Physical Therapy in Sport最新文献

Effects of differing platform orientations on forefoot and hindfoot kinematics in chronic ankle instability during single leg landing

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-04-01 DOI: 10.1016/j.ptsp.2025.03.012

Anthony Laigo , Takanori Kikumoto , Tomoya Takabayashi , Takahiro Watanabe , Yudai Kikuchi , Masayoshi Kubo

{"title":"Effects of differing platform orientations on forefoot and hindfoot kinematics in chronic ankle instability during single leg landing","authors":"Anthony Laigo , Takanori Kikumoto , Tomoya Takabayashi , Takahiro Watanabe , Yudai Kikuchi , Masayoshi Kubo","doi":"10.1016/j.ptsp.2025.03.012","DOIUrl":"10.1016/j.ptsp.2025.03.012","url":null,"abstract":"<div><h3>Objectives</h3><div>To investigate how modifiable landing platforms influence intra-foot movement during single-leg landings, comparing forefoot and hindfoot kinematics between individuals with chronic ankle instability (CAI) and controls to inform segment-focused rehabilitation strategies.</div></div><div><h3>Design</h3><div>Cross-sectional.</div></div><div><h3>Setting</h3><div>Biomechanics laboratory.</div></div><div><h3>Participants</h3><div>20 university students, 12 with CAI, 8 controls.</div></div><div><h3>Main outcome measures</h3><div>Participants performed single-leg landing on platforms with three orientations (inverted, plantarflexed-everted-abducted and dorsiflexed-inverted-adducted), and four inclinations (10°, 12°, 14°, 16°). These configurations were based on prior studies and safety limits. Net frontal-plane movement of the forefoot and hindfoot was calculated across a 400ms window.</div></div><div><h3>Results</h3><div>The CAI group showed significantly greater forefoot inversion (η<sup>2</sup> = 0.32; p < 0.01) and non-significant group difference in hindfoot eversion (ƞ<sup>2</sup> = 0.183; p = 0.06). Orientation and inclination had large effects on forefoot motion (η<sup>2</sup> = 0.56 and 0.80, respectively; p < 0.001). A significant group × segment interaction (η<sup>2</sup> = 0.24; p < 0.001) indicated contrasting movement between the forefoot and hindfoot in CAI, not observed in controls.</div></div><div><h3>Conclusion</h3><div>Individuals with CAI demonstrated a less adaptive, segment-specific landing strategy. Findings support the use of modifiable platforms and multi-segment foot models to guide targeted interventions addressing forefoot compensation and improving segmental control during landing.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 114-120"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143783645","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

Hip-focused strengthening and task-specific movement training for an individual with chronic, recurrent femoroacetabular impingement syndrome

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-27 DOI: 10.1016/j.ptsp.2025.03.010

Lee T. Atkins , Kelsey Ede , Megan Reid , Daniel Chan

{"title":"Hip-focused strengthening and task-specific movement training for an individual with chronic, recurrent femoroacetabular impingement syndrome","authors":"Lee T. Atkins , Kelsey Ede , Megan Reid , Daniel Chan","doi":"10.1016/j.ptsp.2025.03.010","DOIUrl":"10.1016/j.ptsp.2025.03.010","url":null,"abstract":"<div><h3>Objectives</h3><div>Examine the effects of hip-focused strengthening and task-specific movement training for a female who has undergone multiple surgical procedures yet continues to experience chronic, recurrent FAIS-related symptoms.</div></div><div><h3>Study design</h3><div>Case Report.</div></div><div><h3>Methods</h3><div>A 23-year-old active female with an eleven-year history of FAIS and two previous surgical procedures recently experienced a third recurrence of symptoms brought on by increased physical activity levels. The patient performed progressive exercises focused on improving hip extension, abduction, and external rotation strength. The patient also received task-specific movement training aimed at minimizing hip adduction and internal rotation during movement that provoked her symptoms.</div></div><div><h3>Results</h3><div>Following treatment, the patient's self-reported hip pain during movement improved 2.2 points and was abolished during four of the five activities examined. The patient exhibited strength gains for the hip extensors (22 %), abductors (36 %), and external rotators (20 %). The patient exhibited decreased hip adduction during all activities (mean difference = 10.6°) and decreased hip internal rotation during three of the five activities (mean difference = 3.7°).</div></div><div><h3>Conclusion</h3><div>This case report highlights the effects of hip-focused strengthening and task-specific movement training for a patient with longstanding FAIS and multiple surgical procedures.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 107-113"},"PeriodicalIF":2.2,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760648","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

