Gait & posture最新文献

{"title":"Quantitative evaluation of postural balance utilizing pressure plate: Findings from 1526 healthy Chinese individuals aged 20–80","authors":"Guanqing Li,&nbsp;Jingye Wu,&nbsp;Tenghui Ge,&nbsp;Jintao Ao,&nbsp;Zhongning Xu,&nbsp;Qingyun Li,&nbsp;Ronghui Cai,&nbsp;Yuqing Sun","doi":"10.1016/j.gaitpost.2025.04.011","DOIUrl":"10.1016/j.gaitpost.2025.04.011","url":null,"abstract":"<div><h3>Background</h3><div>The ability to maintain postural balance is essential for daily activities and is often assessed by measuring postural sway using pressure plates. However, there is a lack of large-sample studies evaluating balance in healthy populations.</div></div><div><h3>Research question</h3><div>What are the normative data on postural balance in healthy Chinese individuals, and how do age, sex, height, weight, and body mass index (BMI) correlate with postural balance parameters?</div></div><div><h3>Methods</h3><div>A cross-sectional study was conducted with 1526 healthy individuals aged 20–80 years. Postural balance was evaluated using a pressure plate, and 14 center of pressure (COP) parameters were recorded. All COP parameter results were normalized based on foot area (foot length × bipedal width). Statistical analyses assessed correlations and percentiles.</div></div><div><h3>Results</h3><div>Balance were consistently greater for males than for females across all ages and eye conditions. The difference became statistically significant for both males and females after 40–49 years. Balance began to deteriorate for males in the 40–49 age group, while for females, deterioration began in the 50–59 age group. Anthropometric parameters, including height, weight, and BMI, demonstrated weak or no correlation with COP parameters. The closed-eye condition consistently showed significantly greater COP values than the open-eye condition.</div></div><div><h3>Significance</h3><div>This study provides comprehensive normative data on COP parameters, offering a valuable reference for quantitative assessment of postural balance. Notably, balance ability declines with age in both males and females, but declines earlier in males, with females consistently demonstrating better balance across age groups. These insights into age- and sex-related differences in balance may support targeted interventions to enhance postural stability in Chinese adults.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 111-117"},"PeriodicalIF":2.2,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823776","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":"Low back pain reduces reliance on the segment rotation mechanism for postural control in challenging postural conditions","authors":"R. Tisserand ,&nbsp;M. Billot ,&nbsp;R. Bechet ,&nbsp;J. Plard ,&nbsp;R. Cabirol ,&nbsp;P. Rigoard ,&nbsp;R. David ,&nbsp;T. Robert","doi":"10.1016/j.gaitpost.2025.04.010","DOIUrl":"10.1016/j.gaitpost.2025.04.010","url":null,"abstract":"<div><h3>Introduction</h3><div>Low back pain (LBP) is considered to alter postural control, yet postural control results remain heterogenous in the LBP population. A potential explanation is that postural control has been predominantly characterised by the ‘center of pressure’ (CoP) mechanism in non-challenging anatomical conditions, omitting the contribution of the ‘segment rotation’ mechanism (i.e. modification of whole-body angular momentum). The objective of this study was to characterise the impact of LBP on postural control in non-challenging and challenging bipedal upright postures, using indicators illustrating the contribution of both the CoP and segment rotation mechanisms to postural control.</div></div><div><h3>Methods</h3><div>Twenty adults with chronic LBP and twenty age-matched adults without LBP stood quietly on a forceplate in four postural conditions: anatomical with eyes open, anatomical with eyes closed, tandem with eyes open and tandem with eyes closed. ANOVAs were used to compare indicators illustrating the contribution of the CoP and segment rotation mechanisms between groups and conditions.</div></div><div><h3>Results</h3><div>No difference in indicators of the CoP mechanism were observed between the two groups. Smaller results in mediolateral indicators accounting for the segment rotation mechanism were observed for the LBP group in the tandem with eyes closed condition, compared to the control group.</div></div><div><h3>Discussion</h3><div>These findings suggest that LBP impairs reliance on the segment rotation mechanism (i.e. modification of whole-body angular momentum) for postural control, when its contribution is substantial and cannot be compensated by visual feedbacks. Consequently, the segment rotation mechanism should be quantified complementarily to the CoP mechanism in the LBP population.