Translational sports medicine最新文献_第10页

Is skeletal muscle echo intensity more indicative of voluntary or involuntary strength in young women? 在年轻女性中，骨骼肌回声强度更能指示自愿力量还是非自愿力量?

Translational sports medicine Pub Date : 2021-02-08 DOI: 10.1002/tsm2.234

R. M. Girts, R. J. MacLennan, K. K. Harmon, M. Stock

{"title":"Is skeletal muscle echo intensity more indicative of voluntary or involuntary strength in young women?","authors":"R. M. Girts, R. J. MacLennan, K. K. Harmon, M. Stock","doi":"10.1002/tsm2.234","DOIUrl":"https://doi.org/10.1002/tsm2.234","url":null,"abstract":"Echo intensity has been associated with measures of muscle strength; however, associations between echo intensity and voluntary performance assume descending drive are optimal and participants are motivated. This study aimed to compare relationships between echo intensity versus involuntary and voluntary strength. Eighteen females (age = 21 ± 2 years) participated. Echo intensity was quantified from B‐mode ultrasound images obtained from the quadriceps femoris. Isometric maximal voluntary contractions (MVC) of the knee extensors were performed, and peak involuntary strength was assessed via the interpolated twitch technique. Pearson correlation coefficients evaluated relationships between corrected echo intensity, cross‐sectional area (CSA), MVC strength, and involuntary strength. A partial correlation assessed the association between corrected echo intensity versus peak involuntary torque while controlling for CSA and MVC torque. A stepwise multiple regression model was run with echo intensity as the dependent variable. Peak involuntary torque was the single best predictor of echo intensity (R = 0.580, P = .015). Importantly, involuntary and voluntary strength were not associated (r = .386, P = .126). Echo intensity was not significantly correlated with peak involuntary strength when controlling for CSA and MVC strength (r = −.474, P = .074). Echo intensity is likely more closely related to involuntary strength than voluntary strength.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"518 - 523"},"PeriodicalIF":0.0,"publicationDate":"2021-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.234","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46775509","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

Ultrasound‐guided injection therapy with platelet‐rich plasma in recreational athletes with patellar tendinopathy: A randomized, single blinded, placebo‐controlled trial with 3 months follow‐up 超声引导下用富含血小板的血浆注射治疗患有髌腱病的娱乐性运动员：一项随机、单盲、安慰剂对照试验，随访3个月

Translational sports medicine Pub Date : 2021-02-02 DOI: 10.1002/tsm2.232

T. Krogh, S. Kjær, Jesper Blegvad‐Nissen, Pia Jensen, T. Ellingsen, U. Fredberg

{"title":"Ultrasound‐guided injection therapy with platelet‐rich plasma in recreational athletes with patellar tendinopathy: A randomized, single blinded, placebo‐controlled trial with 3 months follow‐up","authors":"T. Krogh, S. Kjær, Jesper Blegvad‐Nissen, Pia Jensen, T. Ellingsen, U. Fredberg","doi":"10.1002/tsm2.232","DOIUrl":"https://doi.org/10.1002/tsm2.232","url":null,"abstract":"Patellar tendinopathy is a common injury in athletes. In this study we wanted to examine whether 1 injection of platelet‐rich plasma (PRP) was more effective than placebo (saline) in the treatment of athletes with patellar tendinopathy. Twenty‐four athletes with patellar tendinopathy of at least 6 months’ duration were randomly assigned to receive either a blinded injection of PRP (n = 12) or saline (n = 12). The primary endpoint was improvement in Victorian Institute of Sports Assessment‐Patella (VISA‐P) score at 3 months. Secondary outcomes included changes in pain at rest, while walking, and when the tendon was squeezed. Ultrasonographic outcomes were changes in tendon thickness, the presence and size of a central hypoechoic area, and color Doppler activity. There was no difference between the PRP group and the saline group with regard to the primary outcome, VISA‐P score mean difference 5.4 (95% confidence interval –5.5 to 16.4, P = 0.316). There were no statistically significant differences observed in any of the secondary outcomes. In conclusion, in this blinded, randomized, controlled trial, there was no improvement in VISA‐P score, ultrasonography, or any other outcome measures 3 months after an injection of PRP compared with a saline injection.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"344 - 355"},"PeriodicalIF":0.0,"publicationDate":"2021-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.232","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46211226","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

Chronic recalcitrant medial tibial stress syndrome: Is surgery an option? 慢性顽固性胫骨内侧应激综合征:手术是一种选择吗?

