Journal of Hand Therapy最新文献

{"title":"Reliability and validity of using smartphone sensor and photography to measure hand and upper extremity joint range of motion: A systematic review.","authors":"Erfan Shafiee, Sohrob Milani Zadeh, Joy C MacDermid, G Daniel Langohr, James Johnson, Steve Lu","doi":"10.1016/j.jht.2025.04.018","DOIUrl":"https://doi.org/10.1016/j.jht.2025.04.018","url":null,"abstract":"<p><strong>Background: </strong>Accurate Range of Motion measurement is vital for clinical decision-making. Traditional goniometers are reliable and valid tools but face challenges. Smartphones, with advanced technologies, are emerging as promising tools, necessitating validation for clinical integration.</p><p><strong>Purpose: </strong>The study aim is to appraise and synthesize the available evidence on the reliability and validity of smartphone sensors and photography in assessing the ROM of hand and upper extremity joints.</p><p><strong>Study design: </strong>Systematic review.</p><p><strong>Methods: </strong>We searched the studies in which \"smartphone sensor\" or \"smartphone photography\" was employed as the method of upper limb ROM measurement from January 2001 to January 2023 to find relevant studies. We compared the studied methods to conventional goniometer as the gold standard and validated ROM measurement techniques. Two independent reviewers (SM and ES) assessed the methodological quality of reliability and validity of both category of studies using the Quality Appraisal Tool for studies of diagnostic Reliability (QAREL) and the Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2) tools, respectively. Qualitative synthesis was the preferred method of summarizing and presenting the results.</p><p><strong>Results: </strong>A total of 31 studies were included in this study. The sample size across studies ranged from 10 to 171, and the mean age was 41 years old. Eleven out of 12 studies included in the photography category stated the good to excellent reliability or validity with respect to the goniometric measurements. Eight studies in the smartphone sensor category reported excellent reliability or validity (47%), seven studies stated good level of reliability or validity (41%), and two studies reported average or moderate level of reliability (12%). The quality assessment using the QAREL assessment tool was high in 11 studies (35%), moderate in 8 studies (26%) or low in 12 studies (39%).</p><p><strong>Conclusions: </strong>This review provides clinicians and researchers with evidence to support using smartphone photography and sensor applications as valid and reliable methods for ROM measurements.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144531181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development and clinical validation of an orientation-sensor-integrated assistive device for drinking task retraining in stroke rehabilitation.","authors":"Preeta Sharan, Anup M Upadhyaya, Rajagopalan Vasanthan, Rathipriya Mohanaselvam","doi":"10.1016/j.jht.2025.05.001","DOIUrl":"https://doi.org/10.1016/j.jht.2025.05.001","url":null,"abstract":"<p><strong>Background: </strong>Stroke leads to functional impairment, with 40%-80% of survivors experiencing incomplete upper extremity recovery, which impacts daily activities such as drinking. Key challenges include improper glass orientation and frequent spillage. However, very few assistive devices objectively measure glass orientation during real-time drinking task training.</p><p><strong>Purpose: </strong>To develop and test a device to identify the orientation of drinking glass during real-world task performance.</p><p><strong>Study design: </strong>An instrument clinical validation study.</p><p><strong>Methods: </strong>This study was conducted in three phases. Phase 1: A tilt sensor device was developed to monitor glass orientation. Phase 2: Reliability was assessed under both static and dynamic conditions. Static testing compared device readings with goniometric angle measurements. Dynamic testing involved 84 healthy adults matching predefined tilt angles. Participants included 54 males and 30 females. Phase 3: Validity was assessed using Kinovea-based video angle analysis. The study involved 76 stroke survivors (63 males, 13 females). Average chronicity was 29 months, with varied resting pronation angles.