Assessing musculoskeletal complaints in para-athletes: A systematic review and critical appraisal of available Patient-Reported Outcome Measures

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-25 DOI: 10.1016/j.ptsp.2025.03.007

Nil Jodar-Boixet , Cristina Torres-Pascual , Rafel Donat-Roca , Kristian Thorborg , Anna Prats-Puig , Ernest Esteve

{"title":"Assessing musculoskeletal complaints in para-athletes: A systematic review and critical appraisal of available Patient-Reported Outcome Measures","authors":"Nil Jodar-Boixet , Cristina Torres-Pascual , Rafel Donat-Roca , Kristian Thorborg , Anna Prats-Puig , Ernest Esteve","doi":"10.1016/j.ptsp.2025.03.007","DOIUrl":"10.1016/j.ptsp.2025.03.007","url":null,"abstract":"<div><h3>Objective</h3><div>To identify the available Patient-reported Outcome Measures (PROMs) for assessing musculoskeletal complaints in para-athletes and to evaluate their psychometric properties, ultimately providing recommendations for their use.</div></div><div><h3>Methods</h3><div>PubMed, Embase, Scopus, Cochrane Library, Web of Science, ProQuest, and COSMIN Database were searched until October 2024. Full report studies evaluating psychometric properties of PROMs in para-sport participants with musculoskeletal pain were included. The methodology followed the Consensus-based Standards for selection of Health Measurement Instruments (COSMIN) and PRISMA-COSMIN for OMIs 2024 Guidelines.</div></div><div><h3>Results</h3><div>Six articles reported information on Wheelchair User's Shoulder Pain Index (WUSPI); Shoulder Pain Scale for Wheelchair Basketball (SPS-WB); and, Shoulder Pain Index for Wheelchair Basketball (SPI-WB). Content validity was inconsistent for WUSPI and SPS-WB. Structural validity was indeterminate for SPS-WB. Internal consistency was sufficient for SPS-WB but indeterminate for WUSPI and SPI-WB. Reliability was sufficient for WUSPI and SPI-WB. Convergent validity was sufficient for WUSPI but indeterminate for SPS-WB and SPI-WB. Discriminative validity was insufficient for WUSPI and SPI-WB and indeterminate for SPS-WB.</div></div><div><h3>Conclusions</h3><div>Evidence on PROMs for musculoskeletal complaints in para-sports focuses on shoulder pain in wheelchair basketball, showing low to very low-quality evidence. The WUSPI and SPS-WB can be used considering their limitations.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 121-132"},"PeriodicalIF":2.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143786286","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

Prevalence and severity of injuries and illnesses among university handball players: A prospective cohort study

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-24 DOI: 10.1016/j.ptsp.2025.03.009

Ayaka Takegami , Sonoko Mashimo , Suguru Ichihara , Satoru Nishida , Akira Ito , Hideaki Waki , Satoshi Hosoi , Naruto Yoshida

