Gait & posture最新文献

{"title":"Ankle-hip joint trade-off in normal gait: Exploring the kinematic influence of the medial longitudinal arch of the foot","authors":"Hayato Kawaji ,&nbsp;Satoru Kojima","doi":"10.1016/j.gaitpost.2024.11.011","DOIUrl":"10.1016/j.gaitpost.2024.11.011","url":null,"abstract":"<div><h3>Background</h3><div>In human gait, leg progression into the swing phase involves two primary strategies: ankle plantar flexion and hip flexion. These strategies are believed to exhibit a trade-off relationship; however, it is unclear whether this relationship holds for normal gait and the role of the medial longitudinal arch (MLA) in shaping these strategies.</div></div><div><h3>Research questions</h3><div>Does a trade-off relationship exist between ankle plantar flexion and hip flexion strategies during normal gait in young healthy adults? Do the kinematics of MLA during gait influence the strategies during leg progression into the swing phase?</div></div><div><h3>Methods</h3><div>Data from 36 young healthy adults were analyzed. Gait speed and peak moment, angular impulse, peak power and joint work at ankle plantar flexion and hip flexion were assessed within the context of the normal gait task. The parameters were also assessed using ankle-to-hip joint ratios (ankle/hip indices). Kinematics of MLA, including peak MLA angle, amount of descent, and amount of elevation during gait, were also measured. To exclude the effect of gait speed, partial correlation coefficients were employed to explore the relationship between ankle and hip variables as well as the ratio of ankle/hip indices and MLA kinematics.</div></div><div><h3>Results</h3><div>A significant negative correlation between ankle plantar flexion work and hip flexion work was detected. Moreover, a positive correlation between the ankle plantar flexion work to hip flexion work ratio and MLA elevation was detected.</div></div><div><h3>Significance</h3><div>A trade-off relationship between ankle plantar flexion and hip flexion strategies during normal gait in young healthy adults was confirmed, suggesting that these parameters are fundamental to normal gait. Additionally, the MLA elevation during late stance may influence the establishment of ankle plantar flexion and hip flexion strategies. These findings enhance our understanding of gait mechanisms and highlight the role of MLA kinematics in shaping gait strategies.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"116 ","pages":"Pages 47-52"},"PeriodicalIF":2.2,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142748401","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":"In Vivo Assessment of Shoulder Stability in Dynamic Rehabilitation Exercises: A Scoping Review","authors":"Laura Ramírez-Pérez ,&nbsp;Graham K. Kerr ,&nbsp;Antonio I. Cuesta-Vargas","doi":"10.1016/j.gaitpost.2024.11.010","DOIUrl":"10.1016/j.gaitpost.2024.11.010","url":null,"abstract":"<div><h3>Background</h3><div>The shoulder complex, which has the highest prevalence of instability, is currently, the subject of considerable debate regarding the methodologies used to assess shoulder stability during dynamic exercises.</div></div><div><h3>Research question</h3><div>The primary aim is to summarize evidence on various methodologies used to evaluate shoulder stability during dynamic exercises.</div></div><div><h3>Methods</h3><div>This scoping review included cross-sectional studies focusing on various evaluation techniques to assess shoulder forces, kinetics, and stability during dynamic movements. In analyzing each study, the selected data included population profile, sample size, exercise type, and evaluation methodology used.</div></div><div><h3>Results</h3><div>Twenty-seven studies with a total of 1187 subjects were included. Among the studies, various dynamic exercises were evaluated, including throwing exercises, movements with dumbbells or elastic bands, push-ups, and functional tasks. Most evaluation techniques were combined, with eleven studies using surface electromyography; seven used dynamometers to obtain direct strength measurements; two used six-force axis sensors; one utilized force platforms; and one was focused on the loss of speed using linear velocity transducers. Furthermore, motion capture systems such as high-speed cameras were used in fourteen studies. In conclusion, surface electromyography and high-speed cameras are the primary techniques for measuring muscle activity and kinetic and kinematic data. However, they do not directly measure glenohumeral stability, meaning further research is needed to develop reliable methodologies for this purpose.