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 136-142"},"PeriodicalIF":2.2,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823639","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 effect of step length alterations on intact limb medial tibiofemoral joint contact force in individuals with unilateral lower limb amputation","authors":"E. Daniel Syrett ,&nbsp;Carrie L. Peterson ,&nbsp;Benjamin J. Darter","doi":"10.1016/j.gaitpost.2025.04.004","DOIUrl":"10.1016/j.gaitpost.2025.04.004","url":null,"abstract":"<div><h3>Introduction</h3><div>Individuals with lower limb amputation (LLA) frequently demonstrate intact limb knee osteoarthritis, likely from alterations in joint loading. Prior work suggests changes in step length (SL) may affect knee joint loading, however this has not been evaluated in this population. Therefore, the purpose of this study was to examine the effect of SL changes on intact limb medial compartment tibiofemoral joint contact force (mTJCF) in individuals with LLA.</div></div><div><h3>Methods</h3><div>Fourteen individuals with transtibial amputation walked at their self-selected velocity for three step length conditions: self-selected (SL_SS), 15 % increased (SL_I), and 15 % decreased (SL_D). Ten gait cycles from each condition were analyzed using standard OpenSim procedures. Intact limb mTJCF 1st Peaks, 2nd Peaks, and Impulses were compared between conditions using linear mixed effects models.</div></div><div><h3>Results</h3><div>1st Peak was increased during SL_I compared to SL_SS (2.65 BW vs. 2.39 BW, p = 0.02). 2nd Peak was reduced during SL_D compared to SL_SS (2.61 BW vs. 2.94 BW, p &lt; 0.01) and SL_I (2.61 BW vs. 3.05 BW, p &lt; 0.01). Impulse was different between all conditions (SL_SS: 1.35 ± 0.29 BW-s, SL_I: 1.61 ± 0.33 BW-s, SL_D: 1.14 ± 0.35 BW-s, all p &lt; 0.01). All other comparisons were non-significant.</div></div><div><h3>Conclusion</h3><div>Changes in SL altered intact limb mTJCF of individuals with LLA, though whether these changes are clinically meaningful is unknown. Clinicians should consider such effects when performing interventions that may alter SL.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 118-123"},"PeriodicalIF":2.2,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823777","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":"Ankle muscle activity characteristics of stroke patients with hemiplegia at gait initiation","authors":"Ryo Onuma ,&nbsp;Fumihiko Hoshi ,&nbsp;Tadamitsu Matsuda ,&nbsp;Tomoko Sakai ,&nbsp;Tetsuya Jinno","doi":"10.1016/j.gaitpost.2025.04.006","DOIUrl":"10.1016/j.gaitpost.2025.04.006","url":null,"abstract":"<div><h3>Objectives</h3><div>This study aimed to clarify the ankle muscle activity characteristics during gait initiation in stroke patients with hemiplegia.</div></div><div><h3>Methods</h3><div>Gait initiation behavior was analyzed in 10 elderly controls and 30 stroke patients with hemiplegia. Activity latencies of the tibialis anterior and soleus muscles on both sides were measured using surface electromyography. The left and right conditions of the participant's leading leg were randomized and specified, and the gait initiation task was performed six times. Muscle activity latencies between the stance and stepping sides in both groups were compared. We also compared the paretic and non-paretic sides of stroke patients.</div></div><div><h3>Results</h3><div>Muscle activity latency of the paretic leg was delayed in stroke patients compared to elderly controls. Activity latencies of the tibialis anterior and soleus muscles on the paretic side were delayed compared to those on the non-paretic side in stroke patients when leading with the paretic leg. Delayed muscle activity latency was observed only in the tibialis anterior muscle on the paretic side than on the non-paretic side when leading with the non-paretic leg.</div></div><div><h3>Conclusion</h3><div>This study showed that muscle activity in the paretic leg of stroke patients was delayed and that ankle muscle activity characteristics differed depending on the leading leg. These new results may provide a basis for training aimed at improving the latency of muscle activity in the paretic leg, as well as specific training for gait initiation by guiding the non-paretic leg, considering muscle activity patterns.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 104-110"},"PeriodicalIF":2.2,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143815452","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":"How do individuals with subacute stroke nearly fall during forward walking?","authors":"Yuji Osada ,&nbsp;Yosuke Kobayashi ,&nbsp;Tomo Osuka ,&nbsp;Sumiko Yamamoto","doi":"10.1016/j.gaitpost.2025.04.005","DOIUrl":"10.1016/j.gaitpost.2025.04.005","url":null,"abstract":"<div><h3>Background</h3><div>Clarifying how falls have occurred in individuals with stroke is difficult because most falls are unwitnessed. We regularly measured gait using a 3D motion analysis system; thus, falling motion was recorded kinematically, allowing analysis of the relationship between near-fall timing and direction.