Physical Therapy in Sport最新文献

{"title":"Effect of open kinetic chain exercises during the first weeks of anterior cruciate ligament reconstruction rehabilitation: A systematic review and meta-analysis","authors":"Vincent Fontanier,&nbsp;Marion Vergonjeanne,&nbsp;Pauline Eon,&nbsp;Arnaud Bruchard,&nbsp;David Laplaud","doi":"10.1016/j.ptsp.2025.02.005","DOIUrl":"10.1016/j.ptsp.2025.02.005","url":null,"abstract":"<div><h3>Background</h3><div>Closed kinetic chain (CKC) exercises are the gold standard for rehabilitation after anterior cruciate ligament reconstruction (ACL-R). Open kinetic chain (OKC) exercises may provide benefits, but their use in the early stages remains controversial.</div></div><div><h3>Objective</h3><div>To determine the effect of OKC exercises during the first weeks of rehabilitation after ACL-R.</div></div><div><h3>Study design</h3><div>Systematic review and meta-analysis.</div></div><div><h3>Methods</h3><div>A comprehensive literature search was conducted according to PRISMA guidelines from inception to April 2024. The methodological quality of the included studies was assessed using the ROBINS I and RoB-2 tools. The changes in outcomes from pre-to post-intervention were quantified using standardized mean differences.</div></div><div><h3>Results</h3><div>Overall, the methodological quality was low and the population, intervention, comparison, outcome, time (PICOT) criteria were heterogeneous. However, OKC was found to have beneficial effects on patient reported outcomes (PROMs), strength, function, and return to play, especially when performed at least four weeks after surgery in rehabilitation programs that began with CKC exercises.</div></div><div><h3>Conclusion</h3><div>The evidence suggests that OKC exercises may provide benefits and no adverse effects in the early stages of rehabilitation after ACL-R, particularly when initiated after CKC exercises. These findings are consistent with current clinical practice guideline recommendations for the inclusion of OKC in rehabilitation programs.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 95-108"},"PeriodicalIF":2.2,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143465047","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}

{"title":"Shoulder injuries in amateur soccer players. An exploratory cross-sectional survey","authors":"Paola Bagnoli ,&nbsp;Francesco Ferrarello ,&nbsp;Fabio Pini ,&nbsp;Duccio Rossi ,&nbsp;Matteo Paci","doi":"10.1016/j.ptsp.2025.02.004","DOIUrl":"10.1016/j.ptsp.2025.02.004","url":null,"abstract":"<div><h3>Objectives</h3><div>To investigate the prevalence, incidence of players reporting shoulder injuries in a non-probability sample of Italian amateur soccer players. We also wanted to explore the characteristics of injuries, predictive factors and differences between men's and women's leagues.</div></div><div><h3>Design</h3><div>Cross-sectional study.</div></div><div><h3>Setting</h3><div>Anonymous online survey.</div></div><div><h3>Participants</h3><div>Adult athletes playing on a first team of the Italian National Amateur Soccer League.</div></div><div><h3>Main outcome measures</h3><div>Period prevalence, incidence, and characteristics of players reporting shoulder injuries over a soccer season.</div></div><div><h3>Results</h3><div>Fifty-one out of 431 respondents reported shoulder injuries. The pooled period prevalence was 12.0% (95%CI [9, 15]), with an incidence of .46 (95%CI [.35, .60]) injured/1000 h of players exposure. Goalkeepers were more likely to be injured than outfield players (OR 5.15, 95%CI [2.27, 11.25]). The injury type stated was mainly contusion (<em>n</em> = 22, 43.1%). Among those reporting injuries, thirty-four (66.6%) respondents stated 0–7 days as time loss from sport activity, with no significant difference due to role (<em>p=</em>.161)</div></div><div><h3>Conclusions</h3><div>Shoulder injuries have a relatively low impact on the participation of adult amateur players in soccer activities. Technical and medical staff need to monitor players after an injury to the shoulder in order to provide appropriate training, prevention of complications and educational programs.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 77-85"},"PeriodicalIF":2.2,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143420766","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}