Translational sports medicine Pub Date : 2021-02-01 DOI: 10.1002/tsm2.231

S. Vogels, E. Ritchie, H. P. H. Hundscheid, L. Janssen, A. Hoogeveen, W. Zimmermann, R. Hoencamp, M. Scheltinga

引用次数: 1

Placebo and nocebo in sports: Potential effects of hypothetical differences in roll resistance on roller ski performance 运动中的安慰剂和反安慰剂:滚动阻力假设差异对滚轴滑雪表现的潜在影响

Translational sports medicine Pub Date : 2021-01-25 DOI: 10.1002/tsm2.230

B. Blumenstein, F. Abrahamsen, T. Losnegard

{"title":"Placebo and nocebo in sports: Potential effects of hypothetical differences in roll resistance on roller ski performance","authors":"B. Blumenstein, F. Abrahamsen, T. Losnegard","doi":"10.1002/tsm2.230","DOIUrl":"https://doi.org/10.1002/tsm2.230","url":null,"abstract":"Although placebo and nocebo effects of ergogenic aids are acknowledged as significant for sports performance, little is known about the effects of sports equipment. Therefore, we examined how athletes’ belief about their sports equipment affected roller ski performance in a short time trial. In a cross‐over design trial, 21 junior cross‐country skiers completed a repeated 45 m indoor double poling protocol followed by post‐experimental questionnaires on their subjective rating of the performance. All trials were performed on roller skis with equal roll resistance. For the baseline trial, the skis were marked as “medium resistance.” For the experimental trials, skis were marked as “low resistance” (placebo), and “high resistance” (nocebo). The mean speed was not different from the placebo trial to the baseline trial, but slower for the nocebo trial compared to the baseline trial (mean ± 95 CI; −0.7% ± 0.4%, P = .005), with a small effect size (Cohen's d = 0.15). Subjective experience of speed as was significantly different from baseline to experimental outcomes (placebo: P < .001; nocebo: P < .002). In conclusion, our findings reveal that athletes' negative perceptions of their sports equipment may have reduced their performance times. However, future examinations should further explore whether athletes' negative perception of equipment may affect their performance.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"401 - 408"},"PeriodicalIF":0.0,"publicationDate":"2021-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.230","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46868786","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

Association between corticospinal inhibition and active dorsiflexion range of motion in patients with chronic ankle instability 慢性踝关节不稳患者的皮质脊髓抑制与主动背屈活动度之间的关系

Translational sports medicine Pub Date : 2021-01-23 DOI: 10.1002/tsm2.229

Kyle B. Kosik, M. Terada, Ryan S. McCann, Colin P. Drinkard, P. Gribble

{"title":"Association between corticospinal inhibition and active dorsiflexion range of motion in patients with chronic ankle instability","authors":"Kyle B. Kosik, M. Terada, Ryan S. McCann, Colin P. Drinkard, P. Gribble","doi":"10.1002/tsm2.229","DOIUrl":"https://doi.org/10.1002/tsm2.229","url":null,"abstract":"Decreased corticospinal excitability of the anterior tibialis muscle may contribute to the persistent deficits in dorsiflexion range of motion (DFRoM) associated with chronic ankle instability (CAI). The purpose of this study was to examine the association between corticospinal excitability and inhibition of the anterior tibialis muscle and active DFRoM in patients with CAI. Twenty‐one participants (age = 22.7 ± 3.3 years, height = 168.43 ± 8.0 cm, weight = 70.6 ± 14.4 kg) were enrolled in this controlled laboratory study. Corticospinal excitability and inhibition were assessed using Transcranial Magnetic Stimulation. Eight stimuli were delivered at 120% of active motor threshold. Each peak‐to‐peak motor evoked potential (MEP) amplitude, and subsequent cortical silent period (CSP) was recorded for statistical analysis. Maximum active DFRoM was assessed using a bubble inclinometer with participants seated on the edge of a treatment table and the knee flexed to 90°. Separate Spearman Rho and Pearson product moment correlations were used to assess the relationship between measures of corticospinal excitability and inhibition and active DFRoM. A moderate negative correlation was found between CSP and DFR0M (P = .006, r = −.533). Corticospinal inhibition of the anterior tibialis may influence active DFRoM. Addressing centrally mediated alterations may be an important factor in restoring DFRoM in individuals with CAI.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"395 - 400"},"PeriodicalIF":0.0,"publicationDate":"2021-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.229","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41480076","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: 2

Gaze stabilization function does not predict injury incidence among collegiate athletes 凝视稳定功能不能预测大学生运动员的损伤发生率

Translational sports medicine Pub Date : 2021-01-21 DOI: 10.1002/tsm2.228

Rebecca A. Bliss, Addie Long, C. Anderson, Allison Niederee, Hannah Arellanes, Kelly Quinlin