</div></div><div><h3>Research question</h3><div>When and in what direction an individual with stroke nearly falls?</div></div><div><h3>Methods</h3><div>Sixty-seven individuals with stroke who experienced near falls (67 trials) were selected from 2,494 participants (40,602 trials). Near-fall timing was classified into the loading response phase (LR), single stance phase (SS), pre-swing phase (PS), and swing phase (SW) groups of the paretic limb. Near-fall direction was classified into forward, backward, paretic, and nonparetic side. Differences in frequencies of near-fall timing and direction were examined using Fisher’s exact test.</div></div><div><h3>Results</h3><div>Regarding the relationship between near-fall timing and direction analyzed using adjusted residuals, two participants of the LR group (2 participants) fell in the paretic side direction, 12 participants of the SS group (22 participants) fell backward, and 9 participants of the SW group (13 participants) fell forward (p &lt; 0.01). PS group (30 participants) showed no specific near-fall direction.</div></div><div><h3>Conclusions</h3><div>We clarified the specific near-fall timing and direction in individuals with stroke; finding they tended to fall during the backwards in the single stance phase and forwards during the swing phase. Providing caregivers with information and instructions regarding when and in what direction participants are likely to fall may contribute to fall prevention in patients with subacute stroke.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 98-103"},"PeriodicalIF":2.2,"publicationDate":"2025-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143815581","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":"Wireless inertial measurement unit-based methods for measuring lumbopelvic-hip range of motion are valid compared with optical motion capture as golden standard","authors":"Robbert N. van Amstel ,&nbsp;Iris E. Dijk ,&nbsp;Karl Noten ,&nbsp;Guido Weide ,&nbsp;Richard T. Jaspers ,&nbsp;Annelies L. Pool-Goudzwaard","doi":"10.1016/j.gaitpost.2025.04.003","DOIUrl":"10.1016/j.gaitpost.2025.04.003","url":null,"abstract":"<div><h3>Background</h3><div>Lumbopelvic-hip motions in the sagittal plane are critical in distinguishing between individuals with Low Back Pain (LBP) and healthy counterparts. Assessment of these motions involves evaluation of the range of motion, timing, coordination, alignment, and functional performance. Traditional, golden standard devices, like optical motion capture systems, are costly and limited to lab settings. Alternatively, Inertial Measurement Units (IMUs) potentially offer an affordable solution that allows movement assessment in daily life.</div></div><div><h3>Methods</h3><div>This cross-sectional study compares two IMU-based measurement methods (2 versus 3 sensors) with optical motion capture to assess the sagittal lumbopelvic-hip range of motion (RoM) during extension and flexion motions in individuals with nonspecific chronic LBP and healthy controls. The primary objective was to establish the clinimetric measurement accuracy of IMU-based methods by assessing their concurrent validity with optical motion capture. Secondary aims included assessment time differences and measurement errors.</div></div><div><h3>Findings</h3><div>Strong positive correlations were shown between optical motion capture and both IMU-based measurement methods for flexion and extension RoM and the measurement timing. Minimal measurement errors were observed. For measuring both RoM and timing of measuring RoM, the IMU method with 3 sensors showed slightly better accuracy than the IMU method with 2 sensors.</div></div><div><h3>Interpretation</h3><div>This cross-sectional study successfully established the clinimetric measurement validity and accuracy of IMU-based methods in assessing lumbopelvic-hip mobility in individuals with nonspecific low back pain and healthy controls. Revised Sentence: Based on our findings, low-cost IMU-based methods can be validly utilized in both daily clinical practice and clinical research for the assessment of lumbopelvic-hip motion.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 72-80"},"PeriodicalIF":2.2,"publicationDate":"2025-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143792738","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":"Age-related trajectories of muscle strength and power in individuals with cerebral palsy and the relationship to walking capacity","authors":"Mattie E. Pontiff ,&nbsp;Noelle G. Moreau","doi":"10.1016/j.gaitpost.2025.03.028","DOIUrl":"10.1016/j.gaitpost.2025.03.028","url":null,"abstract":"<div><h3>Background</h3><div>Cessation of walking is a consequence of aging in many individuals with Cerebral Palsy (CP). Muscle strength and power are associated with walking capacity in those with CP. However, the age-related trajectories in strength and power and how they compare to trajectories of those with typical development (TD) are unknown. Additionally, determining which measure of muscle performance (strength or power) is more closely associated with walk capacity may guide clinical assessments of muscle performance that are most meaningful to mobility in those with CP.