</p><p><strong>Results: </strong>The stand-alone tilt sensor device attachable to base of drinking glasses demonstrated excellent reliability (static condition: Pearson's correlation coefficient r = 0.99; dynamic condition: intraclass correlation = 0.97). Concurrent validity testing showed a strong positive correlation between the device-measured tilt angles and those analyzed using Kinovea software, with a mean value of 0.86, and a 95% confidence interval ranging from 0.83-0.89.</p><p><strong>Conclusions: </strong>The tilt sensor device demonstrates superior reliability and validity, with adaptability to various drinking glasses. Its real-time, corrective graded feedback supports motor learning and offers potential for monitoring recovery progress and guiding treatment planning in stroke populations.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144512828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 education, diacutaneous fibrolysis, and self-mobilization on sleep quality in patients with carpal tunnel syndrome waiting for surgery: A randomized controlled trial.","authors":"Mar Hernández-Secorún, Hugo Abenia-Benedí, María Orosia Lucha-López, María Durán-Serrano, Javier Sami Hamam-Alcober, John Krauss, César Hidalgo-García","doi":"10.1016/j.jht.2025.04.022","DOIUrl":"https://doi.org/10.1016/j.jht.2025.04.022","url":null,"abstract":"<p><strong>Background: </strong>Carpal tunnel syndrome (CTS) patients experience a wide range of sleep complaints. However, little evidence exists on how conservative treatment can improve sleep quality in these patients.</p><p><strong>Purpose: </strong>To determine the effectiveness of a multimodal physiotherapy approach based on sleep symptoms and quality in patients suffering from CTS included in a surgery waiting list.</p><p><strong>Study design: </strong>A randomized controlled trial.</p><p><strong>Methods: </strong>CTS patients included in surgical waiting list of Spanish Public Health System were recruited. Patients were randomized into an education, diacutaneous fibrolysis, and self-mobilization treatment over 3 weeks (n = 20) or a control group (n = 22). Nocturnal symptoms, Medical Outcome Study Sleep Scale, Boston Carpal Tunnel Questionnaire, and sensitivity of the hand were assessed after treatment, at 3- and 6-months follow-up. A general linear model of repeated measures was performed.</p><p><strong>Results: </strong>Nocturnal symptoms (p < 0.1; d = 1.0-1.5) and Boston Carpal Tunnel Questionnaire (p = 0.01; d = 1.0-1.1) were improved in favor of intervention group at each follow-up. Also, sensitivity of the first three fingers showed better results for intervention group at 3- (p = 0.021; d = 0.5) and 6-months (p = 0.036; d = 0.8) follow-up. Five of the eight items in the Medical Outcome Study Sleep Scale reported significant differences at 6-month against the control group (p < 0.1). There was a significant increase in the amount of sleep in the intervention group (p = 0.006; d = 0.7). Finally, physical activity and splint influenced the results of nocturnal symptoms and awaken short of breath and headache.</p><p><strong>Conclusions: </strong>Education, diacutaneous fibrolysis, and self-mobilization may improve night-time symptoms and sleep quality in CTS patients awaiting surgery. Patients included were mainly severe, had associated comorbidities, and under-represented patients in conservative treatment studies.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144512829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The MacHAND performance assessment (MPA): Development and psychometric testing of the short English version (MPA-S) for the traumatic hand injury population.","authors":"Zoë Edger-Lacoursière, Valérie Calva, Noémie Germain, Ingrid Malo Leclerc, Elisabeth Marois-Pagé, Geneviève Schneider, Danielle Shashoua, Chloé Tremblay, Ariane Vaillancourt, Tara Packham, Alia Sajjad, José A Correa, Sara Ahmed, Bernadette Nedelec","doi":"10.1016/j.jht.2025.04.008","DOIUrl":"https://doi.org/10.1016/j.jht.2025.04.008","url":null,"abstract":"<p><strong>Background: </strong>Hand injuries are the most common work-related injuries in Canada, causing significant functional limitations, occupational performance issues, and delaying return to work. Standardized hand function measures are essential for guiding interventions, clinical decisions, and cost-effective care. However, few assessments have been developed for traumatic hand injuries, with even fewer being performance-based outcome (PerfOs) assessments. The MacHAND performance assessment (MPA) is a PerfO developed to evaluate hand function in the traumatic hand injury population.