{"title":"Prevalence and severity of injuries and illnesses among university handball players: A prospective cohort study","authors":"Ayaka Takegami , Sonoko Mashimo , Suguru Ichihara , Satoru Nishida , Akira Ito , Hideaki Waki , Satoshi Hosoi , Naruto Yoshida","doi":"10.1016/j.ptsp.2025.03.009","DOIUrl":"10.1016/j.ptsp.2025.03.009","url":null,"abstract":"<div><h3>Objectives</h3><div>To clarify the prevalence and severity of injuries and illnesses in university handball players.</div></div><div><h3>Design</h3><div>Prospective cohort study.</div></div><div><h3>Setting</h3><div>Survey-based online questionnaire.</div></div><div><h3>Participants</h3><div>231 university handball players (109 males and 122 females) over 38 weeks.</div></div><div><h3>Main outcome measures</h3><div>Each participant completed the Japanese version of the Oslo Sports Trauma Research Center Questionnaire on Health Problems every Sunday. The main outcome measures were the average weekly prevalence of injuries and illnesses, duration, average weekly severity scores rated on a scale of 0–100 based on answers to four key questions, and cumulative severity scores.</div></div><div><h3>Results</h3><div>The average weekly prevalence was 27.4 % (95 % CI: 25.6–29.1 %) for injuries and 2.2 % (95 % CI: 1.6–2.8 %) for illnesses. Among injuries, traumatic injuries had higher average weekly severity scores (50.0 vs 32.0, p < 0.05) and cumulative severity scores per case (65.0 vs 42.0, p < 0.05) than overuse injuries. Conversely, overuse injuries lasted approximately 10 days longer than traumatic injuries (18 days vs 10 days, p < 0.05). Traumatic knee injuries and overuse shoulder injuries ranked the highest in prevalence, duration, and cumulative severity scores.</div></div><div><h3>Conclusions</h3><div>We found that, although overuse injuries were less severe than traumatic injuries, they interfered with handball activities for extended periods.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 100-106"},"PeriodicalIF":2.2,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143748055","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

Targeting the hip and/or knee extensors during the back squat in males and females: A repeated measures decision tree analysis using the relative difference in trunk and tibia inclination and knee flexion angle

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-24 DOI: 10.1016/j.ptsp.2025.03.008

Rachel K. Straub, Adam J. Barrack, Jordan Cannon, Christopher M. Powers

{"title":"Targeting the hip and/or knee extensors during the back squat in males and females: A repeated measures decision tree analysis using the relative difference in trunk and tibia inclination and knee flexion angle","authors":"Rachel K. Straub, Adam J. Barrack, Jordan Cannon, Christopher M. Powers","doi":"10.1016/j.ptsp.2025.03.008","DOIUrl":"10.1016/j.ptsp.2025.03.008","url":null,"abstract":"<div><h3>Objective</h3><div>To determine what combination of relative trunk and tibia inclination and knee flexion biases the hip and knee extensors during the squat.</div></div><div><h3>Design</h3><div>Repeated measures.</div></div><div><h3>Setting</h3><div>University research laboratory.</div></div><div><h3>Participants</h3><div>16 healthy individuals.</div></div><div><h3>Main Outcome Measures</h3><div>The average hip/knee extensor moment ratio (HKR) was calculated during squat descent, and trunk-tibia inclination difference and knee flexion angle at peak knee flexion. A regression tree for repeated measures determined what combination of trunk-tibia inclination difference and knee flexion angle predicted HKR.</div></div><div><h3>Results</h3><div>HKR was predicted by trunk-tibia inclination difference (primary predictor) and knee flexion (secondary predictor). Four squatting strategies emerged: knee extensor bias (average HKR = 0.3), neutral bias (average HKR = 0.9), hip extensor bias (average HKR = 1.5), and high hip extensor bias (average HKR = 2.2). When trunk inclination exceeded tibia inclination ( ≥ 2.2°), hip-biased squatting was evident. Squat depth affected only hip-biased squatting: high hip extensor bias at moderate depths (<96° knee flexion), and a less pronounced hip bias at greater depths ( ≥ 96° knee flexion).</div></div><div><h3>Conclusions</h3><div>Our results provide a framework to bias the squat exercise based on intent. To maximize or minimize hip relative to knee extensor demands, clinicians should be cognizant of the trunk inclination relative to tibia inclination and the influence of knee flexion.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 94-99"},"PeriodicalIF":2.2,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143724242","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

