Gait & posture最新文献

{"title":"Gait of lower limb amputees: Unusual time-course of vertical ground reaction forces of the intact limb","authors":"Claire Mahé ,&nbsp;Jozina De Graaf ,&nbsp;Isabelle Bonillo ,&nbsp;Sylvie Nadeau ,&nbsp;Laurine Calistri ,&nbsp;Serge Mesure","doi":"10.1016/j.gaitpost.2025.02.020","DOIUrl":"10.1016/j.gaitpost.2025.02.020","url":null,"abstract":"<div><h3>Background</h3><div>The impact of an amputation on the intact limb during walking is still unclear. By using vertical ground reaction forces (vGRF), recent reports suggested that not all amputees exhibit the classical M-shape. However, there is no study exploring these “Non-M” strides on both feet. The purpose of present study was to explore the vGRF time-course during gait and to quantify “Non-M” strides, their reproducibility and factors that could influence their apparition.</div></div><div><h3>Methods</h3><div>vGRF of 29 controls and 23 unilateral lower-limb amputees were recorded during a 5-min walk at comfortable speed on an instrumented treadmill. Each stride was classified as “M” or “Non-M” to determine the percentage of “Non-M” strides per limb that were then compared between groups and limbs. The influence of age, time since amputation, speed, stance phase ASI, and type of prosthetic foot on the percentage of “Non-M” strides was tested. Comparisons between intact and prosthetic sides were made for duration of the stance phase and variability of vGRF patterns.</div></div><div><h3>Results</h3><div>the percentage of “Non-M” strides was higher in the amputee group (p &lt; 0.001) and higher in the intact limb compared to the prosthetic limb (p &lt; 0.001). The analysis of the variables that could influence vGRF did not identify a cause. The amputees who also produced “Non-M” strides had higher variability in their vGRF patterns on the intact limb compared to those producing only “M” strides. This was not observed on the prosthetic side.</div></div><div><h3>Significance</h3><div>The results suggest that the intact limb adapts in real-time to manage the body's movements, compensating for limits of prosthetic footwear. The global time-course of the vGRF (rather than the first peak) is a useful tool for studying the impact of the prosthesis on the intact limb.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 70-76"},"PeriodicalIF":2.2,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552261","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":"Gait temporal parameters estimation in toddlers using inertial measurement units: A comparison of 15 algorithms","authors":"Francesca d’Andrea ,&nbsp;Ben Heller ,&nbsp;Jonathan Wheat ,&nbsp;Gabriella Penitente","doi":"10.1016/j.gaitpost.2025.02.024","DOIUrl":"10.1016/j.gaitpost.2025.02.024","url":null,"abstract":"<div><h3>Background</h3><div>Children’s motor development can be evaluated through the analysis of gait temporal parameters and their variability. This requires the detection of gait events in a real-world environment, which can be achieved using inertial measurement units. Algorithms have been previously developed for healthy adults; however, the performance of these algorithms in the detection of gait events in toddlers has not been analysed.</div></div><div><h3>Research question</h3><div>Can inertial measurement units be used to analyse gait temporal parameters in toddlers?</div></div><div><h3>Methods</h3><div>Fifteen previously published algorithms using sensors attached on the lower-back or the ankles were used to identify gait events and calculate gait temporal parameters. A total of 1388 initial and 1388 final foot contacts collected from 15 toddlers were included in the analysis. The performance of the algorithms was compared against a GAITRite mat in terms of accuracy and precision. Accuracy in the measurement of gait temporal parameters was evaluated using Bland Altman limits of agreement for repeated measurements, and precision was assessed through the evaluation of correctly identified, falsely identified and missed events.</div></div><div><h3>Results</h3><div>From our results, no algorithm emerged as a best option from all those analysed. Algorithms using the ankle sensors provide higher accuracy and perfect precision when using only angular velocity about the medio-lateral axis. The best algorithms using the sensor attached at the lower-back use the resultant or global acceleration that reduces the effect of the sensor’s alignment. These lower-back-based algorithms compared to the best ankle-based ones have similar accuracy for the calculation of stride time and higher accuracy for step time; however, they do not have perfect precision.</div></div><div><h3>Significance</h3><div>Inertial measurement units can support research analysing the temporal parameters of toddlers’ gait in controlled environments, and may allow future studies in natural, free-living environments that can improve the monitoring of gait in young children.