</p><p><strong>Purpose: </strong>To revise the MPA instructions and scoring manual (MPA 2.0), produce a shortened version (MPA-S), and evaluate its psychometric properties in adults with traumatic hand injuries.</p><p><strong>Study design: </strong>Mixed method.</p><p><strong>Methods: </strong>The original MPA instruction's and scoring manual was revised to ensure language consistency, update pictures, and provide identical 3D-printed versions where appropriate (MPA 2.0). To produce the MPA-S, a combined statistical and Delphi approach with rehabilitation experts was used. An existing dataset from the original MPA was then used to determine MPA-S internal consistency, test-retest, and inter-rater reliability for the traumatic hand injury population and agreement with the MPA. Evidence-based dissemination strategies were used to promote clinical and research adoption.</p><p><strong>Results: </strong>For the MPA-S, 10 items were retained for dominant and eight items for nondominant hand testing. The MPA-S showed good internal consistency (Cronbach's alpha and 95% CI: dominant hand: 0.85 [0.78, 0.90], nondominant hand: 0.88 [0.79, 0.92]), excellent test-retest reliability (r = 0.97, 95% CI [0.85, 1]), and inter-rater reliability (ICC 0.98, 95% CI [0.97, 0.99]), and the mixed-effects limits of agreement plots show good agreement with the MPA.</p><p><strong>Conclusions: </strong>The MPA-S is one of the quickest task-based PerfOs to administer, uses many 3D-printed components, and everyday objects, making it highly accessible and affordable. We believe the MPA 2.0, the creation of the MPA-S, and targeted dissemination strategies will increase clinical and research uptake.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144509495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Does acute edema after open reduction and internal fixation of distal radius fractures correlate with 3- and 12-month patient-reported outcomes? A retrospective series.","authors":"Huijeong Kim, Jae Kwang Kim, Young Ho Shin","doi":"10.1016/j.jht.2025.05.012","DOIUrl":"https://doi.org/10.1016/j.jht.2025.05.012","url":null,"abstract":"<p><strong>Background: </strong>Edema following a distal radius fracture may affect clinical outcomes.</p><p><strong>Purpose: </strong>This study aimed to determine if there is a relationship between edema before open reduction and internal fixation (ORIF) for distal radius fracture (DRF) and pain visual analog scale (VAS), Disabilities of the Arm, Shoulder and Hand (DASH), and Patient-Rated Wrist and Hand Evaluation (PRWHE) scores obtained at 3- and 12-month after ORIF.</p><p><strong>Study design: </strong>Retrospective cross-sectional series.</p><p><strong>Methods: </strong>Record review included adult patients who underwent ORIF within 2weeks of DRF and who had linear wrist and hand edema measurements taken before ORIF, 2days and 2weeks after ORIF, and instruction in elevation and finger exercises. Measurement of edema involved two methods---wrist circumference and figure-of-eight. Pain VAS, DASH, and PRWHE scores were obtained 3- and 12-month after ORIF. Reliability of edema measurements was done for 20 patients and analyzed using intraclass correlation coefficients. Time-dependent changes in edema were evaluated using paired t tests. The relationship between edema before ORIF and 3- and 12-month patient-reported outcomes (PROs) was analyzed using multivariable linear regression. Bivariate linear regression analysis was performed to evaluate the relationship between wrist circumference of before and after ORIF and 12-month PROs in quartiles of patients with the least and most wrist circumference before open reduction and internal fixation.</p><p><strong>Results: </strong>A total of 121 patient records were reviewed, with the patient mean age being 63.7±14.6years. Reliability of edema measures was excellent, with intraclass correlation coefficient for wrist circumference (0.892) and figure-of-eight (0.900). Both methods for measuring edema significantly increased between before ORIF and 2days after ORIF and significantly decreased 2weeks after ORIF. Multivariate analysis showed no statistically significant association between edema measured before ORIF and 3- and 12-month PROs. Bivariate regression in patients with the least and most wrist circumference before ORIF showed that regression coefficients for wrist circumference and 12-month PROs were decreased from before ORIF to 2-weeks after ORIF: pain VAS- 0.016 to -0.035, DASH- 0.480 to 0.374, and PRWHE 0.382 to 0.044.