Physical Therapy in Sport最新文献_第8页

Trunk strength and endurance testing in field-athletes: A reliability study 田径运动员躯干力量和耐力测试：可靠性研究

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-07-28 DOI: 10.1016/j.ptsp.2025.07.012

Thomas A. Dekkers , Catherine Blake , Kieran D. Collins , Joseph G. McVeigh , Kieran J. O'Sullivan

{"title":"Trunk strength and endurance testing in field-athletes: A reliability study","authors":"Thomas A. Dekkers , Catherine Blake , Kieran D. Collins , Joseph G. McVeigh , Kieran J. O'Sullivan","doi":"10.1016/j.ptsp.2025.07.012","DOIUrl":"10.1016/j.ptsp.2025.07.012","url":null,"abstract":"<div><h3>Objectives</h3><div>Despite the important role of the trunk muscles in athletic performance and the onset of injury, consensus is lacking as to the best methods to assess trunk strength and endurance in athletic populations in the field. This study aimed to examine the intra-rater reliability of a battery of trunk strength and endurance tests.</div></div><div><h3>Design</h3><div>Test-retest reliability study.</div></div><div><h3>Setting</h3><div>Isometric trunk strength using a hand-held dynamometer (HHD) and isometric trunk endurance using the McGill protocol and novel ‘long-lever’ tests were evaluated.</div></div><div><h3>Participants</h3><div>Twenty-three male field-athletes.</div><div>Main Outcome Measures: Intra-class coefficient (ICC) and standard error of measurement (SEM).</div></div><div><h3>Results</h3><div>For relative reliability, good to excellent results were found for all HHD strength tests (ICC = 0.70–0.91). Relative reliability for trunk endurance tests showed excellent results for the McGill protocol (ICC = 0.80–0.89) and moderate to excellent reliability for the long-lever tests (ICC = 0.57–0.96). The V-Sit endurance test and the isometric lateral flexion strength test showed lower absolute reliability, with relatively high SEM values.</div></div><div><h3>Conclusions</h3><div>Therefore, we recommend practitioners assess athlete trunk function by using a HHD to evaluate isometric flexion, extension and rotation trunk strength and the Biering-Sørenson, and long-lever lateral flexion and flexion tests to assess trunk endurance.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 105-112"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144852584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The impact of sport-related concussion history on neck strength in elite Australian rules football and rugby league athletes 运动相关的脑震荡历史对精英澳式足球和橄榄球联盟运动员颈部力量的影响

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-08-06 DOI: 10.1016/j.ptsp.2025.08.001

Akram Kavyani , Matthew Bourne , Morgan Williams , Ryan Timmins , Kerry Peek , Hunter Bennett , Marco Mastrorocco , Joel M. Garrett

{"title":"The impact of sport-related concussion history on neck strength in elite Australian rules football and rugby league athletes","authors":"Akram Kavyani , Matthew Bourne , Morgan Williams , Ryan Timmins , Kerry Peek , Hunter Bennett , Marco Mastrorocco , Joel M. Garrett","doi":"10.1016/j.ptsp.2025.08.001","DOIUrl":"10.1016/j.ptsp.2025.08.001","url":null,"abstract":"<div><h3>Objectives</h3><div>To investigate whether sport-related concussion (SRC) history (including recency and total numbers) is associated with maximal isometric neck strength in elite Australian rules football (ARF) and rugby league (ARL) athletes.</div></div><div><h3>Design</h3><div>Cross-sectional cohort study.</div></div><div><h3>Setting</h3><div>Elite ARF and ARL environments.</div></div><div><h3>Participants</h3><div>451 elite players (283 males, 168 females) from ARF (n = 300) and ARL (n = 151).</div></div><div><h3>Main outcome measures</h3><div>Maximal isometric strength of neck flexors, extensors, lateral flexors (N) and flexors/extensors (F/E) ratio; self-reported SRC history (recent [<12 months], total number).</div></div><div><h3>Results</h3><div>Neck strength did not differ between athletes with (n = 269) and without (n = 182) a history of SRC: flexors (p = 0.80), extensors (p = 0.52), left lateral flexors (p = 0.24), right lateral flexors (p = 0.26), and the F/E ratio (p = 0.92). Athletes with a recent SRC (n = 97) had slightly higher neck extensor strength (p = 0.005), although the effect was small. No differences were observed in flexors (p = 0.577), left (p = 0.066) or right lateral flexors (p = 0.356), or F/E ratio (p = 0.204). Number of prior SRCs showed no association: flexors (p = 0.974), extensors (p = 0.406), left (p = 0.120), right lateral flexors (p = 0.258), F/E ratio (p = 0.876).</div></div><div><h3>Conclusions</h3><div>SRC history, irrespective of its recency or total number, was not associated with impairments in maximal isometric neck strength.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 158-165"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144925169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring the association of selected lower limb biomechanical variables on exacerbating pain, disability, and postural balance in female athletes with patellofemoral pain syndrome 探讨患有髌股疼痛综合征的女运动员下肢生物力学变量与加重疼痛、残疾和姿势平衡的关系

