{"title":"Efficacy of a new flossing intervention using a floss band for severe adhesion after digit tendon repair.","authors":"Shuichi Sasaki, Koji Sukegawa, Kenji Onuma, Yuya Otake, Kohei Hirukawa, Keiichiro Aoki, Masashi Kawabata, Tomonori Kenmoku, Naonobu Takahira","doi":"10.1177/17589983251387725","DOIUrl":"10.1177/17589983251387725","url":null,"abstract":"<p><strong>Background: </strong>Tendon adhesions after hand surgery can severely impair motion and function. Although early mobilization is preferred, re-ruptures or complex trauma cases often require immobilization, increasing the risk of adhesion.</p><p><strong>Purpose: </strong>This report presents two cases-one involving flexor pollicis longus (FPL) tendon re-rupture and another with multiple extensor tendon injuries-treated with a novel flossing intervention aimed at improving tendon gliding and soft tissue flexibility.</p><p><strong>Methods: </strong>In both cases, flossing therapy using a rubber compression band was introduced at 8 weeks postoperatively, following standard immobilization and rehabilitation protocols. Patients performed flossing exercises daily under supervised and home-based conditions.</p><p><strong>Results: </strong>The FPL case showed an improvement in %TAM from 20.8% to 83.3%, and the extensor tendon case improved from 42.9%-50% to 96.4%-98.4% over 16 weeks. Both patients regained functional range of motion and returned to work without requiring tenolysis. Importantly, these improvements occurred when flossing was paired with active range of motion (AROM) exercises, rather than by flossing alone.</p><p><strong>Conclusions: </strong>Flossing, particularly when combined with active range of motion (AROM) exercises, may be a useful adjunct to conventional therapy for managing severe adhesions after tendon repair. These case reports suggest that improvements were likely achieved through the combined effect of flossing and conventional active exercises, rather than flossing alone. Further studies are needed to determine the optimal parameters and generalizability of this technique.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251387725"},"PeriodicalIF":0.6,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12507788/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145281512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hand TherapyPub Date : 2025-09-23DOI: 10.1177/17589983251375897
Kirsty Van Stormbroek, Hellen Myezwa, Lisa O'Brien, Tania Rauch van der Merwe
{"title":"Strengthening capacity for basic hand therapy in South Africa: A consensus development conference and nominal group technique.","authors":"Kirsty Van Stormbroek, Hellen Myezwa, Lisa O'Brien, Tania Rauch van der Merwe","doi":"10.1177/17589983251375897","DOIUrl":"10.1177/17589983251375897","url":null,"abstract":"<p><strong>Introduction: </strong>Access to hand therapy is a challenge in low to middle-income countries but is also restricted for many communities in high-income countries. As an essential part of the global rehabilitation community, hand therapists must consider how to extend access to basic hand therapy services and strengthen the capacity of the therapists who provide these services. This study aimed to identify capacity-strengthening strategies for generalist occupational therapists responsible for delivering hand therapy in the South African public health service.</p><p><strong>Methods: </strong>A consensus development methodology was employed. A hybrid consensus development conference was used to gather local and international evidence pertinent to the project's aim. A panel representing service users (<i>n</i> = 2), service providers (<i>n</i> = 5), research (<i>n</i> = 1), education (<i>n</i> = 1) and professional organisations (<i>n</i> = 5) systematically considered the evidence presented at the conference using a nominal group technique.</p><p><strong>Results: </strong>The panel identified ten priority areas for action: supervision and support; resources; policy, leadership and governance; education and training; professional knowledge and skill; effective referral and care pathways; data and evidence for service improvement; professional attitudes, behaviours and dispositions; inter- and intra-disciplinary action and cohesion; and an intersectoral systems approach.</p><p><strong>Discussion: </strong>The priority areas were categorized and are discussed as strategic, educational, organizational, and operational priorities for strengthening the capacity of generalist occupational therapists to deliver quality hand therapy. We suggest ways that both local and global hand therapy communities can take action to position hand therapy as an essential part of universal health coverage.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251375897"},"PeriodicalIF":0.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12460286/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145187075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hand TherapyPub Date : 2025-09-09DOI: 10.1177/17589983251372843
