International Journal of Sports Physical Therapy最新文献

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Ulnar Collateral Ligament Hybrid Reconstruction Surgery & Rehabilitation in the Overhead Athlete.
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-02-01 eCollection Date: 2025-01-01 DOI: 10.26603/001c.128512
Keith M Meister, Daniel Evans, Kevin E Wilk, Christopher A Arrigo
{"title":"Ulnar Collateral Ligament Hybrid Reconstruction Surgery & Rehabilitation in the Overhead Athlete.","authors":"Keith M Meister, Daniel Evans, Kevin E Wilk, Christopher A Arrigo","doi":"10.26603/001c.128512","DOIUrl":"10.26603/001c.128512","url":null,"abstract":"<p><p>Injuries to the ulnar collateral ligament (UCL), have become increasingly prevalent among overhead-throwing athletes, especially baseball pitchers. From 2011 to 2023, UCL injuries were the most common injury in Major League Baseball (MLB). Contributing factors include high pitching velocity, fatigue, overuse, and year-round pitching. Research indicates that 25% of MLB pitchers and 14% of Minor League pitchers have undergone UCL surgery, with these numbers steadily rising. After traditional UCL reconstruction, 83% of athletes return to the same or higher levels of play. While the success rate for UCL surgery is high, revision surgeries are becoming more frequent, with mixed outcomes. This underscores the need for improved surgical techniques and rehabilitation strategies. The hybrid UCL reconstruction technique presents a reliable and effective solution for treating UCL injuries, combining the benefits of autogenous grafting with internal brace augmentation. Current research, however, lacks focus on the surgical technique and rehabilitation following UCL hybrid surgery. Achieving successful outcomes with this procedure relies on a collaborative approach, from surgery to rehabilitation with adherence to the rehabilitation protocol and throwing program. Full recovery typically requires 12-14 months, depending on the athlete's level of play. With over 400 successful surgeries to date, this technique has proven to enhance stability and facilitate recovery, particularly in elite-level throwing athletes. The purpose of this paper is to describe this new surgical technique and its associated rehabilitation programs, emphasizing the importance of rehabilitation under the guidance of a rehabilitation professional experienced with overhead athletes. Level of Evidence: 5.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 2","pages":"293-305"},"PeriodicalIF":1.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11893015/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143597708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preseason Workload in Collegiate Baseball Pitchers.
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-02-01 eCollection Date: 2025-01-01 DOI: 10.26603/001c.128051
Bennett Tabaracci, Shraddha Sudhir, Matthew Gauthier, Lindsay Hannigan
{"title":"Preseason Workload in Collegiate Baseball Pitchers.","authors":"Bennett Tabaracci, Shraddha Sudhir, Matthew Gauthier, Lindsay Hannigan","doi":"10.26603/001c.128051","DOIUrl":"10.26603/001c.128051","url":null,"abstract":"<p><strong>Background: </strong>Upper extremity injuries are common in baseball spanning from youth through professional leagues, especially in preseason. Although there are some arbitrary guidelines for number of throws during practices and games, there is no current information on workload during preseason in baseball pitchers.</p><p><strong>Hypothesis/purpose: </strong>The purpose of this study was to quantify the number of throws and workload, as defined by angular velocity, during preseason training in a collegiate baseball season.</p><p><strong>Study design: </strong>Descriptive Epidemiology Study.</p><p><strong>Methods: </strong>Nine baseball pitchers wore an inertial measurement unit on the forearm during all preseason training. Movements were captured at 100Hz and classified as a throw when the forearm velocity was greater than 800°/second. Peak angular velocity was exported for each throw and total workload was calculated as the median angular velocity multiplied by total throws for each day. Chronic workload was calculated as the rolling 28 days average workload and acute workload was calculated as the average seven-day workload. Acute to chronic workload ratio (ACWR) was calculated for each week. A repeated measures ANOVA with pairwise comparisons was used to compare throws, acute workload, and ACWR between weeks. Cohen's d effect sizes were calculated for all significant differences.</p><p><strong>Results: </strong>The pitchers averaged 1990.6 ± 881.7 throws throughout preseason at an average angular velocity of 1686.2 ± 334.9 m/s. Acute workload was reduced in Week 4 compared to Week 2 (p=0.018, d=1.73) and week 3 (p=0.007, d =2.30). ACWR was above 1.27 on weeks 1,2,3, and 5. ACWR was significantly reduced in week 4 (0.79) compared to week 3 (1.50; p=0.021, d =0.71).</p><p><strong>Conclusion: </strong>ACWR was above 1.27 for four of the six weeks of preseason, suggesting that there may be a need to reduce workload and progressively build during the preseason. Clinicians should consider monitoring workload during preseason throwing to decrease risk of chronic overuse injuries.</p><p><strong>Level of evidence: </strong>2c.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 2","pages":"221-230"},"PeriodicalIF":1.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11788086/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143190839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical Evolution and Safety of a Cryotherapy - Based Spray for Mild to Moderate Joint and Muscle Pain: A Descriptive Observational Study.