</div></div><div><h3>Significance</h3><div>This study holds significant relevance in the field of shoulder instability and has clear clinical implications, as it establishes the primary tools for estimating glenohumeral stability, which could enable patient stratification and the design of optimal intervention programs based on these measurements.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"116 ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142722453","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":"Quality, kinematics, and self-reported comfort of gait during body weight support in young adults with gait impairments – A cross-sectional study","authors":"Morten Bøgelund Pedersen ,&nbsp;Morten Bilde Simonsen ,&nbsp;Per Aagaard ,&nbsp;Anders Holsgaard-Larsen","doi":"10.1016/j.gaitpost.2024.11.014","DOIUrl":"10.1016/j.gaitpost.2024.11.014","url":null,"abstract":"<div><h3>Background</h3><div>Body weight support (BWS) technologies offer effective gait training for individuals with neurological gait impairments. However, varying dynamic BWS levels may impact specific gait kinematics, potentially introducing maladaptive movement patterns.</div></div><div><h3>Aim</h3><div>To investigate the acute impact of different levels of dynamically modulated BWS during overground walking at a self-selected speed on gait quality, kinematic gait patterns, and self-reported gait comfort in young adults with gait impairments.</div></div><div><h3>Methods</h3><div>Three-dimensional gait analysis was conducted on 18 individuals with neurological gait impairments during overground walking with 0, 10, 20, 30, 40, and 50 % BWS using a novel robotic unloading device. Gait quality, expressed as Gait Deviation Index (GDI), lower limb joint kinematics, and spatiotemporal parameters were obtained for one representative stride per participant at each BWS level. Gait comfort was reported on a visual analogue scale (VAS) for each unload level. Time-continuous data were analysed using statistical parametric mapping; discrete data were compared between BWS levels using paired t-tests.</div></div><div><h3>Results</h3><div>Compared with habitual gait (0 % BWS), GDI was unaltered with increasing BWS. The relative shapes of kinematic trajectories were largely unaffected, with minor reductions in amplitude and a limited impact on temporal effects with increasing BWS. Most spatiotemporal parameters were unaltered by changes in BWS, although negative impacts on walking speed, cadence, and step length emerged at 40 % BWS, with a more pronounced impact at 50 % BWS. Gait comfort improved at 20–30 % BWS by up to 20 mm on a 0–100 mm VAS.</div></div><div><h3>Conclusion</h3><div>Participants maintained habitual (0 % BWS) biomechanical gait patterns with 10–30 % BWS, experiencing increased gait comfort at 20–30 % BWS. Dynamically modulated BWS can be applied in task-specific gait training to offer vertical body support and increased comfort with little to no impact on biomechanical movement patterns.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"116 ","pages":"Pages 1-15"},"PeriodicalIF":2.2,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142722462","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":"The role of waddling gait in balance control during pregnancy","authors":"Zahra Abedzadehzavareh ,&nbsp;Robert D. Catena","doi":"10.1016/j.gaitpost.2024.11.015","DOIUrl":"10.1016/j.gaitpost.2024.11.015","url":null,"abstract":"<div><h3>Background</h3><div>Pregnant people experience many physical changes which might affect their walking pattern. Waddling gait is a common gait pattern pregnant individuals adopt. It is unknown whether waddling gait is a sign of poor balance or a protective mechanism against loss of balance, so the aim of this study was to understand why some pregnant individuals adopt this gait pattern.</div></div><div><h3>Methods</h3><div>We assessed twenty-three pregnant individuals longitudinally in 4-week intervals between 18 and 34 weeks of gestation. Participants completed a quiet standing balance trial and a walking trial. We measured spatiotemporal variables and body center of mass motion, from which we derived measures of balance and gait energetics. Forward-step multiple linear regression analyses were used to explore the correlation between step width (as a measure of waddling) and the other variables.