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-07-11 DOI: 10.1016/j.ptsp.2025.06.004

Ahmed M. El Melhat , Ayman El Khatib , Shimaa Abdelalim Essa , Ahmed F. Elhalawaty , Ahmed S. Abd El Wahed , Moustafa R. Zebdawi , Ghada M. Koura , Samah Saad Zahran

{"title":"Exploring the association of selected lower limb biomechanical variables on exacerbating pain, disability, and postural balance in female athletes with patellofemoral pain syndrome","authors":"Ahmed M. El Melhat , Ayman El Khatib , Shimaa Abdelalim Essa , Ahmed F. Elhalawaty , Ahmed S. Abd El Wahed , Moustafa R. Zebdawi , Ghada M. Koura , Samah Saad Zahran","doi":"10.1016/j.ptsp.2025.06.004","DOIUrl":"10.1016/j.ptsp.2025.06.004","url":null,"abstract":"<div><h3>Objectives</h3><div>This study aimed to investigate the associations of selected lower limb biomechanical variables with pain severity, disability, and postural balance in female athletes with Patellofemoral Pain Syndrome (PFPS).</div></div><div><h3>Design</h3><div>Cross-sectional study.</div></div><div><h3>Setting</h3><div>Biomechanics Laboratory.</div></div><div><h3>Participants</h3><div>165 female athletes were assigned to the PFPS group and 160 as a healthy controls group.</div></div><div><h3>Main outcome measures</h3><div>Dynamic knee valgus (DKV) was measured via the Kinovea software program, tibial torsion was measured via a universal goniometer, and the navicular height was measured via a height caliper tool. Postural balance under dynamic stress was quantified via the Biodex Balance System, Pain severity via the numerical pain rating scale (NPRS), and disability via the anterior knee pain scale (AKPS).</div></div><div><h3>Results</h3><div>DKV and tibial torsion showed significant differences between groups. DKV positively correlated with pain (r = 0.451) and postural balance (r = 0.244, 0.341, and 0.351 for balance scores), and negatively with disability (r = −0.432). Tibial torsion negatively correlated with disability (r = −0.339). Navicular height had no significant correlation with the measured variables.</div></div><div><h3>Conclusions</h3><div>Lower limb biomechanics, especially DKV and tibial torsion, should be prioritized in performance screening for female athletes. This study highlights the importance of addressing biomechanical correction strategies into rehabilitation programs for female athletes with PFPS.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 38-47"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144653978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biopsychosocial profiles following ACL reconstruction: A latent class analysis of barriers to return-to-activity 前交叉韧带重建后的生物心理社会概况：对恢复活动障碍的潜在分类分析

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-08-13 DOI: 10.1016/j.ptsp.2025.08.004

Erich Petushek , Matthew S. Harkey , Kim Santiago , Alexander Stamm , Shelby Baez , Jed A. Diekfuss , Gregory D. Myer , Christopher Kuenze