</div></div><div><h3>Research question</h3><div>Do the associations between age and muscle performance differ between individuals with CP and TD? Is muscle power more strongly associated with walking capacity compared to muscle strength in those with CP?</div></div><div><h3>Methods</h3><div>Age-related differences in muscle strength and power between individuals with CP (n = 66, 13.5 ± 4.8 years, GMFCS I–IV) and TD (n = 42, 16.8 ± 6.1 years) were examined with linear regression and ANCOVA. Associations between measures of walking capacity and strength and power were evaluated with Pearson’s (r).</div></div><div><h3>Results</h3><div>Linear regression between muscle strength and power with age was statistically significant in both groups. Age-related changes in strength and power were significantly greater in TD compared to CP. Linear regression between normalized strength and power with age was significant in those with TD but not in CP. All measures of walking capacity were significantly associated with both strength and power, but muscle power was more strongly correlated (p &lt; 0.05).</div></div><div><h3>Significance</h3><div>Although age-related changes were observed in both groups, individuals with TD demonstrated greater age-related changes in muscle power and strength than those with CP. After normalizing by body mass, no age-related changes were observed in CP, suggesting that gains in power and strength are insufficient to offset increases in body mass with age. Muscle power had a stronger relationship to walking capacity than strength.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 66-71"},"PeriodicalIF":2.2,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143783627","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":"Abnormal lateral malleolus morphology and its association with physical function in Japanese adolescent competitive athletes; Cross-sectional study","authors":"Honoka Ishihara ,&nbsp;Yasunari Ikuta ,&nbsp;Noriaki Maeda ,&nbsp;Shogo Tsutsumi ,&nbsp;Satoshi Arima ,&nbsp;Makoto Komiya ,&nbsp;Tsubasa Tashiro ,&nbsp;Takeru Abekura ,&nbsp;Kai Ushio ,&nbsp;Yukio Mikami ,&nbsp;Takeya Araki ,&nbsp;Nobuo Adachi ,&nbsp;Yukio Urabe","doi":"10.1016/j.gaitpost.2025.03.009","DOIUrl":"10.1016/j.gaitpost.2025.03.009","url":null,"abstract":"<div><h3>Background</h3><div>Avulsion fractures of the lateral malleolus, detected as abnormal lateral malleolus morphology (ALM), occur concomitantly with lateral ankle sprain (LAS) in children and adolescents. We hypothesized that structural changes in the ankle joint due to ALM may contribute to deterioration in dynamic balance function.</div></div><div><h3>Research question</h3><div>What are the differences in physical function between competitive adolescent athletes with and without ALM, and what factors influence dynamic postural stability on landing, a critical physical function associated with LAS?</div></div><div><h3>Methods</h3><div>This is the cross-sectional study. Among the participants enrolled, 134 feet were categorized into a non-ALM group, whereas 36 feet were assigned to the ALM group. Foot alignment including medial longitudinal arch and transvers arch, ankle dorsiflexion range of motion, intrinsic foot muscle and plantar fascia morphology, toe flexor strength, and dynamic postural stability index (DPSI) were compared between the two groups. Additionally, regression analysis was employed to identify parameters influencing the dynamic postural stability in each group.</div></div><div><h3>Results</h3><div>The ALM group exhibited wider foot widths, more pronounced transverse arch spreads, reduced ankle dorsiflexion range of motion, thickened plantar fascia, lower toe flexor strength, and decreased dynamic postural stability (p&lt;0.05, respectively). Multiple regression analysis indicated that decreased ankle dorsiflexion angle was associated with DPSI in both groups, and the wider transverse arch of ALM group was related to DPSI (p&lt;0.05, respectively).</div></div><div><h3>Significance</h3><div>The lowered transverse arch emerged as a specific feature of ALM group associated with their decreasing dynamic postural instability. Athletes with ALM may be at higher risk of LAS due to poor foot alignment and limited ankle joint range of motion, leading to reduced shock absorption during landing. This study provides crucial keys for the critical focus regarding the physical screening of athletes.