Claire Brent, Nico Magni, Richard Ellis
{"title":"Does dynamic extension splinting or early active motion provide better outcomes post extensor pollicis longus repair? A systematic review.","authors":"Claire Brent, Nico Magni, Richard Ellis","doi":"10.1177/17589983251372843","DOIUrl":"10.1177/17589983251372843","url":null,"abstract":"<p><strong>Introduction: </strong>Limited research exists on the post-operative treatment of extensor pollicis longus (EPL) repair (tendon transfer and direct repair). Early active motion (EAM) and dynamic extension splinting (DES) are becoming more common compared to static casting. The aim of this systematic review was to determine whether EAM was superior to DES post EPL direct repair or tendon transfer. Outcomes of interest included range of motion, strength, and adverse events.</p><p><strong>Methods: </strong>A systematic search of AMED, EBSCO health database (CINAHL, MEDLINE, and SPORTDiscus), and Scopus was completed. Randomised control trials or cohort studies were included if they followed either an EAM or DES rehabilitation protocol and assessed total active motion, grip strength, pinch strength, or range of motion post EPL surgical repairs. Data extracted included the surgical procedure, rehabilitation protocols, and results. The Downs and Black checklist for clinical trial quality assessment was utilised to assess the methodological quality.</p><p><strong>Results: </strong>Six studies met the inclusion criteria. Five studies included DES and two studies included EAM. Both interventions resulted in improvements in ROM, grip strength and pinch strength with neither intervention being superior. There was no increase in adverse outcomes by using EAM or DES. The risk of bias following assessment of methodological quality of included studies ranged from good to poor.</p><p><strong>Discussion: </strong>The use of EAM should be considered post EPL repair or tendon transfer. EAM does not result in superior outcomes post EPL repair compared to DES, equally EAM does not appear to be inferior compared to DES.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251372843"},"PeriodicalIF":0.6,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12420641/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145041773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hand TherapyPub Date : 2025-08-29DOI: 10.1177/17589983251372949
Thomas Mitchell, Nick Hamilton, Sionnadh McLean, Ben Dean, George Peat
{"title":"The management of non-traumatic wrist disorders: A national survey of practice.","authors":"Thomas Mitchell, Nick Hamilton, Sionnadh McLean, Ben Dean, George Peat","doi":"10.1177/17589983251372949","DOIUrl":"10.1177/17589983251372949","url":null,"abstract":"<p><strong>Introduction: </strong>Non-traumatic wrist disorders (NTWD) are commonly encountered across care settings, but current patterns of care and clinicians beliefs about the care they provide remains unclear.</p><p><strong>Objective: </strong>This study aimed to record management approaches to care for NTWD across clinical groups and care settings.</p><p><strong>Methods: </strong>Ethical approval was sought for an online cross-sectional survey of clinicians [1 Jul - 1 Nov 2023], comprising 18 questions exploring profession, work setting, exposure to NTWD, alongside diagnostic and management confidence. UK-based musculoskeletal (MSK) clinicians were invited to participate through special interest groups, online forums, social media and professional network emails.</p><p><strong>Results: </strong>Variability was found in the domains of specificity of diagnosis and confidence in management which relates to exposure and profession. Variability was found in the domains of specificity of diagnosis and confidence in management which relates to exposure, profession and clinical setting. Several Patient Related Objective Measures (PROMS) were used by clinicians to assess treatment effect, set goals, and communicate with patients.</p><p><strong>Conclusion: </strong>This study provides the first description of UK clinicians management of non-traumatic wrist disorders across professional groups and healthcare settings. As evidence-based management remains elusive, deeper understanding of the clinical decision-making and practice behaviour of clinicians would have value in future studies into NTWD.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251372949"},"PeriodicalIF":0.6,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12397095/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144973237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hand TherapyPub Date : 2025-08-29DOI: 10.1177/17589983251372955
Kate Kyuri Kim, Farah Bacchus-Misir, Darcy Fehlings, Karen Wong, Emily S Ho