{"title":"Gaze stabilization function does not predict injury incidence among collegiate athletes","authors":"Rebecca A. Bliss, Addie Long, C. Anderson, Allison Niederee, Hannah Arellanes, Kelly Quinlin","doi":"10.1002/tsm2.228","DOIUrl":"https://doi.org/10.1002/tsm2.228","url":null,"abstract":"Maintenance of visual acuity during head movement is essential for optimal performance in sport. While it seems reasonable to suspect that reduced gaze stabilization might impair physical performance on the playing field and contribute to increased incidence of injury, the relationship between gaze stabilization function and athletic injury has not been examined. The purpose of this study was to examine the influence of gaze stabilization on the incidence of injury in collegiate athletes. A total of 147 collegiate athletes were assessed using the Neurocom Invision gaze stabilization test (GST) prior to season of play in the horizontal plane. Injury reports for each athlete were recorded during the fall season, and then, comparisons between GST performance for those injured versus not were performed. Fifty‐eight percent of the athletes were injured during the season. There was no difference in average GST scores or asymmetry between athletes who sustained injury during season and those who did not. Lower horizontal gaze stabilization function does not appear to be associated with an increase in injury incidence in collegiate athletes. Baseline gaze stabilization testing is not recommended for identification of athletes at risk but could be utilized to establish baseline function.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"356 - 361"},"PeriodicalIF":0.0,"publicationDate":"2021-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.228","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44853286","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

Acute effects of combined static stretching and electrical stimulation on joint range of motion and passive stiffness 静态拉伸和电刺激联合对关节活动范围和被动僵硬的急性影响

Translational sports medicine Pub Date : 2021-01-19 DOI: 10.1002/tsm2.227

Takamasa Mizuno

{"title":"Acute effects of combined static stretching and electrical stimulation on joint range of motion and passive stiffness","authors":"Takamasa Mizuno","doi":"10.1002/tsm2.227","DOIUrl":"https://doi.org/10.1002/tsm2.227","url":null,"abstract":"This study aimed to determine the acute effects of combined static stretching (SS) and electrical stimulation (ES) on joint range of motion (ROM) and passive muscle and tendon properties. Sixteen healthy men participated in two randomly ordered experimental trials, which comprised a combination of SS and ES (SS + ES), and SS alone. In the SS + ES trial, participants performed 5 minutes of calf stretching while receiving ES of the gastrocnemius medialis, whereas in the SS trial the participants performed calf stretching only. Maximal dorsiflexion angle, passive torque, and displacement of the muscle‐tendon junction were measured before and after intervention. The stiffness of the muscle and muscle‐tendon unit was calculated. Compared with the pre‐intervention values, there were significant increases in ankle ROM and passive torque at maximal dorsiflexion angle after both interventions. In addition, the passive torque at the submaximal dorsiflexion angle and stiffness of the muscle‐tendon unit were significantly decreased after both interventions. However, none of the assessed parameters significantly differed between the SS + ES and SS trials. These results show that 5 minutes of SS increases ankle ROM and changes the passive properties of the muscles. However, there is no additional effect of adding ES to SS.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"378 - 385"},"PeriodicalIF":0.0,"publicationDate":"2021-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.227","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49065503","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

Mechanisms of sport‐related injuries in physical education teacher education students: A descriptive analysis of 896 injuries 体育教师教育学生运动相关损伤的机制:896例损伤的描述性分析

Translational sports medicine Pub Date : 2021-01-16 DOI: 10.1002/tsm2.225

S. Bliekendaal, M. Barendrecht, J. Stubbe, E. Verhagen

{"title":"Mechanisms of sport‐related injuries in physical education teacher education students: A descriptive analysis of 896 injuries","authors":"S. Bliekendaal, M. Barendrecht, J. Stubbe, E. Verhagen","doi":"10.1002/tsm2.225","DOIUrl":"https://doi.org/10.1002/tsm2.225","url":null,"abstract":"The aim of this study was to determine sport‐related injury mechanisms in physical education teacher education (PETE) students. This prospective cohort study (40 weeks) in first‐year PETE students obtained self‐reported characteristics of injuries (body part, injury setting, injury mechanism, and movements related to the cause of injury). Students (N = 759) from the academic years of 2015‐2016, 2016‐2017, and 2017‐2018 participated in this study. Descriptive data analysis was conducted on the injury characteristics. In total, 896 injuries were registered by 489 (64%) students. Large proportions of the injuries resulted from both non‐contact (N = 496, 56%) and contact (N = 381, 42%) mechanisms. The most common injury mechanism was gradual onset non‐contact (N = 275, 31%). High proportions of non‐contact injuries were found in curricular practices (N = 120, 44%) and extra‐curricular practices (N = 30, 38%). Injuries during extra‐curricular games were mainly contact related (N = 133, 81%). Furthermore, injury onset was most commonly associated with a landing (N = 179, 29%), a fall (N = 158, 25%), and an explosive movement (N = 114, 18%). The most common injury mechanism was gradual onset non‐contact. For practices (curricular and extra‐curricular) and extra‐curricular games, the most common injury mechanism was, respectively, non‐contact and contact with an person. Furthermore, injuries were most commonly associated with landings, falls, and explosive movements.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"368 - 377"},"PeriodicalIF":0.0,"publicationDate":"2021-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.225","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43004615","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