</p><p><strong>Conclusions: </strong>Edema measured before ORIF in patients with DRF decreased within 2weeks to near-preoperative values. It is unknown whether this was due to elevation and movement instruction or natural recovery. Edema measurements before ORIF were not related to at 3- and 12-month pain VAS, DASH, and PRWHE scores.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144499392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"PullExo: An orthosis-based mobile hand exoskeleton with on-device visual biofeedback.","authors":"İsmail Emir Yassı, Eren Ekeer, Ahmet Durmaz, Selim Mahmut Günay, Şüheda Özçakır, Şehime Gülsün Temel","doi":"10.1016/j.jht.2025.05.002","DOIUrl":"10.1016/j.jht.2025.05.002","url":null,"abstract":"<p><strong>Background: </strong>Grasping function is severely compromised in individuals with spinal cord injury, significantly limiting their independence in activities of daily living. While robotic hand exoskeletons offer promising solutions, current systems often separate control and motor units from the wearable body, resulting in additional components to be worn by the patient. Furthermore, the integration of an immediately accessible user interface, capable of providing biofeedback, has not been fully explored.</p><p><strong>Purpose: </strong>To develop and evaluate a standalone mobile hand exoskeleton that assists the user when grasping objects and provides real-time visual biofeedback during operation, aiming to improve patient autonomy and catalyze rehabilitation.</p><p><strong>Study design: </strong>A proof-of-concept prototype was designed, developed, and tested in a preliminary study.</p><p><strong>Methods: </strong>A prototype was built using an upcycled postconsumer textile waste, repurposing a wrist-hand-thumb orthosis to house the actuation system, control unit, and a visual biofeedback screen directly on itself. Pilot studies were conducted on a spinal cord injury patient and a healthy subject. Fingertip forces were measured, and kinematics were explored using a motion capture system. Additionally, ergonomics and the prototype's effectiveness in assisting grasping across a range of daily life objects were evaluated.</p><p><strong>Results: </strong>The results indicate its potential to improve grasping function, enabling the patient to exert over three times their baseline fingertip force without relying on compensatory movements such as tenodesis. Weighing only 318 g, the system enabled independent donning in approximately 1.5 minutes and effectively assisted in grasping objects ranging from a pen to a 500-g water bottle.</p><p><strong>Conclusions: </strong>PullExo demonstrated potential as a lightweight, standalone assistive and rehabilitative system for improving grasping function and autonomy. Future studies with larger sample sizes are planned to confirm its overall efficacy and explore the clinical implications of integrated biofeedback.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144334494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Structural and clinical disease severity in thumb osteoarthritis: A pilot study integrating imaging analysis and pain mechanisms.","authors":"Lauren Straatman, Megan Hutter, Randa Mudathir, Assaf Kadar, David M Walton, Emily A Lalone","doi":"10.1016/j.jht.2025.04.014","DOIUrl":"10.1016/j.jht.2025.04.014","url":null,"abstract":"<p><strong>Background: </strong>We sought to explore pain mechanisms in thumb carpometacarpal osteoarthritis using imaging-based biomarkers and clinical pain evaluation techniques, and to identify potential pain phenotypes among patients with thumb carpometacarpal osteoarthritis that may be useful for designing more targeted research and intervention strategies.</p><p><strong>Study design: </strong>Pilot case-control study.</p><p><strong>Methods: </strong>Participants (n=9 healthy; n=9 thumb osteoarthritis) underwent static CT scans of the hand and wrist, accompanied by a calibration phantom with known densities. Participants completed patient-reported outcome measures targeting different pain mechanisms. Average subchondral volumetric bone mineral density was analyzed in the first metacarpal and third metacarpal at three depths (0-2.5, 2.5-5.0, and 5.0-7.5 mm), while the trapezium was studied at five depths (0-1.25, 1.25-2.5, 2.5-3.75, 3.75-5.0, and 5.0-6.25 mm). Joint contact area of first metacarpal and trapezium was averaged for all participants. All patient-reported outcome measures were analyzed separately using conceptualized thresholds to characterize pain mechanisms.