{"title":"Biopsychosocial profiles following ACL reconstruction: A latent class analysis of barriers to return-to-activity","authors":"Erich Petushek , Matthew S. Harkey , Kim Santiago , Alexander Stamm , Shelby Baez , Jed A. Diekfuss , Gregory D. Myer , Christopher Kuenze","doi":"10.1016/j.ptsp.2025.08.004","DOIUrl":"10.1016/j.ptsp.2025.08.004","url":null,"abstract":"<div><h3>Objective</h3><div>Understanding of how biopsychosocial factors interrelate to affect recovery from ACL injuries is essential for improving patient outcomes. This research aimed to use Latent Class Analysis (LCA) to classify individuals post-ACL reconstruction into subgroups reflecting their particular biopsychosocial challenges to recovery.</div></div><div><h3>Design</h3><div>Cross-Sectional.</div></div><div><h3>Methods</h3><div>This multisite investigation included 134 ACLR patients approximately 6 months (5.6 months ± 1.8 SD) following surgery. The ACL Reasons scale, various Patient Reported Outcome (PRO), and performance-based measures were assessed. LCA was used to categorize patients into subgroups based on the ACL Reasons scale. Subgroups were then compared across demographic, PRO, and performance-based measures using one-way analysis of variance and chi-squared tests.</div></div><div><h3>Results</h3><div>LCA identified two distinct groups of patients who were less active after ACL reconstruction, characterized by varying levels of injury related fear, anxiety and depression. These groups reported lower outcomes and demonstrated reduced performance on hop tests in comparison to those who were as active as before their surgery.</div></div><div><h3>Conclusion</h3><div>Patients less active post-surgery fall into two categories: one hindered by injury-related fear and symptoms, the other by mostly symptoms alone. Tailored interventions could enhance recovery, with one group possibly benefiting from psychological support and the other from a focus on functional and symptomatic treatment.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 144-150"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144890889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reliability of two-dimensional kinematics and performance in a battery of lateral hopping tasks in uninjured individuals 在未受伤个体的横向跳跃任务中二维运动学和性能的可靠性

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-08-12 DOI: 10.1016/j.ptsp.2025.08.006

Garrett Sasseville , Timothy Gilgallon , Julie Burland , Michael DiStefano , Neal R. Glaviano

{"title":"Reliability of two-dimensional kinematics and performance in a battery of lateral hopping tasks in uninjured individuals","authors":"Garrett Sasseville , Timothy Gilgallon , Julie Burland , Michael DiStefano , Neal R. Glaviano","doi":"10.1016/j.ptsp.2025.08.006","DOIUrl":"10.1016/j.ptsp.2025.08.006","url":null,"abstract":"<div><h3>Objectives</h3><div>The purpose of this study was to assess the reliability of a series of lateral hops for both performance and lower extremity kinematics.</div></div><div><h3>Design</h3><div>Between-session reliability study.</div></div><div><h3>Setting</h3><div>University Laboratory.</div></div><div><h3>Participants</h3><div>20 subjects (11 male, 9 females) 25.14 ± 2.77 years, 72.97 ± 9.73 kg, and 169.44 ± 7.23 cm.</div></div><div><h3>Main outcome measures</h3><div>Participants completed four lateral hops, altering their takeoff and landing legs. We quantified hop distance and 2-dimensional frontal and sagittal plane kinematics at peak knee flexion. Testing was performed on two occasions, with a mean difference of 7 days apart. Interclass correlation coefficients and paired t-tests were performed to compare reliability and differences in outcome measures across the two sessions, p < .05.</div></div><div><h3>Results</h3><div>All four lateral hops had good to excellent reliability (ICC 0.84–0.91), with no statistical difference in hop distance between days, p > .05. Sagittal plane kinematics had good to excellent reliability (ICC 0.86–0.95) however frontal plane kinematics showed moderated to good reliability (ICC 0.54–0.90).</div></div><div><h3>Conclusion</h3><div>A battery of lateral hopping tasks has moderate to excellent reliability for both performance and kinematics, suggesting their use by clinicians and in clinical practice.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 122-127"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144864715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Isometric hip strength does not directly influence injury in collegiate cross-country runners: a prospective cohort study 一项前瞻性队列研究表明，等长髋关节力量并不直接影响大学生越野跑运动员的损伤