Effectiveness of adding Dynamic Tape® to progressive tendon-load exercise program in patients with patellar tendinopathy: A randomized controlled trial

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-13 DOI: 10.1016/j.ptsp.2025.03.005

Shalimá Figueiredo Chaves Coelho Ferreira, Marcio Almeida Bezerra, Rodrigo Ribeiro de Oliveira, Pedro Olavo de Paula Lima

{"title":"Effectiveness of adding Dynamic Tape® to progressive tendon-load exercise program in patients with patellar tendinopathy: A randomized controlled trial","authors":"Shalimá Figueiredo Chaves Coelho Ferreira, Marcio Almeida Bezerra, Rodrigo Ribeiro de Oliveira, Pedro Olavo de Paula Lima","doi":"10.1016/j.ptsp.2025.03.005","DOIUrl":"10.1016/j.ptsp.2025.03.005","url":null,"abstract":"<div><h3>Objective</h3><div>To evaluate the effectiveness of adding Dynamic Tape® to a progressive load exercise program in patients with patellar tendinopathy.</div></div><div><h3>Design</h3><div>Randomized controlled trial.</div></div><div><h3>Setting</h3><div>University research.</div></div><div><h3>Participants</h3><div>Forty-eight subjects with patellar tendinopathy.</div></div><div><h3>Methods</h3><div>Participants were divided into two groups: dynamic group, which received progressive load exercises and Dynamic Tape®, and sham group, which received progressive load exercises and sham taping. The intervention was conducted three times per week over 12 weeks.</div></div><div><h3>Main outcome measures</h3><div>The pain during decline squatting was assessed using a visual analog scale. The severity of patellar tendinopathy was measured using the Victorian Institute of Sport Assessment-Patella (VISA-P).</div></div><div><h3>Results</h3><div>There was no effect of group-time interaction for the pain (Z = 0.844, p = 0.472) or severity (Z = 1.275, p = 0.286) of patellar tendinopathy. Reduced pain and severity were observed over time (p < 0.05), however there was no between-group differences (p > 0.05).</div></div><div><h3>Conclusion</h3><div>Dynamic Tape® does not provide additional benefits when combined with a progressive load exercise program for reducing pain and severity in patellar tendinopathy.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 86-93"},"PeriodicalIF":2.2,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143675052","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

Current clinical management of Achilles tendinopathy by Spanish physiotherapists: An observational study 西班牙理疗师对跟腱病的临床治疗现状：观察研究

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-12 DOI: 10.1016/j.ptsp.2025.03.006

Juan Sancho , Peter Malliaras , Ruth L. Chimenti , Igor Sancho

{"title":"Current clinical management of Achilles tendinopathy by Spanish physiotherapists: An observational study","authors":"Juan Sancho , Peter Malliaras , Ruth L. Chimenti , Igor Sancho","doi":"10.1016/j.ptsp.2025.03.006","DOIUrl":"10.1016/j.ptsp.2025.03.006","url":null,"abstract":"<div><h3>Objectives</h3><div>The purpose of this study was to explore how Spanish physiotherapists manage Achilles tendinopathy and to evaluate the alignment of their practices with established clinical guidelines.</div></div><div><h3>Design</h3><div>A cross-sectional online survey of Spanish physiotherapists.</div></div><div><h3>Setting</h3><div>Clinical environment.</div></div><div><h3>Participants</h3><div>Four hundred thirty-four physiotherapists completed the survey.</div></div><div><h3>Methods</h3><div>An online survey was administered to Spanish physiotherapists between March and April 2024. The survey collected data on clinicians’ demographics, treatment approaches, and preferences. Descriptive analysis was performed, with nominal and ordinal data analyzed through frequency counts.</div></div><div><h3>Results</h3><div>Valid responses were received from 434 physiotherapists with a mean age of 32 years (IQR = 15, range 22–60). Exercise and education were the most used treatments (94 % and 78 % of respondents respectively), although there was variability in their implementation. However, a significant proportion of Spanish physiotherapists (64 %) reported using invasive techniques, which may reduce the time spent on evidence-based interventions (p = 0.001) for the management of Achilles tendinopathy.</div></div><div><h3>Conclusions</h3><div>Spanish physiotherapists generally follow clinical guidelines for managing AT, with exercise and education as the main interventions. Despite the limited evidence, invasive techniques and manual therapy (74 %) are widely used. Future research should clarify the impact of this practice in the Spanish population.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 57-67"},"PeriodicalIF":2.2,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143637698","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