{"title":"Definition and measurement of functional first web space: A scoping review.","authors":"Kate Kyuri Kim, Farah Bacchus-Misir, Darcy Fehlings, Karen Wong, Emily S Ho","doi":"10.1177/17589983251372955","DOIUrl":"10.1177/17589983251372955","url":null,"abstract":"<p><strong>Introduction: </strong>The first web space of hands has been understood to be important in daily activities involving the motions of cylindrical grasp and pinch. However, surgical and rehabilitation decision-making based on first web deficiency is challenging without clear definitions of function. This study aimed to evaluate the methods used to measure first web space and synthesize the evidence on its functional definition in children up to 18 years old.</p><p><strong>Methods: </strong>This review followed Arksey and O'Malley's six-stage framework operationalized by the Joanna Briggs Institute (JBI) methodology for conducting a scoping review. In conjunction with a medical librarian, 4440 term combinations were searched on MEDLINE from inception until January 2023. Title/abstract and full-text screening processes were conducted, followed by charting, collating, and summarizing included articles by two independent reviewers.</p><p><strong>Results: </strong>Of 162 studies screened, 20 studies were included. The first web space was most commonly measured in palmar abduction (50%) of the carpometacarpal angle (45%) radiographically (30%). Systematic methods were rarely used (5%) to evaluate activity and participation function of first web limitations. Definition of a cutoff angle or first-web span that represented sufficient functional outcome was difficult to synthesize due to a lack of standard measurement methods.</p><p><strong>Discussion: </strong>While the first web function was quantified in the studies, these values are problematic due to inconsistent measurement methods. A standardized assessment of first web space impairment and its relationship with activity and participation function is clinically significant for evaluating the need and meaningful outcomes of surgical and therapy interventions in children.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251372955"},"PeriodicalIF":0.6,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12397094/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144973201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sex differences in orthosis wear on pain, function, and grip in patients with thumb carpometacarpal joint osteoarthritis.","authors":"Zeinab Gasavi Nezhad, Mokhtar Arazpour, Fereydoun Layeghi, Yousef Fallah, Akbar Biglarian","doi":"10.1177/17589983251372951","DOIUrl":"10.1177/17589983251372951","url":null,"abstract":"<p><strong>Introduction: </strong>To our knowledge, no previous studies have directly compared the effects of orthosis wear in males and females with thumb carpometacarpal (CMC) joint osteoarthritis. Therefore, this study aimed to analyze whether there are differences between males and females in pain, hand function, and grip strength following hand-based orthosis wear.</p><p><strong>Methods: </strong>The study included 14 male and 14 female participants with first- and second-degree CMC joint osteoarthritis. A hand-based orthosis was custom-molded for each participant. Pain, function, grip strength, and pinch strength were evaluated at baseline and after a 6-week period of orthosis wear.</p><p><strong>Results: </strong>Twenty-eight participants (mean age: males 64.6 ± 5.1 years; females 63.5 ± 3.2 years) completed the study. After 6 weeks of orthosis use, both males and females showed significant improvements in grip strength, pinch strength, hand function, daily activity performance, and pain reduction (all <i>p</i> < .05). Although both sexes benefited similarly in grip strength, pain, and function, females reported significantly greater improvement in satisfaction with hand function (<i>p</i> = .020). Mean adherence was 84.75%, with higher compliance observed in females.</p><p><strong>Conclusion: </strong>Although both groups experienced significant improvements in pain, function, grip strength, pinch strength, and overall satisfaction with orthosis wear, greater improvement in satisfaction with hand function was observed among females.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251372951"},"PeriodicalIF":0.6,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12394195/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144973240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hand TherapyPub Date : 2025-08-12DOI: 10.1177/17589983251368305
Robert Browne, Amaury Trockels, Emma Carr, Roisin Dolan, Justin C Wormald