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 77-86"},"PeriodicalIF":2.2,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552187","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 changes in mediolateral stability control during walking","authors":"Yash Ramesh Rawal ,&nbsp;Kathryn M. Sibley ,&nbsp;Jonathan C. Singer","doi":"10.1016/j.gaitpost.2025.02.021","DOIUrl":"10.1016/j.gaitpost.2025.02.021","url":null,"abstract":"<div><h3>Background</h3><div>Younger adults (YA) may primarily regulate mediolateral stability during walking through proactive control of net ground reaction force orientation, with residual instability during challenging gait conditions mediated by reactive force generation later in the gait cycle. We sought to understand if older adults (OA) use a similar reactive strategy to regulate mediolateral stability during walking when proactive control is limited.</div></div><div><h3>Research question</h3><div>Do gait velocity and step width constraints differentially alter mediolateral gait stability control among healthy younger (18−35) and older (&gt;65) participants?</div></div><div><h3>Methods</h3><div>28 YA and 28 OA performed normal (NW), fast (FW) and narrow base (NBW) walking conditions across an instrumented walkway. Mediolateral stability was quantified by the minimum mediolateral margin of stability (MoS_ML). The frontal-plane eccentricity of the GRF_net was calculated at two peaks (P1 and P2) following foot-contact. Age- and task-related differences in the magnitude and timing of kinematic and kinetic outcome variables were examined.</div></div><div><h3>Results</h3><div>OA exhibited reduced minimum MoS_ML, alongside reductions in the P2 eccentricity in both NW and FW conditions. No age-related differences in MoS_ML were observed during NBW, although OA exhibited a significantly increased P2 magnitude, which was delayed within the gait cycle. No age-related differences in P1 magnitude or timing were noted, nor were there age-related differences in MoS_ML at the onset of double support.</div></div><div><h3>Significance</h3><div>OA may regulate mediolateral stability through foot-placement, when possible. With constraints on foot placement, OA are able to compensate by generating a sufficient, but delayed, P2 eccentricity to counter instability arising during double support.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 95-101"},"PeriodicalIF":2.2,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552191","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":"Comparing the effects of Kinesio and dynamic tapes on plantar pressure and postural stability in the pre- and post-fatigue phases: The case of men with pes planus","authors":"Hossein Khorshidi ,&nbsp;Zahra Raeisi ,&nbsp;Ali Yalfani","doi":"10.1016/j.gaitpost.2025.02.017","DOIUrl":"10.1016/j.gaitpost.2025.02.017","url":null,"abstract":"<div><h3>Background</h3><div>Pes planus (PP) is a common foot arch disorder. The present research was conducted to compare the effectiveness of Kinesio tape (KT) and dynamic tape (DT) in treating postural fluctuations during the pre-and post-fatigue phases in males with PP.</div></div><div><h3>Methods</h3><div>In this crossover study, 35 men with PP were recruited. The participants attended intervention sessions on three different days. At the onset of each session, one condition—either a session without taping (WT), KT use, or DT application—was randomly selected. Afterward, plantar pressure and postural fluctuations were recorded before and after fatigue under the chosen condition with pedoscan. The taping technique used was the modified low-dye tape (LDT) method.</div></div><div><h3>Results</h3><div>The study found that before fatigue, plantar pressure distribution increased significantly in the lateral areas and decreased in the medial areas with DT and KT compared to WT (<em>p</em> = 0.03). After fatigue, DT resulted in more lateral pressure and lower medial pressure than WT (both <em>p</em> = 0.035). Regarding the center of pressure (CoP), maximum posterior fluctuations decreased significantly after fatigue with DT compared to KT (<em>p</em> = 0.016). Additionally, there was a significant reduction in maximum lateral fluctuations post-fatigue with DT compared to KT (<em>p</em> &lt; 0.001) and WT (<em>p</em> = 0.006).</div></div><div><h3>Significance</h3><div>According to the results, we recommend using DT with the LDT method to manage PP in men. Because only the short-term effects of DT were examined in this study, future research should inquire into the long-term effects of this intervention.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 48-55"},"PeriodicalIF":2.2,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143512450","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":"Impact of amputation level on gait disorders in transfemoral and transtibial amputees","authors":"Eric Pantera ,&nbsp;Nicolas Reneaud ,&nbsp;Arnaud Dupeyron ,&nbsp;Didier Pradon","doi":"10.1016/j.gaitpost.2025.02.013","DOIUrl":"10.1016/j.gaitpost.2025.02.013","url":null,"abstract":"<div><h3>Question</h3><div>How does the level of lower limb amputation affect spatiotemporal gait asymmetry and cautious gait criteria to inform tailored rehabilitation interventions?