</p><p><strong>Results: </strong>Post hoc power was low (26%). The thumb osteoarthritis cohort showed statistically significant lower bone density than the healthy cohort (p<0.05), save for the trapezium's top layer. Effect sizes ranged from 1.06-1.77, with the largest effect in the trapezium's third layer (d=1.77), favoring the healthy cohort. Nociceptive pain was the dominant pain phenotype, suggesting peripheral pain mechanisms in this sample.</p><p><strong>Conclusions: </strong>Despite limited generalizability due to small sample size, these preliminary findings suggest biological contributors---such as local bone density loss and nociceptive pain dominance---to clinical disease severity in thumb osteoarthritis.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144334495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 rotator cuff trigger points dry needling on the stability and function of the upper limb in people with shoulder pain: Randomized clinical trial study.","authors":"Samira Ghasemi, Leila Abbasi, Narges Meftahi, Mohammad Amiri","doi":"10.1016/j.jht.2025.04.005","DOIUrl":"10.1016/j.jht.2025.04.005","url":null,"abstract":"<p><strong>Background: </strong>Shoulder pain, a prevalent musculoskeletal disorder (lifetime prevalence: 6.7%-66.7%), is closely linked to rotator cuff dysfunction. While trigger points in these muscles are common in symptomatic individuals, their impact on shoulder stability and function remains poorly understood.</p><p><strong>Purpose: </strong>This randomized controlled trial examined whether dry needling of rotator cuff trigger points, compared with sham needling, improves pain, disability, shoulder stability, and functional outcomes in patients with chronic rotator cuff--related shoulder pain.</p><p><strong>Study design: </strong>Randomized controlled trial.</p><p><strong>Methods: </strong>In total, 44 patients aged 18-45years with shoulder pain randomly assigned to two groups. The first group received deep dry needling on trigger points, while the second group received sham dry needling. The treatment was performed over three sessions. Shoulder stability (Closed Kinetic Chain Upper Extremity Stability Test), pain (Visual Analog Scale), disability (Quick version of the Disabilities of the Arm, Shoulder, and Hand Questionnaire), grip strength, and strength of internal and external shoulder rotators were measured at the baseline, at the end of the last session, and 1week after the intervention.</p><p><strong>Results: </strong>Dry needling significantly improved shoulder stability (MD=0.11, 95% CI=0.06-0.16), grip strength (MD=12.4 kg), and pain (MD=-35.6, 95% CI=-41.2 to -30.0) compared with sham needling (p<0.05). All improvements exceeded minimal clinically important differences. At 1-week follow-up, all outcomes favored dry needling with large effect sizes (d=1.09-2.16), exceeding Minimal Clinically Important Differences for Quick version of the Disabilities of the Arm, Shoulder, and Hand Questionnaire (Δ=15.9) and Visual Analog Scale (Δ=9.9). Time-group interactions confirmed sustained improvements in the treatment group (p<0.001). Post-treatment improvements in shoulder stability (Closed Kinetic Chain Upper Extremity Stability Test) were consistent across sexes, with no significant sex-by-group interactions (p>0.05).</p><p><strong>Conclusions: </strong>Deep dry needling of rotator cuff trigger points significantly improves shoulder function, stability, pain, and disability in patients with chronic shoulder pain. Clinicians should consider integrating this intervention into rehabilitation protocols for rotator cuff--related disorders, as it demonstrates clinically meaningful outcomes surpassing minimal important differences.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144334496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Implementing a 3D dynamic arm support within the workplace of medical laboratory technicians: A nonrandomized feasibility trial.","authors":"Frédérique Dupuis, Philippe Meidinger, Anthony Lachance, François Desmeules, Jessika Tremblay, Jean Titley, Jason Bouffard, Alexandre Campeau-Lecours, Jean-Sébastien Roy","doi":"10.1016/j.jht.2025.04.003","DOIUrl":"https://doi.org/10.1016/j.jht.2025.04.003","url":null,"abstract":"<p><strong>Background: </strong>A three-dimensional dynamic arm support (3D-DAS) was designed in response to medical laboratory technicians' need for solutions to reduce the physical demands on the upper extremities during biomedical manipulations.