{"title":"The reliability of a two-plane qualitative assessment tool for a single leg HOP task amongst multidisciplanary sports medicine practitioners","authors":"Lauren Butler ,&nbsp;Ashley Erdman ,&nbsp;Alexa Martinez ,&nbsp;Dai Sugimoto ,&nbsp;Joseph Janosky ,&nbsp;Sophia Ulman","doi":"10.1016/j.ptsp.2025.02.001","DOIUrl":"10.1016/j.ptsp.2025.02.001","url":null,"abstract":"<div><h3>Objective</h3><div>To determine the reliability of a qualitative assessment of trunk and lower extremity alignment during a single hop for distance in youth athletes.</div></div><div><h3>Design</h3><div>Repeated measures.</div></div><div><h3>Methods</h3><div>Twenty-five healthy female youth athletes were recorded performing a single leg hop (SLH). Videos were viewed and scored using a qualitative assessment tool by a physical therapist (PT), Certified Strength and Conditioning Specialist (CSCS), and Athletic Trainer (AT), on two separate occasions. Interclass correlation coefficients (ICCs) for each item and total score were calculated with a 2-way mixed-effect model with 95% confidence intervals (95% CIs).</div></div><div><h3>Results</h3><div>The tool demonstrated moderate intra-rater reliability for the total score (PT ICC = 0.74, CSCS ICC = 0.60, AT ICC = 0.71). Individual item intra-rater reliability ranged from poor to good for the PT (−0.06-0.80), poor to moderate for the CSCS (0.35–0.70), and poor to good for the AT (0.43–0.83). Total score inter-rater reliability was moderate in round one and poor in round two (ICC = 0.57 and ICC = 0.49, respectively).</div></div><div><h3>Conclusions</h3><div>Moderate intra-rater reliability and poor to moderate inter-rater reliability amongst a PT, CSCS, and an AT was demonstrated. Future studies should explore the tool's reliability amongst a more homogenous group of raters to better determine its utility.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 53-58"},"PeriodicalIF":2.2,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143387364","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}

{"title":"Running biomechanics in people with femoroacetabular impingement syndrome: A cross-sectional analysis of sex differences and relationships with patient reported outcome measures","authors":"Guilherme V. da Costa ,&nbsp;Benjamin F. Mentiplay ,&nbsp;Matthew G. King ,&nbsp;Joanne L. Kemp ,&nbsp;Kay M. Crossley ,&nbsp;Sally L. Coburn ,&nbsp;Denise M. Jones ,&nbsp;Danilo de Oliveira Silva ,&nbsp;Marcella F. Pazzinatto ,&nbsp;Richard T.R. Johnston ,&nbsp;Mark J. Scholes","doi":"10.1016/j.ptsp.2025.02.002","DOIUrl":"10.1016/j.ptsp.2025.02.002","url":null,"abstract":"<div><h3>Objectives</h3><div>(i) Investigate if lower-limb running biomechanics differ between women and men with femoroacetabular impingement syndrome, and (ii) explore whether sex-specific relationships between lower-limb running biomechanics and symptom severity and sport-related concerns exist.</div></div><div><h3>Design</h3><div>Cross-sectional.</div></div><div><h3>Setting</h3><div>Gait laboratory.</div></div><div><h3>Participants</h3><div>Twenty women and 22 men enrolled in a clinical trial of physiotherapist-led treatments for femoroacetabular impingement syndrome.</div></div><div><h3>Main outcome measures</h3><div>Kinematics and kinetics of hip, knee, and ankle joints during the stance phase (calculated from three-dimensional biomechanics data) were compared using statistical parametric mapping. The International Hip Outcome Tool-33 and Copenhagen Hip and Groin Outcomes Score quantified hip-related symptom severity and sport-related concerns.</div></div><div><h3>Results</h3><div>Women had larger hip adduction angles (34%–44% of stance,p = 0.045) than men. For kinetics, women displayed larger external hip extension moments (77%–100%,p = 0.001), smaller knee extension moments (80%–100%,p = 0.007), and smaller ankle dorsiflexion moments (26%–67%,p &lt; 0.001) than men. Worse sport-related concern was associated with a larger peak hip extension angle (0.18, 95%CI 0.05,0.31) and smaller hip flexion moment impulse (0.14∗10^–2, 95% CI 0.02∗10^–2,0.25∗10^–2) in women, and smaller hip external rotation moment impulse in men (0.06∗10^–2, 95% CI 0.01∗10^–2,0.11∗10^–2).</div></div><div><h3>Conclusions</h3><div>Women and men with FAI syndrome display differences in lower-limb running biomechanics and relationships between symptom severity and running biomechanics are sex-dependent, warranting consideration in future analyses.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 69-76"},"PeriodicalIF":2.2,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143403356","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}