Recurrent sprains of chronic ankle instability with chronic syndesmotic injury are primarily correlated with plantarflexion instability and multisensory deficits

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-11 DOI: 10.1016/j.ptsp.2025.03.004

Nan Mei , Zhende Jiang , Hiroaki Kurokawa , Yuki Ueno , Hengyu Liu , Jiaming Zou , Lijuan Fu , Akira Taniguchi , Yasuhito Tanaka , Yinan Wang , Fei Chang

{"title":"Recurrent sprains of chronic ankle instability with chronic syndesmotic injury are primarily correlated with plantarflexion instability and multisensory deficits","authors":"Nan Mei , Zhende Jiang , Hiroaki Kurokawa , Yuki Ueno , Hengyu Liu , Jiaming Zou , Lijuan Fu , Akira Taniguchi , Yasuhito Tanaka , Yinan Wang , Fei Chang","doi":"10.1016/j.ptsp.2025.03.004","DOIUrl":"10.1016/j.ptsp.2025.03.004","url":null,"abstract":"<div><h3>Objective</h3><div>To investigate postural control deficits and their correlation with recurrent ankle sprains in patients with both chronic ankle instability (CAI) and chronic syndesmotic injury (CSI).</div></div><div><h3>Design</h3><div>Cross-sectional design.</div></div><div><h3>Setting</h3><div>Motion laboratory and Orthopedic department.</div></div><div><h3>Participants</h3><div>73 individuals with CAI and 15 healthy controls <em>Main outcome measures:</em> Patients with CAI were divided into a CAI group (isolated CAI) and a CSI group (CAI with CSI) based on arthroscopic findings. Postural control was evaluated using the Sensory Organization Test, Adaptability Test, and Romberg Test.</div></div><div><h3>Results</h3><div>The CSI group had significantly lower somatosensory, visual, and vestibular scores and higher visual dependency compared to CAI group and controls (<em>p < 0.05-0.001</em>). CSI groups showed higher sway energy than the CAI in the plantarflexion sway (<em>p < 0.05</em>). Correlation analysis indicated strong associations between sprain incidence and plantarflexion sway energy (r = 0.68, <em>p < 0.001</em>), VAS scores (r = 0.54, <em>p < 0.001</em>), and somatosensory deficits (r = −0.43, <em>p < 0.001</em>). The AUC for the logistic regression model was 0.906, indicating excellent model performance (<em>p < 0.001</em>).</div></div><div><h3>Conclusions</h3><div>Our results found that plantarflexion instability of the CSI correlates most strongly with the risk of ankle sprains, despite coexisting multisensory deficits. Hence, rehabilitation should address these deficits, pain management and targeted training.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 77-85"},"PeriodicalIF":2.2,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143643424","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

Drop jump vertical kinetics identify male youth soccer players at greater risk of non-contact knee injury

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-06 DOI: 10.1016/j.ptsp.2025.03.003

Jason S. Pedley , Rhodri S. Lloyd , Paul J. Read , Isabel S. Moore , Gregory D. Myer , Jon L. Oliver