Knee wraps increase torque production during passive isometric knee extension 膝关节包裹增加扭矩生产在被动等距膝关节伸展

Translational sports medicine Pub Date : 2021-01-10 DOI: 10.1002/tsm2.221

Joseph A. Laudato, Brandon M. Gibson, Brandon A. Miller, C. Martin, Cody Dulaney, Cardyl P. Trionfante, Adam R. Jajtner

{"title":"Knee wraps increase torque production during passive isometric knee extension","authors":"Joseph A. Laudato, Brandon M. Gibson, Brandon A. Miller, C. Martin, Cody Dulaney, Cardyl P. Trionfante, Adam R. Jajtner","doi":"10.1002/tsm2.221","DOIUrl":"https://doi.org/10.1002/tsm2.221","url":null,"abstract":"Knee wraps (KW) can be used as an ergogenic aid during the back squat to increase training volume and load. Previous investigations have examined carryover effect during the back squat, though the amount of torque produced at the knee due to the KWs remains unknown. Therefore, this investigation examined the influence of KWs on passive torque production, and its relationship to knee circumference. Nine resistance trained men performed two, 5 second passive isometric knee extensions with (KW) and without (UW) knee wraps at nine different angles (70°, 75°, 80°, 85°, 90°, 95°, 100°, 105°, and 110°). Data were analyzed via two‐way repeated measures ANOVA to assess differences between conditions, while Pearson's product‐moment correlations were used to assess the relationship between torque production and knee circumference. A significant interaction was observed for passive torque, revealing differences between all angles in KW (P ≤ .05), while differences during UW were only observed at angles greater than 90° (P ≤ .05). Paired samples t‐tests indicated differences between conditions at every angle except 70° (P ≤ .05). Knee circumference was not correlated to torque production at any angle (r = ≤ .411, P > .272). These results demonstrate the applicability of KW to passively increase torque produced at the knee during extension, independent of knee circumference.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"362 - 367"},"PeriodicalIF":0.0,"publicationDate":"2021-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.221","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42045763","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

In your shoes: A qualitative study on the perspectives of professional dancers and staff regarding dance injury and its prevention 站在你的角度:一项关于专业舞者和工作人员对舞蹈伤害及其预防的观点的定性研究

Translational sports medicine Pub Date : 2021-01-04 DOI: 10.1002/tsm2.226

C. Bolling, R. V. van Rijn, H. Pasman, W. van Mechelen, J. Stubbe

{"title":"In your shoes: A qualitative study on the perspectives of professional dancers and staff regarding dance injury and its prevention","authors":"C. Bolling, R. V. van Rijn, H. Pasman, W. van Mechelen, J. Stubbe","doi":"10.1002/tsm2.226","DOIUrl":"https://doi.org/10.1002/tsm2.226","url":null,"abstract":"This study explored the perspectives of dancers and staff of the Dutch National Ballet, regarding injury definition, injury risk factors, and preventive measures. We conducted two focus groups: one with the medical/artistic staff and another with dancers. Data were analyzed inductively by two independent coders, through the constant comparative method, based on Grounded Theory. Participants defined an injury based mainly on dance performance limitations, while pain and time loss reflected injury severity. Dance injury was described as a spectrum of injury levels that depend on the ability to perform to the best of their ability, pain levels, and potential modification on dance participation. The imbalance between workload and the dancers' capacity to deal with load was perceived as the main cause related to injuries. Workload was presented as a complex equation, combining consistency, repertoire demands, daily schedule, traveling plan, and their interrelations. Injury prevention was described as a dynamic balance between being prepared to deal with load and managing load. The critical factors that modulate the injury prevention process were as follows: teamwork, communication, experience, and planning. Our findings show injury is not defined by a clear cutoff, with multiple injury risk factors interacting and evolving, making injury prevention a constant challenge.","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"4 1","pages":"386 - 394"},"PeriodicalIF":0.0,"publicationDate":"2021-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/tsm2.226","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43737335","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: 13