses. 19 young adults completed the protocol (14 males, 5 females, age: 21.3 ± 0.75 years, mass: 75.1 ± 10.2 kg, height: 171.4 ± 7.9 cm, 1RM back squat relative to mass: 1.72 ± 0.4), which included bilateral drop landings starting at 0.3 m going up to 1.52 m in increments of 0.152 m. Asymmetries were calculated from impact impulse, loading rate, peak vGRF, attenuation impulse, and total impulse. Linear regressions analyzed these variables with respect to drop height at the group and individual levels. All dependent variables measuring asymmetrical force production produced negative regression slopes at the group level, but the adjusted R2 values ranging 0.06 to 0.15 indicate drop height accounted for minimal variance in asymmetry variables. However, examination of individual asymmetry responses reveals noteworthy adjusted R2 values for athlete monitoring and return to play considerations in competitive sport. Seven participants displayed significant reductions in asymmetry values as drop height increased with R2 values ranging from 0.23-0.64. Practitioners and coaches using landing asymmetry measurements to support return to play decisions should consider the inclusion of larger drop heights to avoid false positive asymmetry results and encourage participants to land as quickly as possible with maximal effort.","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127506504","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}

引用次数: 0

Profiling The Physiological Parameters of Boxers in The Parachute Regiment. ‘Every Man an Emperor’ 空降团拳击手生理参数分析。“人人都是皇帝”

International Journal of Strength and Conditioning Pub Date : 2022-12-08 DOI: 10.47206/ijsc.v2i1.157

L. Brown, G. Doyle, Kim Hastings, Charlotte Thornton-White, A. Galbraith

{"title":"Profiling The Physiological Parameters of Boxers in The Parachute Regiment. ‘Every Man an Emperor’","authors":"L. Brown, G. Doyle, Kim Hastings, Charlotte Thornton-White, A. Galbraith","doi":"10.47206/ijsc.v2i1.157","DOIUrl":"https://doi.org/10.47206/ijsc.v2i1.157","url":null,"abstract":"This study aimed to collect and identify the physiological parameters that are required to produce winning performances in an army boxing competition. Army boxing competitions are sanctioned and governed by ‘England Boxing’ and consist of three rounds of two minutes with one-minute restorative periods. The Parachute Regiment are an elite infantry fighting force within the British military, with a continued success in the inter-army boxing championships. 22 male participants were recruited (mean ± SD age 28 ± 2 years, stature 178 ± 8.1cm, body mass 79 ± 7.1 kg, BMI 24.9 ±2.5).Body fat %. V̇O2max, lower limb power, and 1RM max strength test protocols for back squat and bench press were performed. Additionally, impact punch power measured from rear hand cross strikes, and punching velocities were measured using a linear positional transducer. Countermovement (CMJ) and repetitive (n=10) jump data were collected using a jump mat. The physiological parameters in mean scores; body composition showed body fat 11.8±8.1%: CMJ height 35.5±5cm: Repetitive jump 28.5±5.6cm: Wingate peak power (body mass to power ratio) 11.5±1.6W/kg: Wingate average power, 8.1±1.4W/kg: V̇O2max 53±4.8 ml.kg-1.min-1: Back squat (body mass to weight lifted ratio) 1.95±0.2kg: Bench press 1.1±0.1kg/BW: Rear cross strike velocity 8.47±0.8m/s: Impact power 15227±2250W. Significant relationships were observed between anthropometric data and power, strike velocity and V̇O2max in addition to relationships being evident between some strength and power variables. by the participants in this study. Although punch impact power is an essential performance indicator in boxing, other physiological factors, such as lower limb power and strength have been demonstrated to attribute to the continued winning performances by 3PARA boxing team.","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131499450","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}

引用次数: 0

Muscular Adaptations in Drop Set vs. Traditional Training: A meta-analysis Drop Set与传统训练中的肌肉适应性:一项荟萃分析

International Journal of Strength and Conditioning Pub Date : 2022-11-28 DOI: 10.47206/ijsc.v2i1.135

Max Coleman, Khalil Harrison, Roberto Arias, Ericka Johnson, J. Grgic, J. Orazem, B. Schoenfeld

{"title":"Muscular Adaptations in Drop Set vs. Traditional Training: A meta-analysis","authors":"Max Coleman, Khalil Harrison, Roberto Arias, Ericka Johnson, J. Grgic, J. Orazem, B. Schoenfeld","doi":"10.47206/ijsc.v2i1.135","DOIUrl":"https://doi.org/10.47206/ijsc.v2i1.135","url":null,"abstract":"The purpose of this paper was to systematically review and meta-analyze the effects of drop set training (DS) vs. traditional training (TRAD) on measures of muscle strength and hypertrophy. We carried out a comprehensive search on PubMed/MEDLINE, Scopus, Web of Science, and CINAHL databases for studies that satisfied the following criteria: (a) had a randomized experimental design (either within- or between-group); (b) directly compared DS versus TRAD; (c) assessed changes in muscular strength and/or hypertrophy; (d) had a training protocol that lasted a minimum of 6 weeks, and; (e) involved apparently healthy participants. We employed a robust variance meta-analysis model, with adjustments for small samples. Study quality was assessed by the Downs and Black checklist. A total of 5 studies met inclusion criteria. Qualitative assessment indicated the included studies were of moderate to good quality. For the strength outcomes results indicated a trivial point estimate of the effect size (ES) with a relatively narrow precision for the confidence interval (CI) estimate (0.07; 95% CI = -0.14, 0.29). Similarly, results for the hypertrophy outcomes indicated a trivial point estimate of the ES with a relatively narrow precision for the CI estimate (0.08; 95% CI = -0.08, 0.24). In conclusion, DS and TRAD appear to have similar effects on muscular strength and hypertrophy. This would seem to indicate that both DS and TRAD are viable options for promoting muscular adaptations; DS may provide a more time-efficient alternative for achieving results.","PeriodicalId":170948,"journal":{"name":"International Journal of Strength and Conditioning","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121719599","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}

引用次数: 7