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-02-01 eCollection Date: 2025-01-01 DOI: 10.26603/001c.128589
Manuel A Ballester Herrera, Josep M Muñoz Vives, Agusti Marti
{"title":"Clinical Evolution and Safety of a Cryotherapy - Based Spray for Mild to Moderate Joint and Muscle Pain: A Descriptive Observational Study.","authors":"Manuel A Ballester Herrera, Josep M Muñoz Vives, Agusti Marti","doi":"10.26603/001c.128589","DOIUrl":"10.26603/001c.128589","url":null,"abstract":"<p><strong>Background: </strong>Cryotherapy, long used for its pain-relieving and anti-inflammatory effects, is widely applied in sports medicine, physiotherapy, and postoperative care. Advances in cryotherapy methods, including the use of topical vapocoolant sprays, offer enhanced pain management and support recovery from musculoskeletal injuries by alleviating pain and reducing swelling in a targeted manner.</p><p><strong>Hypothesis/purpose: </strong>The primary aim was to assess both immediate and sustained pain relief in subjects with mild to moderate musculoskeletal complaints.</p><p><strong>Study design: </strong>Observational cohort study.</p><p><strong>Methods: </strong>Fifty-nine participants with mild to moderate musculoskeletal pain participated in a three-week observational study evaluating a cryotherapy spray. Pain and range of motion (ROM) were assessed using the Visual Analogue Scale (VAS) and goniometer measurements at multiple time points, including T-1 (before treatment), T0 (beginning of treatment), T2-min, T5-min, T10-min, T15-min, T30-min, T60-min, T7-days, T14-days, while participants were actively receiving treatment exclusively with the cryotherapy spray, and T21-days (1 week after treatment cessation). Acceptability Test and additional subjective questionnaires evaluated participants analysis of cooling sensation and product tolerance. Data were analyzed using Cumulative Logit Mixed Models (CLMM) and the non-parametric Friedman test for repeated measures.</p><p><strong>Results: </strong>The cryotherapy spray significantly reduced pain (VAS) from baseline (p < 0.001, Hedges' g = -1.90) and improved joint mobility (ROM) with derived scores increasing from 3 (3-4) to 4 (4-4) by Day 21 (p < 0.001). Rapid pain relief was reported by 35% of participants within 10 seconds, with 80% experiencing relief within three minutes. Comfort ratings were consistently high, with 95% of participants expressing satisfaction at Day 0, rising to 99% by Day 14. Global efficacy satisfaction measured by a subjective Likert scale also increased from 75% at baseline to 95% by Day 14. No adverse events were reported.</p><p><strong>Conclusion: </strong>This study supports the effectiveness of the cryotherapy spray in reducing pain and improving joint mobility, with both immediate and sustained benefits. High patient satisfaction and a favorable safety profile suggest its potential for clinical use. Further controlled studies could confirm its efficacy in broader populations.</p><p><strong>Level of evidence: </strong>Level 3.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 2","pages":"243-252"},"PeriodicalIF":1.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11830277/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143434160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Excellent Reliability for an Instrumented Test of Ankle Plantarflexion Force.