{"title":"Rehabilitation of persistent poor hand function after trauma: A systematic review of randomised controlled trials.","authors":"Robert Browne, Amaury Trockels, Emma Carr, Roisin Dolan, Justin C Wormald","doi":"10.1177/17589983251368305","DOIUrl":"10.1177/17589983251368305","url":null,"abstract":"<p><strong>Introduction: </strong>Hand trauma is common, and can be functionally limiting and psychologically distressing. Hand dysfunction that is persistent after trauma can be troublesome to manage. Patient-reported outcome measures (PROMs) are useful in assessing hand function, and an improvement has been associated with an increase in health-related quality of life. Hand therapy is important for managing patients with residual poor hand function after trauma, but minimal evidence exists to support commonly used treatments. This review aimed to evaluate the evidence for interventions, outcome measures, and the implications for future research in hand therapy.</p><p><strong>Methods: </strong>A systematic review with narrative synthesis was conducted. Randomised controlled trials of residual hand dysfunction after trauma were included. The primary outcome measures were PROMs validated in hand trauma. Secondary outcomes included symptoms of hand dysfunction or validated tests that evaluate hand function.</p><p><strong>Results: </strong>19 studies were included. Occupation-based interventions showed moderate strength of effect in improving hand function in terms of PROMs. Mirror therapy, robot-aided rehabilitation, orthotic management of the stiff hand, and oedema-reducing therapies were also evaluated. The findings were limited by a high risk of bias and lack of robust methodology in the included studies. PROMs were inconsistently utilised, along with a variety of other outcome measures.</p><p><strong>Discussion: </strong>No firm recommendations for practice can be made based on the evidence included in this review. Well designed, multicentre trials are needed to generate more robust evidence. Standardisation of outcome measures and reporting, and the use of PROMs aligned with patient priorities will be crucial for advancing research in hand therapy.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251368305"},"PeriodicalIF":0.6,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12350300/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144875814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hand TherapyPub Date : 2025-07-15DOI: 10.1177/17589983251358493
Shelby Rabb, Laura Ireland, Lexi Davidson, Emily S Ho
{"title":"Upper limb participation after brachial plexus birth injury from childhood to young adulthood: A qualitative study.","authors":"Shelby Rabb, Laura Ireland, Lexi Davidson, Emily S Ho","doi":"10.1177/17589983251358493","DOIUrl":"10.1177/17589983251358493","url":null,"abstract":"<p><p>There is emerging evidence from patient-reported questionnaires that participation restrictions related to employment, parenting, and leisure pursuits emerge in adulthood after a brachial plexus birth injury (BPBI). However, little is known about the lived experiences of young adults with BPBI and their participation during this transitional phase. This Interpretive Description qualitative study was informed by the self-determination theory to guide our perspective of how transformations in the areas of autonomy, competency, and relatedness may influence participation throughout the lifespan. Semi-structured interviews with nine young adults between 19 and 34 years of age with BPBI's were conducted, transcribed, and analyzed using thematic analysis to explore their lifelong participation. There were three main themes that arose during the analysis of these interviews: Navigating everyday life, Navigating uncertainties, and Navigating BPBI identity. Within <i>navigating everyday life</i> participants shared narratives of how opportunities in childhood helped them figure out how to adapt to their BPBI which led to habitual adaptations in adulthood; self-awareness and self-advocacy skills evolved over time. Common experiences of <i>navigating uncertainties</i> during major life transitions (e.g., parenting, post-secondary studies) was expressed as a conscious process of relearning and reintegrating the impacts of BPBI. During transition to adulthood, the lived experiences of the visibility and invisibility of disability emerged as a central aspect of <i>BPBI identity</i>. These narratives from the lifelong participation of adults with BPBI provide important insights to inform transitional care programming of children with BPBI within pediatric hand and upper limb clinical settings.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251358493"},"PeriodicalIF":0.9,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12264252/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144660699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hand TherapyPub Date : 2025-07-06DOI: 10.1177/17589983251356917
Rachael Bamford, Rob Goodwin