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-07-18 DOI: 10.1016/j.ptsp.2025.07.006

C. Nathan Vannatta , Thomas W. Kernozek

{"title":"Isometric hip strength does not directly influence injury in collegiate cross-country runners: a prospective cohort study","authors":"C. Nathan Vannatta , Thomas W. Kernozek","doi":"10.1016/j.ptsp.2025.07.006","DOIUrl":"10.1016/j.ptsp.2025.07.006","url":null,"abstract":"<div><h3>Objective</h3><div>The role of hip strength in the development of running related injuries is unclear. The aim of this study was to assess if runners who develop a running-related injury demonstrate less isometric hip strength than uninjured runners and to evaluate if runners demonstrating isometric hip weakness go on to experience more injuries than those with normal strength.</div></div><div><h3>Design</h3><div>Prospective cohort study.</div></div><div><h3>Setting</h3><div>University Campus.</div></div><div><h3>Participants</h3><div>Seventy-nine (29 male and 50 female) collegiate cross-country runners.</div></div><div><h3>Main outcome measures</h3><div>Running-related injury.</div></div><div><h3>Results</h3><div>Runners who sustained an injury demonstrated 13.6 % (p = 0.035) less hip abductor strength and demonstrated 16.6 % (p = 0.035) greater asymmetry in hip abductor strength. Runners identified as having a weakness in hip strength did not demonstrate a greater proportion of injuries than runners noted to have normal strength. The relative risk of sustaining a running-related injury was not greater in runners identified as having hip weakness.</div></div><div><h3>Conclusions</h3><div>Despite a theoretical link between hip weakness and the development of running-related injury, no difference in injury proportions was found in this cohort. However, differences in hip strength were identified between injured and uninjured runners. This may indicate that hip strength may mediate other factors that influence a runner's overall risk profile.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 58-63"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144694750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Menstrual cycle & Rehabilitation: Perceptions of sports physiotherapists and female recreational athletes 月经周期与康复：运动物理治疗师与女性休闲运动员的认知

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-08-13 DOI: 10.1016/j.ptsp.2025.08.002

Eline Peterse , Caroline Bolling

{"title":"Menstrual cycle & Rehabilitation: Perceptions of sports physiotherapists and female recreational athletes","authors":"Eline Peterse , Caroline Bolling","doi":"10.1016/j.ptsp.2025.08.002","DOIUrl":"10.1016/j.ptsp.2025.08.002","url":null,"abstract":"<div><h3>Objectives</h3><div>We explored the perceptions of female recreational athletes and sports physiotherapists regarding the integration of the menstrual cycle (MC) in the physiotherapeutic process.</div></div><div><h3>Design</h3><div>Qualitative study.</div></div><div><h3>Setting</h3><div>Online semi-structured interviews.</div></div><div><h3>Participants</h3><div>Nine Dutch sports physiotherapists working in primary care settings and eight female recreational athletes.</div></div><div><h3>Main outcome measures</h3><div>Interviews were audio-recorded, transcribed, and analysed using thematic analysis.</div></div><div><h3>Results</h3><div>The relationship between rehabilitation and the MC was recognized despite the lack of knowledge, considering symptoms and effects, and acknowledged the potential need to adjust treatment. To talk about MC, participants perceived communication challenges, such as the taboo, the influence of the gender of the health professionals and reinforced the need to normalize the conversations. For MC to be integrated in practice, participants acknowledged the need for more knowledge and resources, a clear purpose when discussing and considering the MC in rehabilitation, and the need for research to guide practice.</div></div><div><h3>Conclusion</h3><div>The menstrual health of athletes is not yet integrated into the physiotherapeutic process, despite the recognized importance. Improving communication, knowledge, and research are key to making this topic more openly discussed and allowing more person-centred care, as any adaptation should be tailored to individual experiences and symptoms.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 113-121"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144860880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of neck strength and anthropometric properties on the linear and rotational accelerations experienced by academy footballers during heading: an exploratory analysis 颈部强度和人体测量特性对学院足球运动员头球时直线和旋转加速度的影响：一项探索性分析。