{"title":"Drop jump vertical kinetics identify male youth soccer players at greater risk of non-contact knee injury","authors":"Jason S. Pedley , Rhodri S. Lloyd , Paul J. Read , Isabel S. Moore , Gregory D. Myer , Jon L. Oliver","doi":"10.1016/j.ptsp.2025.03.003","DOIUrl":"10.1016/j.ptsp.2025.03.003","url":null,"abstract":"<div><h3>Objectives</h3><div>To determine associations between drop-jump vertical kinetics and acute non-contact knee injury-risk in male youth soccer players.</div></div><div><h3>Design</h3><div>Prospective cohort study.</div></div><div><h3>Setting</h3><div>Professional soccer academies.</div></div><div><h3>Participants</h3><div>Youth soccer players (<em>n</em> = 264).</div></div><div><h3>Main outcome measures</h3><div>Drop-jump vertical kinetics; injury epidemiology. Associations between kinetics and injury were assessed using binary logistic regression. Differences between injured and uninjured groups were compared using statistical parametric mapping.</div></div><div><h3>Results</h3><div>Peak braking: peak propulsive force ratio (OR = 1.59, 1.10–2.29, <em>p</em> < 0.05), propulsive work (OR = 0.53, 0.28–0.99, <em>p</em> < 0.05) and vertical stiffness (OR = 1.68, 1.13–2.52, <em>p</em> < 0.05) were associated with risk of sustaining a knee injury. All variables demonstrated ‘unusable’ or ‘weak’ levels of predictive ability in identifying players who would become injured (AUC 0.568–0.663).</div></div><div><h3>Conclusions</h3><div>Drop-jump vertical kinetics that characterise the shape of the force-time waveform provide insight to acute non-contact knee injury-risk in male youth soccer players. Large transient spikes in force in the early phase of ground contact, coupled with reduced propulsive forces are a risk factor for acute non-contact knee injury in male youth soccer players. Variables are not sensitive enough to predict injury but provide additional training targets to help mitigate risk in this population.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 48-56"},"PeriodicalIF":2.2,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Victorian Institute of Sport Assessment – Achilles is fundamentally flawed and unfit for clinical practice or research: A Rasch Measurement Theory Analysis using COSMIN recommendations

IF 2.2 3区医学

Physical Therapy in Sport Pub Date : 2025-03-04 DOI: 10.1016/j.ptsp.2025.03.002

Nigel Travers , Myles C. Murphy , Benedict M. Wand , Paul Kirwan , Mervyn Travers , James Debenham , William Gibson , Dana Hince

{"title":"The Victorian Institute of Sport Assessment – Achilles is fundamentally flawed and unfit for clinical practice or research: A Rasch Measurement Theory Analysis using COSMIN recommendations","authors":"Nigel Travers , Myles C. Murphy , Benedict M. Wand , Paul Kirwan , Mervyn Travers , James Debenham , William Gibson , Dana Hince","doi":"10.1016/j.ptsp.2025.03.002","DOIUrl":"10.1016/j.ptsp.2025.03.002","url":null,"abstract":"<div><h3>Objectives</h3><div>Evaluate structural validity, hypothesis testing and measurement invariance of the Victorian Institute of Sport Assessment–Achilles (VISA-A) using Rasch analysis to determine if it can be recommended to measure Achilles tendinopathy severity.</div></div><div><h3>Methods</h3><div>We performed an evaluation of the VISA-A measurement properties using Rasch Measurement Theory by pooling individual participant data from previously conducted studies (n = 217). Structural validity was assessed via threshold/category mean order; adequate item fit; unidimensionality; local dependence; internal consistency. Hypothesis testing was assessed via divergent validity. Measurement invariance assessed via differential item functioning.</div></div><div><h3>Results</h3><div>The VISA-A has inadequate construct validity. This is evident from issues with item 8 and insufficient threshold order, item fit, borderline internal consistency and measurement invariance, with item response being influenced by both age and BMI.</div></div><div><h3>Conclusion</h3><div>The VISA-A has inadequate structural validity, borderline internal consistency and poor measurement invariance. Thus, the VISA-A does not meet with COSMIN criteria for construct validity due to issues with structural validity and measurement invariance. Thus, the VISA-A cannot be recommended for use, and should not be used in clinical practice or research. However, if the VISA-A has been used, analysis using only items 1–6, with responses collapsed into a 4-point scale provides the best structural validity.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 68-76"},"PeriodicalIF":2.2,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143643470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0