{"title":"Implications of tendinopathy on the sports career: Epidemiological and clinical profile of high-performance athletes","authors":"Lucas Rafael Lopes ,&nbsp;Daniel Escorsim Machado ,&nbsp;Rodrigo Araújo Goes ,&nbsp;Marcus Vinícius Galvão Amaral ,&nbsp;Francisca Dias ,&nbsp;Valéria Tavares ,&nbsp;Rui Medeiros ,&nbsp;Jamila Alessandra Perini","doi":"10.1016/j.ptsp.2025.02.003","DOIUrl":"10.1016/j.ptsp.2025.02.003","url":null,"abstract":"<div><h3>Objective</h3><div>To identify the prevalence of tendinopathy and describe the predictive factors of condition and chronic tendon pain in high-performance athletes.</div></div><div><h3>Design</h3><div>Cross-sectional observational study.</div></div><div><h3>Setting</h3><div>Sports training centers and competitions.</div></div><div><h3>Participants</h3><div>Federated high-performance athletes.</div></div><div><h3>Main outcome measures</h3><div>Tendinopathy and chronic tendon pain.</div></div><div><h3>Results</h3><div>Out of all recruited athletes, 30.6% had a confirmed diagnosis of tendinopathy. Tendinopathy prevalence was 36.5% in athletes with extremely high training exposure index (TEI), compared to 21.9% in those with low TEI (<em>p</em> = 0.03). There was a significant difference in the prevalence of tendinopathy sites between the sport modalities, TEI classification and sex. Almost 60% had chronic tendon pain, 48% had required a break from training, and 19% reported that the condition affected two or more tendons. Being older than 25 years (OR = 3.5; 95%CI = 2.0–6.2), female sex (OR:0.5; 95%CI:0.3–0.9) and receiving nutritional guidance (OR:1.7; 95%CI:1.3–2.4) were identified as factors associated with tendinopathy. Protection from chronic tendon pain was associated with male sex (OR:0.6; 95%CI:0.3–0.9) and nutritional guidance (OR:0.5; 95%CI:0.3–0.9).</div></div><div><h3>Conclusion</h3><div>This study reports the difference of tendinopathy prevalence according to sexes stratified by TEI classification. Chronic tendon pain was associated with female sex, lack of nutritional guidance, and more than three episodes of condition manifestation.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 59-68"},"PeriodicalIF":2.2,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143403355","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}

{"title":"A pilot study on the effects of multimodal cervical exercise training on clinical concussion risk factors in female athletes","authors":"Brooke J. Thompson,&nbsp;Lauren J. Lattimer","doi":"10.1016/j.ptsp.2025.01.003","DOIUrl":"10.1016/j.ptsp.2025.01.003","url":null,"abstract":"<div><h3>Objectives</h3><div>The primary objective of the current study was to examine whether a 7-week multi-modal cervical training intervention was effective in improving sport related concussion risk factors in female varsity athletes.</div></div><div><h3>Design</h3><div>A quantitative experimental research design involving a prospective exercise intervention.</div></div><div><h3>Methods</h3><div>Seventeen female athletes (age 19.5 ± 1.42 years) attended two data collection sessions (i.e., baseline and post-testing) involving assessments in anthropometrics, isometric and dynamic neck strength, and balance control. The intervention group (n = 8) participated in a seven-week multi-modal neuromuscular training program for the cervical musculature. The control group (n = 9) was not provided with external training aside from what was performed within their sports team which was not cervical spine specific.</div></div><div><h3>Results</h3><div>The intervention group experienced significant improvements in neck-girth, flexor-extensor strength ratio, cervical muscular endurance, isometric and dynamic strength, and balance control.</div></div><div><h3>Conclusion</h3><div>The findings suggest that the intervention was effective in improving clinical measures related to concussion risk. Prior research suggests that improved size, strength, endurance, symmetry, and postural control, improve an athlete's ability to stabilize the head. This improved stability may cause athletes to have reduced motion of the head following a concussive load, consequently reducing SRC risk but should be investigated further.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 39-45"},"PeriodicalIF":2.2,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143270464","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}