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-02-01 eCollection Date: 2025-01-01 DOI: 10.26603/001c.128591
Moez Glaied, Rodney Whiteley
{"title":"Excellent Reliability for an Instrumented Test of Ankle Plantarflexion Force.","authors":"Moez Glaied, Rodney Whiteley","doi":"10.26603/001c.128591","DOIUrl":"10.26603/001c.128591","url":null,"abstract":"<p><strong>Background/purpose: </strong>The assessment of ankle plantarflexion force is commonly required in athletic performance and clinical rehabilitation settings to assess the integrity of the calf and lower limb musculature. The force generating capacity of the soleus muscle is thought to be important in many aspects of sporting and everyday function. Unfortunately, there are only a few reliable tests describing the assessment of the strength of the soleus muscle, especially in dorsiflexion greater than plantar grade/neutral which mimics ankle joint positions associated with higher ground contact forces. Accordingly, the purpose of this study is to describe the reliability, feasibility, and clinimetrics of a novel test of plantarflexion force in a clinical setting.</p><p><strong>Methods: </strong>Test-retest reliability of a seated isometric plantar flexion strength test performed a minimum of one day apart (maximum of six) using the maximum value of four trials was investigated using a force plate and custom apparatus in 61 volunteer adults (of varying activity levels (Tegner one to ten). Inter-rater reliability (ICC<sub>2,1</sub>), Bland-Altman, and minimal detectable change values were estimated.</p><p><strong>Results: </strong>Sixty-one subjects were tested (49 male, 12 female, 39.6±12.6 years, 81.1±13.8kg). Excellent test-retest reliability was demonstrated (ICC<sub>2,1</sub>)=0.976 [0.97 to 0.98], p<0.001; and minimal detectable change (MDC) was found to be 118N.</p><p><strong>Conclusion: </strong>Excellent test-retest reliability and a minimal detectable change of 118N (14.8% bodyweight) were demonstrated for this measure of plantar flexion force. MDC data can inform clinical progression and between-limb differences in healthy and injured individuals. Further, these results can be used to explore the clinical importance of the measurement using the instrumentation.</p><p><strong>Level of evidence: </strong>3b.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 2","pages":"253-264"},"PeriodicalIF":1.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11788096/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143190783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diagnostic Musculoskeletal Ultrasound of the Achilles Tendon.
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-02-01 eCollection Date: 2025-01-01 DOI: 10.26603/001c.129050
Phil Page, Robert C Manske, Michael Voight, Chris Wolfe
{"title":"Diagnostic Musculoskeletal Ultrasound of the Achilles Tendon.","authors":"Phil Page, Robert C Manske, Michael Voight, Chris Wolfe","doi":"10.26603/001c.129050","DOIUrl":"10.26603/001c.129050","url":null,"abstract":"<p><p>Musculoskeletal ultrasound (MSKUS) is a pivotal imaging modality for the evaluation and management of Achilles tendon pathologies. Its ability to provide real-time, high-resolution imaging facilitates accurate diagnosis, dynamic assessment, and precise therapeutic interventions. The Achilles tendon, the largest and strongest tendon in the body, is critical for lower limb function and prone to a variety of pathologies, particularly in athletes and active individuals. This paper explores the normal sonographic anatomy of the Achilles tendon, common pathological findings-including tendinopathy, tears, insertional disorders, and retrocalcaneal bursitis-and ultrasound techniques to optimize diagnostic accuracy. The integration of MSKUS into clinical practice has revolutionized the assessment and treatment of Achilles tendon injuries, offering a cost-effective, radiation-free alternative to other imaging modalities such as magnetic resonance imaging (MRI).</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 2","pages":"296-304"},"PeriodicalIF":1.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11788094/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143190682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Are We Overlooking Anatomical Contributions to Dynamic Knee Valgus?