</div></div><div><h3>Design</h3><div>A retrospective study analyzing gait patterns in individuals with unilateral lower limb amputations.</div></div><div><h3>Participants</h3><div>49 amputees (22 (45 %) transtibial, 27 (55 %) transfemoral) compared to 30 healthy controls, evaluated between January 2018 and June 2023.</div></div><div><h3>Intervention Participants</h3><div>performed a spontaneous walking speed test on a pressure mat (Zebris® FDM 2 &amp; 3 System, 100 Hz, v 1.18.44, GmbH, Isny, Germany) after completing rehabilitation.</div></div><div><h3>Outcome Measures</h3><div>Gait symmetry and cautious gait were assessed using spatio-temporal parameters, center of pressure (CoP) displacement, and foot segment forces.</div></div><div><h3>Results</h3><div>Increased asymmetry was observed in stance phase duration, step length, stance duration, and walking speed (95 % CI 0.398–0.658) depending on the level of amputation. Transfemoral amputees showed significant increases in step width (95 % CI 0.201–0.512), double support phase (95 % CI 0.000–0.150), and medio-lateral CoP displacement (95 % CI 0.039–0.326). The increased asymmetry in spatio-temporal parameters suggests different compensation strategies between transfemoral and transtibial levels. These differences highlight the importance of the rehabilitation paradigm in managing asymmetry and its underlying compensations during locomotor activities.</div></div><div><h3>Conclusion</h3><div>The level of amputation significantly impacts gait asymmetry and cautious gait parameters. Transfemoral amputees exhibit more pronounced cautious gait characteristics, likely due to the need for greater stabilization. These findings underscore the importance of personalized rehabilitation to address specific compensations and gait abnormalities based on amputation level.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 23-30"},"PeriodicalIF":2.2,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143487147","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":"Reproducibility and convergent validity of the blazepod stepping reaction test in older people","authors":"Daphne Ilin,&nbsp;Alon Kalron","doi":"10.1016/j.gaitpost.2025.02.015","DOIUrl":"10.1016/j.gaitpost.2025.02.015","url":null,"abstract":"<div><h3>Introduction</h3><div>Proper balance control requires adaptive stepping, a strategy frequently used to maintain balance at the critical moment of slipping or tripping<strong>.</strong> Previous studies have confirmed that a slow-stepping reaction is prevalent in older people. Furthermore, those with a slow-stepping reaction are at a higher risk of falling<strong>.</strong></div></div><div><h3>Aim</h3><div>Examine the convergent validity and intra-rater test-retest reproducibility of a novel instrumented stepping reaction test in older adults.</div></div><div><h3>Methods</h3><div>The study was observational, encompassing a test-retest design. Main outcome measures included the novel instrumented Blazepod Stepping Reaction Test (BSRT), Mini-BESTest including subcategories (Anticipatory, Reactive Postural control, Sensory orientation, Dynamic gait), Timed Up and Go test (TUG), Choice Stepping Reaction Time test (CSRT), Fear of Falling (FoF), and Fall Status Questionnaire.</div></div><div><h3>Results</h3><div>Fifty older people (33 women, 17 men), with a mean age of 72.2 (SD=4.2), were enrolled in the study. The mean BSRT test score of the study sample was 15.9 (SD=3.2). The intraclass correlation coefficient value for the intra-rater test-retest reproducibility of the BSRT test was 0.793 (95 %CI, 0.493, 0.912). The SEM and MDC values were 1.446 and 2.36, respectively. A moderate-strong correlation score was found between the BSRT and the TUG (r = -0.670). Moderate correlation scores were found between the BSRT and the Min-BESTest total score, anticipatory postural adjustment, and dynamic gait (r∼0.55). Moderate correlations were found between the BSRT, fear of falling (r = 0.40), the CSRT (r = -0.35), and balance sensory orientation (r = 0.37). No associations were found between the BSRT and reactive postural control.</div></div><div><h3>Conclusions</h3><div>The current study supports the convergent validity and test-retest reproducibility of the BSRT in older people.