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-07-22 DOI: 10.1016/j.ptsp.2025.07.008

Phil Bolland , Thomas Mullen , Nick Dobbin

{"title":"The effect of neck strength and anthropometric properties on the linear and rotational accelerations experienced by academy footballers during heading: an exploratory analysis","authors":"Phil Bolland , Thomas Mullen , Nick Dobbin","doi":"10.1016/j.ptsp.2025.07.008","DOIUrl":"10.1016/j.ptsp.2025.07.008","url":null,"abstract":"<div><h3>Objectives</h3><div>To examine associations between anthropometric properties and neck strength with linear and rotational accelerations during heading.</div></div><div><h3>Design</h3><div>Observational cohort study.</div></div><div><h3>Participants</h3><div>Eleven male footballers from a UK academy.</div></div><div><h3>Main outcomes</h3><div>Independent variables included head and neck circumference, head mass, head-neck segment mass, and strength. Dependent variables were mouthguard-derived linear and rotational acceleration.</div></div><div><h3>Results</h3><div>A total of 11 male footballer recorded 259 heading events (24 ± 8 per player). Trivial associations were observed between neck length, head-neck segment mass, and side flexion strength with linear acceleration (<em>r</em> = −0.04–0.18, p = 0.001–0.638). There was trivial-to-small association between neck circumference, head mass and strength in forward flexion and extension with linear acceleration (<em>r</em> = 0.05–0.33, p = 0.001–0.602). Neck circumference, head mass, and strength in forward flexion and extension showed trivial-to-small associations (<em>r</em> = 0.05–0.33, p = 0.001–0.602). Neck length, circumference, and side flexion strength showed trivial-to-large associations with rotational acceleration (r = −0.17–0.70, p < 0.001–0.166), while head mass, head-neck segment mass, and strength in flexion and extension had trivial-to-small associations (<em>r</em> = 0.01–0.75, p < 0.001–0.955). Fixed effects explained 4.3–6.5% of the variance in linear and rotational head accelerations.</div></div><div><h3>Conclusion</h3><div>Neck strength and anthropometric factors showed mixed associations with head accelerations during heading, explaining a small proportion of the variance in linear and rotational accelerations.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 72-79"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144769497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modification of the serratus anterior strength test to reduce confounding muscle activation: An EMG-based validation study 修改前锯肌力量测试以减少混杂肌激活：一项基于肌电图的验证研究

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-08-16 DOI: 10.1016/j.ptsp.2025.08.009