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-02-01 eCollection Date: 2025-01-01 DOI: 10.26603/001c.128587
Matt Dewald, Madison Andersen, Laura Higgins, Emma Porter, Alex Wickersham
{"title":"Are We Overlooking Anatomical Contributions to Dynamic Knee Valgus?","authors":"Matt Dewald, Madison Andersen, Laura Higgins, Emma Porter, Alex Wickersham","doi":"10.26603/001c.128587","DOIUrl":"10.26603/001c.128587","url":null,"abstract":"<p><strong>Background: </strong>Dynamic knee valgus (DKV) is widely considered a risk factor for injuries, despite contradictory research. Consequently, athletic performance and injury rehabilitation cueing has primarily focused on keeping the \"knees out\".</p><p><strong>Purpose: </strong>The purpose of this study was to assess jump performance measures and anatomical contributions.</p><p><strong>Study design: </strong>Cross-Sectional Study.</p><p><strong>Methods: </strong>Jump height, ground contact time, reactive strength index, and DKV was collected with the MyJump2 and Coach My Video apps. Static anatomical measurements were collected. Subjects completed nine jumps with each leg using the same set-up; performing three single leg six-inch depth jumps with their natural form, three depth jumps with external cuing towards increased DKV, and three depth jumps with cuing towards no DKV. ANOVA was used to compare jump data. Pearson Correlation Coefficients were used to assess relationships between DKV and anatomical measurements, jump height, ground contact time, and reactive strength index. Intraclass correlation coefficient (ICC) was used to assess inter-rater reliability of MyJump2 and Coach My Video measurements.</p><p><strong>Results: </strong>50 subjects (35 included) participated in this study. With a cued DKV jump, ground contact time had a moderate positive correlation with DKV measurements (r=.49, p<0.01), however, this was not the case with subjects' natural jump and cued no DKV alignment jumps. Static anatomical measurements of static knee valgus and Q-angle had a weak positive correlation with DKV measurements for subjects' natural jumps (r=.37, p<0.01 and r=.34, p=0.04, respectively). When DKV measurements were normalized to an anatomical measurement, no correlations existed with any of the performance measurements. There was very strong inter-rater reliability (ICC=.96-.99) of all the measurements.</p><p><strong>Conclusion: </strong>Bony anatomical alignment should be considered alongside kinematics, as normalization controlled for the differences in DKV. Future research should normalize DKV measurements by bony anatomy when addressing DKV and jump performance.</p><p><strong>Level of evidence: </strong>2c.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 2","pages":"189-198"},"PeriodicalIF":1.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11788082/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143190465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 Relationship Between Self-Efficacy, Aerobic Fitness, and Traditional Risk Factors for Musculoskeletal Injuries in Military Training: A Prospective Cohort Study. 军事训练中肌肉骨骼损伤的自我效能感、有氧适能和传统危险因素的关系:一项前瞻性队列研究。
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-01-02 eCollection Date: 2025-01-01 DOI: 10.26603/001c.127137
Brian R Kreisel, Kelly M Scott, Erin M Florkiewicz, Michael S Crowell, Jamie B Morris, Paige A McHenry, Timothy M Benedict
{"title":"The Relationship Between Self-Efficacy, Aerobic Fitness, and Traditional Risk Factors for Musculoskeletal Injuries in Military Training: A Prospective Cohort Study.","authors":"Brian R Kreisel, Kelly M Scott, Erin M Florkiewicz, Michael S Crowell, Jamie B Morris, Paige A McHenry, Timothy M Benedict","doi":"10.26603/001c.127137","DOIUrl":"https://doi.org/10.26603/001c.127137","url":null,"abstract":"<p><strong>Background: </strong>The United States military strives to prepare soldiers physically and mentally for war while preventing injury and attrition. Previous research has focused on physical injury risk factors but has not prospectively examined psychological risk factors.</p><p><strong>Purpose: </strong>This study's purpose was to investigate whether self-efficacy is a risk factor for musculoskeletal injury in an initial military training environment and compare it to other known risk factors.</p><p><strong>Study design: </strong>Prospective, Longitudinal Cohort Study.</p><p><strong>Materials and methods: </strong>Shortly after starting cadet basic training, new cadets rated self-efficacy by an 11-point questionnaire. Other risk factor data including injury history, sex, height, weight, body mass index, age, aerobic fitness, upper body muscular endurance, core muscular endurance and previous military experience were collected by self-report questionnaire and military fitness testing. The primary dependent variable was musculoskeletal injury that originated during the seven-week course. Independent variables were compared between participants who were and were not injured using Chi-squared test, t-tests, Cox regression analysis and time to injury was evaluated using Kaplan-Meyer survival analyses.