</div></div><div><h3>Results</h3><div>We found a positive correlation between change in step width average and change in lateral motion of the center of mass during walking (R²=0.624, P&lt;0.001) and change in step width standard deviation and change in minimum center of gravity distance to the lateral border (R²=0.339, p=0.004), suggesting wider steps help recapture balance during pregnancy. Surprisingly, no significant relationship was found between change in step width and changes in energy recovery (p=0.341) or mechanical work (p=0.482), indicating that taking wider steps is not inefficient. A negative correlation between change in step width and change in standing anteroposterior center of mass motion (R²=0.315, p=0.005) suggests better balance control among people that adopt a waddling gait pattern.</div></div><div><h3>Significance</h3><div>This study suggests that waddling gait is a protective mechanism during pregnancy. Clinicians and prosthetists can use this insight to promote step width during walking among pregnant individuals to increase their safety.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"116 ","pages":"Pages 16-21"},"PeriodicalIF":2.2,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142723043","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":"Biomechanical predictors of primary ACL injury: A scoping review of prospective studies","authors":"Rachel K. Straub,&nbsp;Christopher M. Powers","doi":"10.1016/j.gaitpost.2024.11.013","DOIUrl":"10.1016/j.gaitpost.2024.11.013","url":null,"abstract":"<div><h3>Background</h3><div>ACL injuries commonly occur in non-contact situations, particularly in sports involving jumping, landing, and cutting. Numerous biomechanical predictors for non-contact ACL injury have been proposed, yet existing reviews on biomechanical predictors vary in scope and findings.</div></div><div><h3>Research question</h3><div>This review aims to identify biomechanical predictors of primary ACL injury using a scoping review.</div></div><div><h3>Methods</h3><div>PubMed and EBSCO host (CINAHL Complete, MEDLINE Complete, SPORTDiscus) were searched from inception to March 1, 2023. Prospective studies that (1) examined discrete kinematic/kinetic variables during whole body movements (e.g., landing from a jump, cutting, and single-leg squatting) using 3D lab-based motion analysis, 2D video, or observational (non-instrumented) methods; and (2) produced a prediction model for the association between biomechanical variables (independent variable) and primary ACL injury (dependent variable) were included.</div></div><div><h3>Results</h3><div>11 studies were included. Jump-landing tasks were the most studied (9 studies), followed by change in direction (2 studies) and single-leg squatting (2 studies). Significant biomechanical predictors for non-contact ACL injury were reported in 7 studies during jump-landing/change in directions tasks. Kinematic predictors included decreased flexion (hip and knee) and increased knee valgus/internal rotation. Kinetic predictors included increased vertical ground reaction forces (landing/takeoff) and increased knee moments (valgus and knee extensor). Limited/conflicting evidence was found for all predictors. None of studies that employed 2D or observational methods (n=3) were able to identify predictors of ACL injury.</div></div><div><h3>Significance</h3><div>Biomechanical predictors of primary ACL injury were identified in 7 of 11 prospective studies included within this scoping review. The majority of the reported risk factors were identified using the drop jump, which was the most studied task (8 of 11 studies). The lack of standardization in biomechanical testing across studies limits the determination of specific predictive variables for primary ACL injury.