{"title":"A comparison of force generation in isometric hip adductor strength exercises: Introducing the weighted isometric Copenhagen Adduction exercise","authors":"Ciaran O' Connor ,&nbsp;Eddie Coyle ,&nbsp;Martin Mc Intyre ,&nbsp;Eamonn Delahunt ,&nbsp;Kristian Thorborg","doi":"10.1016/j.ptsp.2025.01.002","DOIUrl":"10.1016/j.ptsp.2025.01.002","url":null,"abstract":"<div><h3>Objectives</h3><div>To compare maximal isometric force generation between hip adductor long-lever squeeze, the Copenhagen Adduction (CA) exercise with body-mass only, and the weighted isometric CA exercise, in rugby union players.</div></div><div><h3>Design</h3><div>Cross-sectional study.</div></div><div><h3>Setting</h3><div>Club training facility.</div></div><div><h3>Participants</h3><div>Forty-four male, rugby union players.</div></div><div><h3>Main outcome measures</h3><div>Maximum isometric hip adduction squeeze strength in the long-lever testing position, in addition to maximum isometric force data in the isometric CA exercise, and the weighted isometric CA exercise with increasing load.</div></div><div><h3>Results</h3><div>Significantly greater (<em>p</em> ≤ 0.05) torque (Nm/kg) was observed in athletes when performing a weighted isometric CA exercise with: 105% body-mass (0.22Nm/kg, +6.8%), 110% body-mass (0.44Nm/kg, +13.1%), 120% body-mass (0.80Nm/kg, +22.6%), 130% body-mass (1.16Nm/kg, +31.3%), 140% body-mass (1.58Nm/kg, +40.8%) and 150% body mass (1.96Nm/kg, +48.3%), in comparison to the isometric CA exercise, with large effect size (ES = 1.372–5.196). Significantly greater torque was also observed when compared to the isometric hip adduction long-lever squeeze exercise, with large effect size (ES = 2.022–4.091). Twenty-nine athletes reached one maximum isometric repetition in weighted isometric CAs at either 130% body-mass (n = 16) or 140% body-mass (n = 13).</div></div><div><h3>Conclusions</h3><div>The weighted isometric Copenhagen Adduction exercise demonstrates greater force output than the isometric CA and the long-lever squeeze.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 46-52"},"PeriodicalIF":2.2,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143372515","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}

{"title":"Hip adduction and abduction strength values in NCAA Division I American football players: Strength values and a comparison across position groups","authors":"Ciaran O’ Connor ,&nbsp;Eric Renaghan ,&nbsp;Adam Bennett ,&nbsp;Luis Ferrer ,&nbsp;Raina Damodaran ,&nbsp;Patrick Geraghty ,&nbsp;Luis A. Feigenbaum","doi":"10.1016/j.ptsp.2025.01.004","DOIUrl":"10.1016/j.ptsp.2025.01.004","url":null,"abstract":"<div><h3>Objectives</h3><div>To report hip adduction, abduction, and adduction:abduction strength ratio values in NCAA Division I American football players, and to compare strength values across position groups.</div></div><div><h3>Design</h3><div>Cross-sectional study.</div></div><div><h3>Setting</h3><div>University training facility.</div></div><div><h3>Participants</h3><div>85 male football players.</div></div><div><h3>Main outcome measures</h3><div>Isometric hip adduction and abduction strength values in the 0° hip-flexion long-lever and 0° hip-flexion short-lever testing positions, using a ForceFrame.</div></div><div><h3>Results</h3><div>Hip strength values are presented across two testing positions. ANOVA revealed significant differences (<em>p</em> ≤ 0.05) in hip strength between position groups, with medium-to-large effect size (n² = 0.116–0.284). Skill-position and mid-position players demonstrated significantly greater hip adduction and abduction relative strength in both testing positions, when compared to lineman-position players. In addition, skill-position and mid-position players demonstrated significantly greater hip adduction:abduction strength ratios (0.19–0.20, 24–25%) in the long-lever testing position, when compared to lineman-position players, with large effect size (n² = 0.178). No significant differences in strength were observed between skill-position and mid-position players. Hip adduction:abduction strength ratios ranged from 0.68 to 0.88 in the long-lever testing position and 1.05 to 1.09 in the short-lever testing position.</div></div><div><h3>Conclusion</h3><div>Significant differences in relative strength exist between position groups of NCAA Division-I football players, in hip adduction, abduction and adduction:abduction ratio.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 32-38"},"PeriodicalIF":2.2,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143137155","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}