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 1-6"},"PeriodicalIF":2.2,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143479022","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":"Quantifying frontal plane knee thrust in patients with medial knee osteoarthritis using weight transfer and balance tasks","authors":"Stephane Northon ,&nbsp;Karine Boivin ,&nbsp;Louis Laurencelle ,&nbsp;Nicola Hagemeister","doi":"10.1016/j.gaitpost.2025.02.018","DOIUrl":"10.1016/j.gaitpost.2025.02.018","url":null,"abstract":"<div><h3>Background</h3><div>Frontal plane instability and chronic pain are common, particularly in older adults with knee osteoarthritis. Previous literature has quantified frontal plane knee thrusts (varus or valgus) during gait, but not during a balance task. This may be relevant to the clinical assessment of people with knee problems, as for some, gait may be too impaired for analysis. The present study aimed to determine the relevance of the proposed measures of knee thrust assessed during a weight transfer and balance task. We hypothesised that the knee thrusts quantified would be sensitive to the presence and severity of osteoarthritis and have high repeatability between trials, which is critical for patient monitoring.</div></div><div><h3>Methods</h3><div>Forty-nine older adults (mean 63.8 ± 7.4 years) with (n = 33) or without (n = 16) knee osteoarthritis performed a total of six frontal plane weight-bearing transfer trials in a single-leg standing task. Motion analysis, performed using a non-invasive exoskeleton setup and optoelectronics, focused on the frontal plane knee angles at specific timepoints during the task to extract varus-valgus thrust measures and their magnitude (absolute values). The sensitivity of the measures to the presence and severity of knee osteoarthritis and their repeatability between trials were determined. Correlations between the relevant thrust measures, frontal plane range of motion and the WOMAC pain, function, and stiffness subscales were also computed.</div></div><div><h3>Results</h3><div>Results show that the |Peak-2 %_BW| measure of thrust (absolute values) is sensitive to disease and its severity and has high repeatability between trials. The Peak-2 %_BW measure (in varus/valgus direction) was significantly correlated with the WOMAC function and stiffness subscales.</div></div><div><h3>Significance</h3><div>This study highlights that a weight transfer and balance task is effective in quantifying frontal thrusts in knee osteoarthritis. Both relative and absolute measures may be relevant for clinical follow-up.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 56-62"},"PeriodicalIF":2.2,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143534738","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 production of muscle power of hip, knee and ankle joints and postural control performance is associated with MiniBESTest tasks in older adults","authors":"Jean Leite da Cruz ,&nbsp;Leonardo Araújo Vieira ,&nbsp;Denilson Junio Marques Soares ,&nbsp;Natalia Madalena Rinaldi","doi":"10.1016/j.gaitpost.2025.02.002","DOIUrl":"10.1016/j.gaitpost.2025.02.002","url":null,"abstract":"<div><h3>Background</h3><div>Aging causes an increase in risk of falling. It is important to adapt balance assessment instruments and muscle power for clinical practice.</div></div><div><h3>Research question</h3><div>What is the relationship of muscle power and postural with MiniBESTest postural tasks in older adults?</div></div><div><h3>Methods</h3><div>This study included 61 older adults. An isokinetic dynamometer was used to evaluate the movements: hip and knee flexion and extension, and ankle dorsiflexion and plantar flexion. Postural control was assessed using a force platform under the following conditions: semi-tandem base on rigid surface with eyes open and closed; semi-tandem base on unstable surface with eyes open and closed. The MiniBESTest was applied to evaluate their clinical balance.</div></div><div><h3>Results</h3><div>The logistic regression analysis showed the association of amplitude of center of pressure (COP) displacement on AP and ML directions and total mean velocity on the sub-items of the MiniBESTest. Moreover, the average power of the hip, knee, and ankle joints also showed association over MiniBESTest tasks.</div></div><div><h3>Significance</h3><div>The association between COP variables and the MiniBESTest indicate that the higher the score in the items, the lower the sway values of the older adults. Furthermore, the association of muscle function and the MiniBESTest tasks indicates that the higher the score in the items, the higher the muscle power of the older adults.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 7-14"},"PeriodicalIF":2.2,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143479023","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":"Validation of an algorithm for detecting turning in people with cognitive impairment, considering dementia disease subtype","authors":"Ríona Mc Ardle ,&nbsp;Leigh J. Ryan ,&nbsp;Rana Zia Ur Rehman ,&nbsp;Emily Dignan ,&nbsp;Abbie Thompson ,&nbsp;Silvia Del Din ,&nbsp;Brook Galna ,&nbsp;Alan J Thomas ,&nbsp;Lynn Rochester ,&nbsp;Lisa Alcock","doi":"10.1016/j.gaitpost.2025.02.011","DOIUrl":"10.1016/j.gaitpost.2025.02.011","url":null,"abstract":"<div><h3>Background</h3><div>Turning manoeuvres are an essential component of mobility and are vital for effective real-world navigation. Turning is more challenging than straight-line walking, involving complex cognitive functions to execute multi-segment co-ordination. Therefore, people with cognitive impairment (PwCI) may be more susceptible to impaired turning performance. Inertial measurement units (IMUs) can be used to quantify turning performance; however, IMU-based algorithms have not yet been validated for PwCI, or across dementia disease subtypes.