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"116 ","pages":"Pages 22-29"},"PeriodicalIF":2.2,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142722452","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":"Valgus deformity of the distal tibia in children and adolescents with idiopathic flatfoot: Can it be predicted using 3D movement analysis?","authors":"Chakravarthy Ugandhar Dussa ,&nbsp;Nadine Dostal ,&nbsp;Harald Böhm","doi":"10.1016/j.gaitpost.2024.11.012","DOIUrl":"10.1016/j.gaitpost.2024.11.012","url":null,"abstract":"<div><h3>Background</h3><div>Distal tibial valgus deformity, though common in various medical conditions, has not been extensively studied in idiopathic flatfoot. It clinically presents as hindfoot valgus, mimicking flatfoot deformity, and requires X-rays for detection. Severity is quantified using resting calcaneal angle and standing tibio-calcaneal angles (STCA), but their prognostic value for identifying distal tibial valgus deformity remains unclear. The use of routine invasive radiographs in idiopathic flatfoot is controversial as instrumented non-invasive gait analysis gains popularity for investigative purposes.</div></div><div><h3>Research question</h3><div>This study aimed to determine the prevalence of distal tibial valgus deformity in children and adolescents with idiopathic flatfoot using radiography and to identify parameters assessed during standing or walking that predict this deformity.</div></div><div><h3>Methods</h3><div>A retrospective study included outpatients aged 7–17 years with idiopathic flatfeet. Participants underwent clinical examination, foot and ankle X-rays, and instrumented 3-dimensional gait analysis. A lateral distal tibia angle (LDTA) &lt; 86° indicated valgus deformity, with LDTA 86–92° considered normal. Two groups were analysed: ankle valgus (LDTA &lt; 86°) and normal ankle (86–92°). STCA, ankle tilt, intermalleolar height difference (IMHD), and eight kinematic parameters were correlated with LDTA.</div></div><div><h3>Results</h3><div>The study included 136 patients (mean age 11.5 years, SD=2.2). Sixty-three patients had ankle valgus (LDTA 83.8°, SD=1.7°), and 73 had normal ankles (LDTA 88.8°, SD=1.3°), showing a significant difference between groups (p &lt; 0.001). STCA during standing was the best predictor, though it explained only 9 % of variance, limiting robust prediction.</div></div><div><h3>Significance</h3><div>The prevalence of distal tibial valgus deformity was 42 % in idiopathic flatfoot cases, highlighting the necessity for routine ankle radiographs due to the inability to clinically suspect this deformity. Further studies should explore the biomechanical effects and their clinical implications for management.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"115 ","pages":"Pages 109-115"},"PeriodicalIF":2.2,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142696144","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":"The impact of various subtypes of temporomandibular disorders on body balance – preliminary study","authors":"Aleksandra Dolina ,&nbsp;Michał Baszczowski ,&nbsp;Magdalena Zawadka ,&nbsp;Lena Sobiech ,&nbsp;Jacek Szkutnik ,&nbsp;Piotr Gawda","doi":"10.1016/j.gaitpost.2024.11.009","DOIUrl":"10.1016/j.gaitpost.2024.11.009","url":null,"abstract":"<div><h3>Background</h3><div>Balance disorders are considered a serious diagnostic challenge, with many potential causes. The influence of temporomandibular disorders (TMD) on postural balance has numerous anatomical, biomechanical, physiological and functional argumentation, however, cohort studies on this subject do not give unambiguous results. It is suggested that only some forms of TMD may affect the body balance. Research question: Will body balance parameters differ in patients with particular subtypes of temporomandibular disorders and without temporomandibular disorders? Methods: cohort study. A total of 25 participants with TMD (9 with myofascial subtype; 9 with disc disorders subtype; 7 with mixed diagnosis) and 11 participants without TMD (control group) diagnosed by Research Diagnostic Criteria for TMD were assessed for body balance changes using force platform FreeMED MAXI ground reaction force platform (Sensor Medica; Guidonia Montecelio, Roma, Italia) under different mandibular conditions (rest position, clenching, clenching on cotton rolls). For the statistical analysis, the postural sway area of the Center of Pressure (COP) and its velocity were used. Results: The greatest differences in the sway area of the COP and its velocity were noticed when comparing the control group and the group with myofascial disorders. Statistically significant differences regarding the sways of COP in different mandible conditions were also shown by intragroup analyses in the group with myofascial and mixed forms. Both the results of the intra- and intra-group analyses shows that the involvement of the muscular factor may determine the occurrence of deviations in the body balance. Significance: The results of the project may extend the diagnosis of patients with balance disorders to the diagnosis of the masticatory system to accurately determine the source of the patient's problem.