Christian Weber , Tobias Goetschi , Carl M. Zipser

{"title":"Modification of the serratus anterior strength test to reduce confounding muscle activation: An EMG-based validation study","authors":"Christian Weber , Tobias Goetschi , Carl M. Zipser","doi":"10.1016/j.ptsp.2025.08.009","DOIUrl":"10.1016/j.ptsp.2025.08.009","url":null,"abstract":"<div><h3>Objectives</h3><div>To compare the seated flexion strength test (FST) with two modifications incorporating shoulder external rotation and supine positioning, aiming to improve serratus anterior (SA) selectivity through reduced upper (UT) and lower trapezius (LT) interference.</div></div><div><h3>Design</h3><div>Cross-sectional validation study using surface electromyography (EMG) and handheld dynamometry.</div></div><div><h3>Setting</h3><div>University hospital musculoskeletal department.</div></div><div><h3>Participants</h3><div>Eighteen healthy adults.</div></div><div><h3>Main outcome measures</h3><div>EMG activation of SA, UT, LT and pectoralis major normalized to maximum voluntary contraction; activation ratios (UT/SA and LT/SA); force measurements with handheld dynamometer.</div></div><div><h3>Results</h3><div>Both modifications significantly reduced UT (p = 0.002) and LT activation (p = 0.010–0.049) compared to the FST without significantly reducing SA activity. The ratios (median UT/SA, LT/SA) showed a non-significant trend toward reduction in modification 1 (0.53, 0.57) and modification 2 (0.60, 0.41) compared to the FST (0.83, 0.71). Only modification 2 demonstrated excellent reliability (ICC 0.97, 95 % CI:0.92–0.99, MDC 14 %).</div></div><div><h3>Conclusions</h3><div>The modification 2 (supine positioning, shoulder external rotation, 45° tilted dynamometer) enhances SA isolation and demonstrates superior reliability compared to the FST. Therefore, it may improve clinical assessment of SA strength particularly when differentiating from UT and LT is of interest. Further research is needed before applying these findings to patient populations.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 128-134"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144864604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring the effects of a weighted vs unweighted low-dose isometric Copenhagen adduction exercise training programme on hip adduction and abduction strength: a randomised controlled trial in senior-level male amateur rugby union players 探讨加权和非加权低剂量哥本哈根内收运动训练方案对髋关节内收和外展力量的影响：一项随机对照试验，对象为高级男性业余橄榄球联盟球员

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-09-01 Epub Date: 2025-07-11 DOI: 10.1016/j.ptsp.2025.07.004

Ciaran O’ Connor , Eddie Coyle , Martin Mc Intyre , Eamonn Delahunt , Kristian Thorborg

{"title":"Exploring the effects of a weighted vs unweighted low-dose isometric Copenhagen adduction exercise training programme on hip adduction and abduction strength: a randomised controlled trial in senior-level male amateur rugby union players","authors":"Ciaran O’ Connor , Eddie Coyle , Martin Mc Intyre , Eamonn Delahunt , Kristian Thorborg","doi":"10.1016/j.ptsp.2025.07.004","DOIUrl":"10.1016/j.ptsp.2025.07.004","url":null,"abstract":"<div><h3>Objectives</h3><div>To explore the effect of an isometric weighted Copenhagen adduction (WCA) exercise programme and an isometric unweighted Copenhagen adduction (CA) exercise programme on hip adduction strength, abduction strength and adduction:abduction strength ratio.</div></div><div><h3>Design</h3><div>Randomized controlled trial, with flat outcome structure.</div></div><div><h3>Setting</h3><div>Rugby training facility.</div></div><div><h3>Participants</h3><div>Thirty-one male rugby players.</div></div><div><h3>Main outcome methods</h3><div>Between-group differences in hip adduction strength, abduction strength and adduction:abduction ratio were assessed using independent-sample <em>t</em>-tests. Within-group differences in hip strength were assessed using paired-sample <em>t</em>-tests.</div></div><div><h3>Results</h3><div>15 participants were assigned to the CA group and sixteen to the WCA group. Post-intervention, a significant between-group difference in hip adduction:abduction strength ratio was observed (0.09 Nm/kg, <em>p</em> = 0.032) with large effect size (ES = 0.812). No significant between-group differences were evident for hip adduction strength (0.21 Nm/kg, <em>p</em> = 0.058) or hip abduction strength (0.01 Nm/kg, <em>p</em> = 0.856). The WCA group demonstrated significant increases in hip adduction (0.22 N/kg, +10 %, <em>p</em> = 0.008) and hip adduction:abduction ratio (0.06 N/kg, +7 %, <em>p</em> = 0.036), but not hip abduction (0.08 N/kg, +4 %, <em>p</em> = 0.055), following the 8-week programme. No significant changes in hip strength were observed in the CA group.</div></div><div><h3>Conclusions</h3><div>A low-dose 8-week adductor exercise programme using the isometric WCA exercise elicits significant increases in hip adduction:abduction strength ratio when compared to an isometric CA exercise.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"75 ","pages":"Pages 29-37"},"PeriodicalIF":2.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144653977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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