</p><p><strong>Purpose: </strong>To assess the feasibility of implementing the 3D-DAS in medical laboratory technicians' workplaces, evaluate the potential for conducting a larger randomized controlled trial, and explore the effects of the 3D-DAS on clinical outcomes.</p><p><strong>Study design: </strong>Nonrandomized feasibility study.</p><p><strong>Methods: </strong>Two hospitals employing medical laboratory technicians were recruited and assigned to either the experimental group (n=15; using the 3D-DAS for biomedical manipulations over 6months) or the control group (n=15; no intervention). Feasibility was assessed by examining compliance, acceptability, satisfaction with the 3D-DAS, and unintended effects. Semistructured interviews were also conducted. Clinical outcomes included the prevalence of work-related upper extremity disorders, symptoms intensity, functional limitations, and presenteeism. All outcomes were assessed at baseline, 3 and 6months. Descriptive data were presented for feasibility metrics, and generalized estimating equations were used to compare clinical outcomes between groups.</p><p><strong>Results: </strong>Feasibility was deemed very limited, with compliance rates at 16% at 3months and 6% at 6months. Acceptability and satisfaction with the device were also notably low. Three participants reported two unintended effects: increased physical demand at the elbow due to external resistance and skin irritation on the forearm. The 3D-DAS showed no impact on the prevalence of work-related upper extremity disorders, symptoms, disability, or presenteeism. However, participants indicated that the 3D-DAS was helpful in specific work situations, such as performing elevation tasks or when experiencing shoulder pain.</p><p><strong>Conclusions: </strong>This study highlighted significant barriers to implementing a 3D-DAS in the workplace of medical laboratory technicians. The findings underscore the importance of clearly defining the specific context in which the device is most beneficial before pursuing a larger study.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144327694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development of a web-based application for initial hand evaluation and 3D scanning: A pilot feasibility and validity study.","authors":"Maryam Farzad, Joy MacDermid, Louis Ferreira, Ovidiu-Remus Tutunea-Fatan, Marjan Saeedi, Adam Gorski, Ajay Balaji, Steven Cuypers","doi":"10.1016/j.jht.2025.04.019","DOIUrl":"https://doi.org/10.1016/j.jht.2025.04.019","url":null,"abstract":"<p><strong>Background: </strong>The rapid evolution of digital health technologies has created new opportunities for remote evaluation and management of upper extremity conditions. However, few tools offer a comprehensive, validated, and user-friendly platform for remote hand assessment, including 3D scanning capabilities.</p><p><strong>Purpose: </strong>To develop and validate a novel web-based application (\"HAND SCANS\") for remote hand evaluation and 3D scanning and to assess its feasibility, accuracy, and user satisfaction among clinicians and patients.</p><p><strong>Study design: </strong>Prospective validation and feasibility study.</p><p><strong>Methods: </strong>A web-based application was designed to collect patient-reported outcomes and guide users through image capture for 3D hand scanning using smartphone cameras. The tool's ability to measure range of motion, sensory function, pain, and grip strength was compared with standard clinical instruments. The accuracy of 3D scans was validated against conventional photogrammetry. Patient and clinician feedback was gathered to evaluate feasibility and usability.</p><p><strong>Results: </strong>The application strongly agreed with clinical gold standards for measuring range of motion, sensory testing, and pain levels. 3D hand scans obtained using smartphones showed high dimensional accuracy compared to standard photogrammetry. Participants reported high satisfaction with the application, citing ease of use and potential for remote care. Areas for improvement included image quality and user interface.</p><p><strong>Conclusions: </strong>The HAND SCANS application is a valid and feasible tool for remote hand evaluation and 3D scanning. Its integration into telehealth models may expand access to specialized hand assessments, especially in underserved or remote settings. Further development is warranted to enhance image quality and user experience.</p>","PeriodicalId":54814,"journal":{"name":"Journal of Hand Therapy","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144327788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}