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"116 ","pages":"Pages 40-46"},"PeriodicalIF":2.2,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142722451","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":"Single-leg horizontal jump is more suitable for assessing lower limb function compared to single-leg vertical jump in patellofemoral pain patients","authors":"Hang Pan ,&nbsp;Shengxing Fu ,&nbsp;Yulin Zhou ,&nbsp;Ting Long ,&nbsp;Hanjun Li ,&nbsp;Huijuan Shi","doi":"10.1016/j.gaitpost.2024.11.008","DOIUrl":"10.1016/j.gaitpost.2024.11.008","url":null,"abstract":"<div><h3>Background</h3><div>The single-leg vertical jump (SLVJ) and single-leg horizontal jump (SLHJ) are commonly used assessments for individuals with lower limb injuries. Despite previous studies comparing these tasks across various individuals, their comparative effectiveness in evaluating lower limb function in individuals with patellofemoral pain (PFP) and any potential sex differences in these functional tests remain uncertain.</div></div><div><h3>Research question</h3><div>The purpose of this study was to determine which jump task is more suitable for functional assessment in PFP patients by comparing the differences in jump performance and biomechanical variables between PFP patients and healthy individuals during the SLVJ and SLHJ. Furthermore, the study aimed to determine whether the more suitable functional assessment for male and female PFP patients is consistent.</div></div><div><h3>Methods</h3><div>A total of 24 PFP patients (15 males, 9 females) and 17 healthy individuals (9 males, 8 females) were recruited. Three-dimensional kinematic and kinetic data were collected during the propulsion and landing phases of the SLVJ and SLHJ. Two-way ANOVA was used to compare each dependent variable between groups (PFP vs. healthy controls) and sex (male vs. female).</div></div><div><h3>Results</h3><div>Both male and female PFP groups presented a reduced jump distance than the control group in the SLHJ <em>(p</em> = 0.002), but no significant difference was detected in the SLVJ. Both male and female PFP groups displayed increased hip work (<em>p</em> = 0.005) and contribution (<em>p</em> = 0.009) and reduced knee work contribution (<em>p</em> = 0.034) during the propulsion phase of the SLHJ compared to the control group. Moreover, female participants of PFP and control groups performed shorter jump distances (<em>p</em> ≤ 0.001) and had less knee work (<em>p</em> &lt; 0.001) during the propulsion phase of vertical and horizontal jumps than males.</div></div><div><h3>Conclusion</h3><div>Single-leg horizontal jump is more suitable for assessing lower limb function in PFP patients, characterized by reduced knee work contribution impacting jump performance, and this applies to both male and female PFP patients.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"115 ","pages":"Pages 94-101"},"PeriodicalIF":2.2,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142683829","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":"Assessing upper limb functional use in daily life using accelerometry: A systematic review","authors":"Nieke Vets ,&nbsp;Kaat Verbeelen ,&nbsp;Jill Emmerzaal ,&nbsp;Nele Devoogdt ,&nbsp;Ann Smeets ,&nbsp;Dieter Van Assche ,&nbsp;Liesbet De Baets ,&nbsp;An De Groef","doi":"10.1016/j.gaitpost.2024.11.003","DOIUrl":"10.1016/j.gaitpost.2024.11.003","url":null,"abstract":"<div><h3>Background</h3><div>Upper limb dysfunctions are common and disabling in daily life. Accelerometer data are commonly used to describe upper limb use. However, different data analyzing methods are used to describe or classify upper limb use.</div></div><div><h3>Research question</h3><div>The purpose of this systematic review was to present an overview of the assessment and data-analysis methods using accelerometery, and to specify their accuracy and validity assessing upper limb functional use.