</p><p><strong>Results: </strong>Seven hundred eighty-one (65.1%) new cadets were eligible and consented to participate. Injured cadets had significantly lower self-efficacy scores (p=0.003 and p=<0.001), shorter height (p=<0.001), lower weight (p=0.036), lower push-up and plank performance (p=<0.001), slower two-mile run performance (p=<0.001), and females sustained a proportionally higher number of injuries than males (p=<0.001). Cadets with low self-efficacy, shorter height, lower hand release push-up performance, lower plank performance and slower two-mile run performance were at greater risk for musculoskeletal injury. Cadets with less self-efficacy were also less likely to continue uninjured throughout cadet basic training according to a Kaplan-Meier survival analysis (log rank test<0.002). Multivariable Cox regression revealed that only aerobic fitness predicted musculoskeletal injury (HR=1.005 [1.003-1.006], p=<0.001).</p><p><strong>Conclusions: </strong>Participants with less self-efficacy sustained injuries earlier and more often than those with greater self-efficacy. However, aerobic fitness alone predicted future injury after controlling for all risk factors. Resolved prior injury was not a risk factor for future injury.</p><p><strong>Level of evidence 2b: </strong>Individual cohort study.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 1","pages":"56-70"},"PeriodicalIF":1.6,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11698005/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142933154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 Influence of Cognitive Dual Tasking on the Outcomes of the Triple Hop Test Following Anterior Cruciate Ligament Reconstruction. 认知双重任务对前交叉韧带重建后三跳试验结果的影响。
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-01-02 eCollection Date: 2025-01-01 DOI: 10.26603/001c.127511
Roberto Ricupito, Alberto Grassi, Matteo Zanuso, Paolo Torneri
{"title":"The Influence of Cognitive Dual Tasking on the Outcomes of the Triple Hop Test Following Anterior Cruciate Ligament Reconstruction.","authors":"Roberto Ricupito, Alberto Grassi, Matteo Zanuso, Paolo Torneri","doi":"10.26603/001c.127511","DOIUrl":"https://doi.org/10.26603/001c.127511","url":null,"abstract":"<p><strong>Introduction: </strong>Anterior cruciate ligament (ACL) reconstruction involves prolonged rehabilitation, with Return to Sport (RTS) as a key goal for athletes. Integrating Dual Task (DT) strategies, which combine cognitive and physical tasks, is critical, as multitasking mirrors real-world and sports-specific demands. Assessing how distractions affect performance is essential to optimize RTS outcomes for both the reconstructed and healthy limbs.</p><p><strong>Purpose: </strong>To analyze the influence of DT on the performance of the Triple Hop Test for distance (THD) in individuals' status post ACL reconstruction.</p><p><strong>Study type: </strong>Cross Sectional.</p><p><strong>Materials and methods: </strong>Seventeen patients post-ACL were recruited and performed THD under two conditions: single task (standard condition) and dual task (with an added neurocognitive task). Assessments were conducted on both the healthy and the previously injured limb over six meters, measured via a standard measuring tape. Paired t-tests and Mann-Whitney-Wilcoxon or Kruskal-Wallis tests were applied to investigate differences. Categorical variables were compared using chi-squared tests.</p><p><strong>Results: </strong>There was a significant difference in average distance between single task performances in the healthy and previously operated limbs, with a difference of 20.71 cm (p=0.016). A significant difference was also observed in DT performance, with a distance variation of 10.41 cm (p=0.038). Comparing performances, both the healthy and the ACL-reconstructed limbs showed performance deterioration under DT conditions, with a greater percentage decline in the healthy limb.</p><p><strong>Conclusions: </strong>Dual Task conditions appear to hinder performance in the THD in both the healthy and post-ACL reconstructed limbs.</p><p><strong>Level of evidence: </strong>3b.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 1","pages":"40-47"},"PeriodicalIF":1.6,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11697992/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142933153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accuracy of Two Methods in Estimating Target Muscle Force During Shoulder Submaximal Isometric Contractions. 两种方法估计肩部次极大等距收缩时目标肌力的准确性。
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-01-02 eCollection Date: 2025-01-01 DOI: 10.26603/001c.127141
Sean F Griech, Christos Karagiannopoulos