{"title":"Patient perception of a community - based thumb osteoarthritis group: A qualitative service evaluation.","authors":"Rachael Bamford, Rob Goodwin","doi":"10.1177/17589983251356917","DOIUrl":"10.1177/17589983251356917","url":null,"abstract":"<p><strong>Introduction: </strong>Base of thumb osteoarthritis (OA) is a common degenerative condition, causing pain, stiffness, weakness and functional limitations. Most patients initially present to their GP. It is important that patients have timely access to therapy interventions. A base of thumb OA group was established within a U.K. inner-city location, as part of a community musculoskeletal therapy service. The group aligned with international clinical guidelines, providing a treatment package including exercise, educational advice and behaviour change strategies.</p><p><strong>Methods: </strong>A prospective qualitative service evaluation was undertaken, with an aim of understanding patients' experiences and views about the base of thumb OA group. Focus groups were undertaken with six patient participants and were recorded, transcribed and analysed thematically.</p><p><strong>Results: </strong>Participants were positive about the impact of the group on self-management of their condition. Participants recognised the complex nature of base of thumb OA and felt that the group provided holistic support. Participants expressed a need for long term support. From a practical perspective participants described some lack of clarity regarding the clinical pathway and referral routes and a lack of support during the waiting period. Participants expressed a preference for face-to-face care delivery.</p><p><strong>Discussion: </strong>Participants appeared supportive of the base of thumb OA group. It appears that such groups can be delivered in a community setting. Some practical service design and delivery lessons were learned. Further research would expand this relatively small scale, pragmatic service evaluation.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251356917"},"PeriodicalIF":0.9,"publicationDate":"2025-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12234499/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144601778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hand TherapyPub Date : 2025-07-05DOI: 10.1177/17589983251352104
Gabriel Morais Xavier Dos Santos, Leonardo Dutra de Salvo Mauad, Heloísa Corrêa Bueno Nardim, Mariana Ferreira Silva, Flávia Pessoni Faleiros Macedo, Gabriela Rezende, Raquel Metzker Mendes Sugano, Elaine Caldeira de Oliveira Guirro, Marisa de Cássia Registro Fonseca
{"title":"Test-retest reliability and concurrent validity of three different handgrip dynamometers (Jamar, Jamar Plus+ and Biodex) in healthy young adults.","authors":"Gabriel Morais Xavier Dos Santos, Leonardo Dutra de Salvo Mauad, Heloísa Corrêa Bueno Nardim, Mariana Ferreira Silva, Flávia Pessoni Faleiros Macedo, Gabriela Rezende, Raquel Metzker Mendes Sugano, Elaine Caldeira de Oliveira Guirro, Marisa de Cássia Registro Fonseca","doi":"10.1177/17589983251352104","DOIUrl":"10.1177/17589983251352104","url":null,"abstract":"<p><strong>Background: </strong>Handgrip strength (HGS) is a key indicator of upper limb function and overall health. While the Jamar dynamometer is considered the gold standard for HGS assessment, alternatives like the Jamar Plus+ and Biodex have emerged, though their reliability and agreement remain underexplored.</p><p><strong>Aim: </strong>To evaluate the test-retest reliability and agreement of the Jamar, Jamar Plus+, and Biodex dynamometers in healthy young adults.</p><p><strong>Methods: </strong>This exploratory cross-sectional study included 35 participants (22 females, 13 males; mean age 23.4 years). HGS was assessed using the three devices, following standardised protocols, with retest after 7 days. Reliability was analysed using the Intraclass Correlation Coefficient (ICC), Standard Error of Measurement (SEM), and Minimal Detectable Change (MDC). Agreement was examined through Bland-Altman plots and Limits of Agreement (LoA %).</p><p><strong>Results: </strong>Jamar and Jamar Plus+ showed excellent reliability (ICC = 0.96-0.98) and strong agreement, with narrow LoA percentages and low measurement error, especially on the non-dominant hand. In contrast, comparisons involving the Biodex revealed wider LoA (up to ±73%) and higher SEM and MDC values, indicating lower agreement with handheld devices. These discrepancies are likely due to differences in measurement principles, hand positioning, and unit conversion. Male participants showed significantly higher grip strength across all instruments.</p><p><strong>Conclusion: </strong>The Jamar and Jamar Plus+ can be used interchangeably. The Biodex may be considered when appropriate adjustments are made, though its agreement with handheld dynamometers is limited. These findings highlight the need for standardised protocols and further research to ensure consistent and reliable HGS assessment across devices.</p>","PeriodicalId":43971,"journal":{"name":"Hand Therapy","volume":" ","pages":"17589983251352104"},"PeriodicalIF":0.9,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12228645/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144585205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}