{"title":"The influence of patient gender on exercise prescription in ACL reconstruction rehabilitation","authors":"Lauren Butler ,&nbsp;Ashley Erdman ,&nbsp;Elliot Greenberg ,&nbsp;Joseph Janosky ,&nbsp;Matthew Bailey ,&nbsp;Alexa Martinez ,&nbsp;Gregory D. Myer ,&nbsp;Sophia Ulman","doi":"10.1016/j.ptsp.2025.01.001","DOIUrl":"10.1016/j.ptsp.2025.01.001","url":null,"abstract":"<div><h3>Objective</h3><div>To assess differences in physical therapists’ exercise prescription and confidence in return-to-sport readiness between girl and boy patients undergoing rehabilitation post-ACLR.</div></div><div><h3>Design</h3><div>Cross-sectional survey.</div></div><div><h3>Methods</h3><div>115 physical therapist responses were collected in an electronic survey. Demographics were captured and therapists were asked to assess the appropriateness of exercises and intensity of prescription for case vignettes of an adolescent boy and girl at four different phases of post-ACLR rehabilitation. Wilcoxon signed-rank tests were performed for paired comparisons among physical therapists’ responses to the boy and girl vignettes.</div></div><div><h3>Results</h3><div>Physical therapists' exercise prescription and confidence in return-to-sport readiness differed for the boy and girl vignettes post-ACLR, specifically during the return-to-sport phase. When exercise was performed with perceived ideal form, physical therapists indicated it was more appropriate to maintain or progress the exercise for girls and had more confidence in girls' ability to return-to-sport. When the exercise was performed with perceived poor form, physical therapists indicated it was more appropriate to maintain or progress the exercise for boys and had more confidence in boys’ ability to return-to-sport.</div></div><div><h3>Conclusion</h3><div>A patient's gender may influence exercise prescription and return-to-sport expectations of physical therapists, which may contribute to disparities in patient outcomes between genders post-ACLR.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 25-31"},"PeriodicalIF":2.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143043977","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}

{"title":"Postural control strategies in individuals with and without chronic ankle instability during the reach phase of the posteromedial direction of the star excursion balance test","authors":"Shojiro Nozu ,&nbsp;Kristin A. Johnson ,&nbsp;Tadamitsu Matsuda ,&nbsp;Yuji Takazawa","doi":"10.1016/j.ptsp.2024.12.008","DOIUrl":"10.1016/j.ptsp.2024.12.008","url":null,"abstract":"<div><h3>Objective</h3><div>To compare center of mass (COM) and center of pressure (COP) displacement, joint angles, and muscle activity for the ankle, knee, and hip during the posteromedial (PM) reach direction of the Star Excursion Balance Test between individuals with chronic ankle instability (CAI) and healthy individuals.</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>Fifteen individuals with CAI (age: 20.0 ± 1.2 y) and 20 healthy individuals (age: 20.6 ± 0.8 y).</div></div><div><h3>Main outcome measures</h3><div>The maximum reach distance (MRD). The COM and COP displacement, and ankle, knee, and hip joint angles of the stance limb during the PM reach task measured via a 3D motion analysis system. Electromyography (EMG) was also recorded during the task from the tibialis anterior (TA), soleus, peroneus longus, vastus medialis (VM), biceps femoris, and gluteus medius muscles.</div></div><div><h3>Results</h3><div>MRD of the CAI group was shorter than the healthy group (P = 0.005). The CAI group showed higher COM positioning (P = 0.007), less knee flexion (P = 0.009), and lower muscle activity in TA (P = 0.04), and VM (P = 0.007) during performance of the PM reach as compared to the healthy group.</div></div><div><h3>Conclusions</h3><div>These findings suggest that individuals with CAI demonstrate altered postural control strategies during PM reach performance, likely contributing to a shorter MRD.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"72 ","pages":"Pages 18-24"},"PeriodicalIF":2.2,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142960596","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}