</div></div><div><h3>Methods</h3><div>A systematic literature search was performed consulting the following databases: Pubmed, Embase, Scopus, Web of Science, Sport Discus, Clinical Trials, and International Clinical Trials Registry Platform. The applied search terms were upper limb, activity tracking, and functional activity. Studies were included when they reported the accuracy and/or validity results of accelerometer-based methods to describe upper limb functional use.</div></div><div><h3>Results and significance</h3><div>13 studies were included describing counts threshold analyzing methods, gross movement scores and machine learning models. Seven studies retrieved a medium score, and six received a low-quality score on the quality assessment scale. The classification accuracy of the machine learning models ranged from 68 % to 97 % for intrasubject accuracy and from 59 % to 92 % for intersubject accuracy, compared to video annotated data. Besides good accuracy scores, the machine learning models also retrieved high validity results. High accuracy results were furthermore retrieved for the counts threshold method. Based on the evaluated studies, objectively assessing upper limb functional use can be done accurately and valid using accelerometry and can be an added value to assess upper limb dysfunctions in daily clinical practice.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"115 ","pages":"Pages 69-81"},"PeriodicalIF":2.2,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645275","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":"An augmented reality dual-task intervention improves postural stability in individuals with Parkinson’s disease","authors":"Anson B. Rosenfeldt ,&nbsp;Matthew C. Streicher ,&nbsp;Ryan D. Kaya ,&nbsp;Amanda L. Penko ,&nbsp;Eric M. Zimmerman ,&nbsp;James Y. Liao ,&nbsp;Benjamin L. Walter ,&nbsp;Jay L. Alberts","doi":"10.1016/j.gaitpost.2024.11.007","DOIUrl":"10.1016/j.gaitpost.2024.11.007","url":null,"abstract":"<div><h3>Background</h3><div>The Dual-task Augmented Reality Treatment (DART) trial recently established that dual-task training (DTT) delivered by a physical therapist or the augmented reality DART platform was effective in improving spatiotemporal gait parameters under single- and dual-task conditions in individuals with Parkinson’s disease (PD). Data regarding postural stability were not reported in the primary outcome manuscript.</div></div><div><h3>Objective</h3><div>The aim of this secondary analysis was to compare the effects of a Traditional DTT intervention delivered by a physical therapist and DTT delivered by the DART platform on postural stability, functional mobility, and turning in individuals with PD. It was hypothesized that both groups would experience similar improvements.</div></div><div><h3>Methods</h3><div>Forty-seven individuals with PD were randomized to an 8-week (16 sessions) Traditional DTT or DART intervention. The limits of stability test and the instrumented Timed Up and Go (TUG) under single- and dual-task conditions were gathered at Baseline, End of Treatment (EOT), and 8-weeks after EOT.</div></div><div><h3>Results</h3><div>At EOT, the Traditional DTT and DART groups experienced a 9 % and 14 % improvement in maximal excursion area and a 7 % and 12 % improvement in total TUG time under dual-task conditions, respectively (p&lt;0.05). Turn duration and average and peak turn velocity during the TUG improved for both groups under single- and dual-task conditions at EOT. Improvements in turn duration (dual-task) and average turn velocity (single- and dual-task) persisted 8-weeks after intervention cessation.</div></div><div><h3>Conclusion</h3><div>Improvements in postural stability, functional mobility, and turning under single- and dual-task conditions following traditional and DART DTT in individuals with PD indicate that cognitive-motor training can be used to effectively treat postural instability in this population. Improvements in the DART group were similar to traditional DTT, supporting our previous data demontrating that DART is an effective digital therapeutic to improve gait and postural instability in individuals with PD.</div></div>","PeriodicalId":12496,"journal":{"name":"Gait & posture","volume":"115 ","pages":"Pages 102-108"},"PeriodicalIF":2.2,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142690170","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}