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799015","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":"Time-frequency analysis of muscle activation patterns in individuals with chronic ankle instability during walking","authors":"Jaeho Jang ,&nbsp;Hoon Kim ,&nbsp;Erik A. Wikstrom","doi":"10.1016/j.gaitpost.2025.04.002","DOIUrl":"10.1016/j.gaitpost.2025.04.002","url":null,"abstract":"<div><h3>Background</h3><div>Individuals with chronic ankle instability (CAI) exhibit altered walking mechanics, including changes in joint movement and muscle activation patterns at the ankle. However, amplitude-based analyses of muscle activation during walking have shown inconsistent results between individuals with CAI and uninjured controls. Time-frequency analyses can capture transient and frequency-specific muscle activation patterns that amplitude-based analyses may overlook, offering deeper insights into muscle function during dynamic activities.</div></div><div><h3>Research question</h3><div>Do individuals with CAI demonstrate increased low-frequency muscle activation and decreased high-frequency activation in the time-frequency domain compared to uninjured individuals during walking at their self-selected speed?</div></div><div><h3>Methods</h3><div>Nineteen individuals with CAI and 19 uninjured controls completed a walking trial on a force-measuring treadmill at their self-selected speed while electromyography sensors recorded muscle activity from the shank muscles. We used wavelet transformation to perform time-frequency decomposition of muscle activation data, then applied principal component analysis to extract unique signal features and compared principal component scores between groups.</div></div><div><h3>Results</h3><div>Individuals with CAI exhibited significantly greater intensity magnitudes in the medial gastrocnemius and soleus muscles at low frequencies and reduced magnitudes at high frequencies compared to controls (p = 0.006). Individuals with CAI exhibited significantly larger intensity magnitudes in the tibialis anterior and lateral gastrocnemius across all frequencies. Those with CAI showed smaller intensity magnitudes in the fibularis longus muscle overall but had higher magnitudes at low frequencies at the onset of the stance phase.</div></div><div><h3>Significance</h3><div>Our finding suggests that electromyography analysis in the time-frequency domain has the potential to reveal unique muscle function alterations in individuals with CAI during walking, which cannot be observed in traditional amplitude-based analyses.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 46-52"},"PeriodicalIF":2.2,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143776530","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":"Association between gait characteristics during obstacle crossing and fall risk in stroke patients: A prospective cohort study","authors":"Xianglin Wan ,&nbsp;Zihao Zhu ,&nbsp;Feng Xu ,&nbsp;Qiujie Li","doi":"10.1016/j.gaitpost.2025.03.022","DOIUrl":"10.1016/j.gaitpost.2025.03.022","url":null,"abstract":"<div><h3>Background</h3><div>In daily life, stroke patients frequently experience falls during obstacle crossing. Analyzing the gait characteristics of patients in high-risk falling scenarios can help identify and predict fall risks.</div></div><div><h3>Research question</h3><div>Exploring the predictive power of gait characteristics during obstacle crossing for fall risk in stroke patients.</div></div><div><h3>Methods</h3><div>Recruitment of 38 stroke patients with unilateral hemiplegia discharged from rehabilitation. A Qualisys motion capture system and two Kistler force plates were used to record the marker positions and the ground reaction forces during crossing an obstacle 4 cm in height with the affected limb as the leading limb. Gait spatio-temporal parameters, joint angles, and joint moments were calculated. Following a 12-month follow-up survey to collect data on falls among participants, independent samples <em>t</em>-test and binary logistic regression models were employed to identify predictors associated with future fall risk.</div></div><div><h3>Results</h3><div>During the follow-up period, 13 participants experienced at least one fall and were categorized into the fall group; 14 participants did not experience any falls and were categorized into the non-fall group. Binary logistic regression analysis revealed that the toe-clearance distance of the trailing limb, as well as the peak ankle plantarflexion moment of the trailing limb during double support phase, are effective predictors of fall risk in stroke patients (<em>P</em> &lt; 0.05). The overall correct prediction rate of the regression model incorporating both factors was 85.2 %.</div></div><div><h3>Significance</h3><div>Gait analysis during obstacle crossing holds potential clinical value in identifying future fall risk in stroke patients.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"120 ","pages":"Pages 9-16"},"PeriodicalIF":2.2,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143759229","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}