</div></div><div><h3>Research question</h3><div>Is a custom-built algorithm for accurately detecting turn start and end valid for use in PwCI and in different dementia disease subtypes?</div></div><div><h3>Methods</h3><div>Sixty-six PwCI due to Alzheimer’s disease, Lewy body disease and vascular dementia, along with 23 cognitively healthy older adults (controls) were included. Participants wore an IMU on their lower back while completing six 10-m intermittent walks, segmented by 180° turns. A 2D colour video camera was used as the reference system. Videos were reviewed by two independent blinded raters annotating turn start and end. Agreement (intra-class correlation (ICC (2,1)), Spearman’s rho and Limits of agreement) and error (Root mean square error; RMSE and bias) between the raters (rater 1 vs. 2) and the algorithm (rater vs. algorithm) were evaluated.</div></div><div><h3>Results</h3><div>There was excellent agreement (rater-rater and rater-algorithm) for detecting turn start and end for PwCI and across dementia disease subtypes (rho = 1.00, ICC = 1.00). The error between raters was lower (RMSE &lt; 0.72 s, bias &lt; 0.41 s) than the error between raters and algorithm (RMSE &lt; 1.29 s, bias &lt; 1.4 s). Error was lowest for controls (RMSE &lt; 0.94 s), followed by AD (RMSE &lt; 1.21 s) and LBD (RMSE &lt; 1.29 s).</div></div><div><h3>Significance</h3><div>Key findings suggest that this algorithm can detect turn start and end using an IMU in PwCI in agreement with a reference system (video ratings). Future research should consider the clinical application of turning assessment in PwCI, such as its ability to differentiate dementia disease subtypes to support accurate diagnosis.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"118 ","pages":"Pages 141-147"},"PeriodicalIF":2.2,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143428866","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":"Influence of curve location and type of adolescent idiopathic scoliosis on static and dynamic plantar pressure","authors":"Dongmei Ai ,&nbsp;Wei Jin ,&nbsp;Jiyuan Li ,&nbsp;Biyun Xu ,&nbsp;Zheng Wang ,&nbsp;Zaixing Liu ,&nbsp;Ke Hu ,&nbsp;Xiaofeng Han ,&nbsp;Xiaojun Ye ,&nbsp;Rong Xu","doi":"10.1016/j.gaitpost.2025.02.014","DOIUrl":"10.1016/j.gaitpost.2025.02.014","url":null,"abstract":"<div><h3>Objective</h3><div>This study aimed to investigate the characteristics of various plantar pressure parameters of patients with different curve locations (thoracic/lumbar) and types (single/double) of adolescent idiopathic scoliosis (AIS).</div></div><div><h3>Methods</h3><div>Seventy-eight moderate AIS patients were included from Nanjing Drum Tower hospital, who were then classified into 4 groups by curve location and type, single thoracic scoliosis (S-T, n = 20), single lumbar scoliosis (S-L, n = 16), double curves with major curve at thoracic region (D-T, n = 22), double curves with major curve at lumbar region (D-L, n = 20). Another 22 healthy subjects were included as the control group. Multiple static and dynamic features, such as medial-lateral (M-L) area ratio and loading pattern were compared across groups.</div></div><div><h3>Results</h3><div>For static plantar pressure, on the major curve side, the medial-lateral (M-L) area ratio was significantly different among five groups on both feet (P &lt; 0.01). The ratio of S-T group was significantly lower than lumbar scoliosis groups on major curve side (P &lt; 0.01). In midfoot, ratios of thoracic scoliosis groups were significantly lower than S-L group P &lt; 0.01). On the compensatory side, D-L group had markedly lower ratio than thoracic groups in M-L area ratio and midfoot M-L area ratio (P &lt; 0.01). For dynamic plantar pressure, the maximum pressure of medial rearfoot of thoracic scoliosis was significantly lower than lumbar scoliosis and control group on major curve side(P &lt; 0.01). Meanwhile, the lateral rearfoot of thoracic had greater pressure than lumbar scoliosis groups (P &lt; 0.01). The load distribution of metatarsal head (MH) had marked differences among groups on the compensated side, especially at MH1, MH4 and MH5 P &lt; 0.01). Moreover, the loads of thoracic scoliosis were significantly larger than lumbar scoliosis at MH5 (P &lt; 0.01).</div></div><div><h3>Conclusion</h3><div>In moderate AIS patients, scoliosis curve location significantly affected static and dynamic plantar pressure while single or double curves had limited impact.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"119 ","pages":"Pages 39-47"},"PeriodicalIF":2.2,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143508009","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}