{"title":"Accuracy of Two Methods in Estimating Target Muscle Force During Shoulder Submaximal Isometric Contractions.","authors":"Sean F Griech, Christos Karagiannopoulos","doi":"10.26603/001c.127141","DOIUrl":"https://doi.org/10.26603/001c.127141","url":null,"abstract":"<p><strong>Background: </strong>Submaximal isometric exercises are used for pain control and neuromuscular facilitation. Typically, an ipsilateral maximal voluntary isometric contraction (MVIC) is used as a reference; however, when this is not clinically feasible, an alternative must be considered. Two options are (1) the no reference (NR) method (submaximal contraction at a self-perceived effort level without reference) and (2) the reciprocal reference (RR) method (MVIC on the contralateral side serves as a reference for a submaximal effort-level on the ipsilateral side). No research evidence exists as to which alternative method is more accurate at the shoulder.</p><p><strong>Purpose: </strong>To determine the accuracy of the NR and RR methods in estimating target muscle force during shoulder ER and IR submaximal isometric contractions among healthy adults.</p><p><strong>Study design: </strong>Observational cross-sectional.</p><p><strong>Methods: </strong>Isometric shoulder force was measured via a hand-held dynamometer on 48 healthy participants (36 females and 12 males) mean age of 27.4 ±1.6 years. Both methods (NR and RR), direction of force (IR and ER), and starting test-side (right or left) were randomized. RR testing involved a contralateral MVIC (reference) prior to a 50% submaximal contraction. NR testing entailed a 50% submaximal contraction with no prior reference MVIC.</p><p><strong>Results: </strong>Actual submaximal efforts were compared to MVIC-based estimated submaximal efforts. Significant moderate - good correlations existed for both the RR (r = 0.691) and NR (r = 0.620) methods, regardless of test-side or shoulder motion. Significant moderate - good correlations were found between both methods for both ER [RR (r = 0.717) and NR (r = 0.614)] and IR [RR (r = 0.669) and NR (r = 0.628)].</p><p><strong>Conclusion: </strong>Both methods had moderate - good accuracy levels and were not influenced by the test side or direction of force. Either method (RR or NR) can be equally useful for shoulder isometric exercise prescription when an ipsilateral reference cannot be determined.</p><p><strong>Level of evidence: </strong>3.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 1","pages":"79-86"},"PeriodicalIF":1.6,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11697993/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142933106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Augmented Feedback Response Prediction by Peak Vertical Ground Reaction Force in Adolescent Female Athletes. 青少年女运动员最大垂直地面反作用力的增强反馈反应预测。
IF 1.6
International Journal of Sports Physical Therapy Pub Date : 2025-01-02 eCollection Date: 2025-01-01 DOI: 10.26603/001c.127139
Hannah Jaime, Drew Rutherford, Becky Heinert, C Nate Vannatta, Sherwin Toribio, Thomas W Kernozek
{"title":"Augmented Feedback Response Prediction by Peak Vertical Ground Reaction Force in Adolescent Female Athletes.","authors":"Hannah Jaime, Drew Rutherford, Becky Heinert, C Nate Vannatta, Sherwin Toribio, Thomas W Kernozek","doi":"10.26603/001c.127139","DOIUrl":"https://doi.org/10.26603/001c.127139","url":null,"abstract":"<p><strong>Background and purpose: </strong>Anterior cruciate ligament (ACL) tears often occur due to non-contact mechanisms in landing within females. Impact loading and aberrant landings may be addressed with augmented feedback training. The purpose of this study was to identify which female athletes most readily respond to a single session of augmented feedback to attenuate vGRF, by considering baseline peak vGFR and change in vGRF during training.</p><p><strong>Design: </strong>Repeated Measures.</p><p><strong>Methods: </strong>One hundred, forty-seven female athletes landed from 50 cm onto two force platforms with and without augmented feedback of vertical ground reaction force (vGRF), vGRF symmetry, and lower extremity position. Each performed six baseline trials and two sets of six training trials with cues. Following training, athletes completed six post-feedback trials (with no feedback) and six dual-task (transfer) trials where they randomly caught a basketball during landing. Peak vGRF was measured. Mean responses were reported for the sets of six trials. Participants were grouped based on their responses to training. Linear regression was used to indicate how well initial performance and response predicted the final response.</p><p><strong>Results: </strong>Four groups were identified, with 107 participants showing high baseline ground reaction forces and response to training. Only 23 participants (16.4%) did not respond to training. Baseline vGRF predicted post-feedback vGRF and transfer task vGRF (R2=0.508 and R2=0.400) across all participants. When change in vGRF was assessed following two blocks of augmented feedback training, prediction of responders improved with post-feedback vGRF and transfer vGRF (R2=0.911 and R2=0.761).</p><p><strong>Conclusions: </strong>The combination of both baseline ground reaction force and response to initial training is more accurate than baseline measures alone in identifying those who respond to training. Assessing initial response to training may be necessary to more accurately identify individuals most likely to benefit from augmented feedback training and who may require further evaluation and training.</p><p><strong>Level of evidence: </strong>2b.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"20 1","pages":"48-55"},"PeriodicalIF":1.6,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11697990/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142933109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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