Journal of Foot and Ankle Research最新文献

{"title":"Differences in ankle and knee muscle architecture and plantar pressure distribution among women with knee osteoarthritis.","authors":"Nazli Busra Cigercioglu, Zilan Bazancir-Apaydin, Hakan Apaydin, Gul Baltaci, Hande Guney-Deniz","doi":"10.1002/jfa2.12028","DOIUrl":"10.1002/jfa2.12028","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was to compare the plantar pressure distribution and knee and ankle muscle architecture in women with and without knee osteoarthritis (OA).</p><p><strong>Methods: </strong>Fifty women with knee OA (mean age = 52.11 ± 4.96 years, mean Body mass index (BMI) = 30.94 ± 4.23 kg/m²) and 50 healthy women as a control group (mean age = 50.93 ± 3.78 years, mean BMI = 29.06 ± 4.82 kg/m²) were included in the study. Ultrasonography was used to evaluate knee and ankle muscles architecture and femoral cartilage thickness. The plantar pressure distribution was evaluated using the Digital Biometry Scanning System and Milleri software (DIASU, Italy). Static foot posture was evaluated using the Foot Posture Index (FPI), and pain severity was assessed using the Visual Analog Scale.</p><p><strong>Results: </strong>The OA group exhibited lower muscle thickness in Rectus Femoris (RF) (p = 0.003), Vastus Medialis (VM) (p = 0.004), Vastus Lateralis (p = 0.023), and Peroneus Longus (p = 0.002), as well as lower Medial Gastrocnemius pennation angle (p = 0.049) and higher Fat thickness (FT) in RF (p = 0.033) and VM (p = 0.037) compared to the control group. The OA group showed thinner femoral cartilage thickness (p = 0.001) and higher pain severity (p = 0.001) than the control groups. FPI scores were higher (p = 0.001) in OA group compared to the control group. The plantar pressure distribution results indicated an increase in total surface (p = 0.027), total load (p = 0.002), medial load (p = 0.005), and lateral load (p = 0.002) on dominant side in OA group compared to the control group.</p><p><strong>Conclusions: </strong>Knee and ankle muscle architecture, knee extensor muscle FT, and plantar pressure distribution in the dominant foot differed in individuals with knee OA compared to the control group.</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12028"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296719/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141184428","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":"Efficacy of heel lifts for lower limb musculoskeletal conditions: A systematic review.","authors":"Jaryd Bourke, Shannon Munteanu, Eman Merza, Alessandro Garofolini, Simon Taylor, Peter Malliaras","doi":"10.1002/jfa2.12031","DOIUrl":"10.1002/jfa2.12031","url":null,"abstract":"<p><strong>Introduction: </strong>The objective of this systematic review is to determine the benefits and harms of heel lifts to any comparator for lower limb musculoskeletal conditions.</p><p><strong>Methods: </strong>Ovid MEDLINE, Ovid AMED, Ovid EMCARE, CINAHL Plus and SPORTDiscus were searched from inception to the end of May 2024. Randomised, quasi-randomised or non-randomised trials comparing heel lifts to any other intervention or no-treatment were eligible for inclusion. Data was extracted for the outcomes of pain, disability/function, participation, participant rating of overall condition, quality of life, composite measures and adverse events. Two authors independently assessed risk of bias and certainty of evidence using the GRADE approach at the primary time point 12 weeks (or next closest).</p><p><strong>Results: </strong>Eight trials (n = 903), investigating mid-portion Achilles tendinopathy, calcaneal apophysitis and plantar heel pain were included. Heel lifts were compared to exercise, ultrasound, cryotherapy orthotics, stretching, footwear, activity modification, felt pads and analgesic medication. No outcome was at low risk of bias and few effects (2 out of 47) were clinically important. Low-certainty evidence (1 trial, n = 199) indicates improved pain relief (55.7 points [95% CI: 50.3-61.1], on a 100 mm visual analogue scale) with custom orthotics compared to heel lifts at 12 weeks for calcaneal apophysitis. Very low-certainty evidence (1 trial, n = 62) indicates improved pain and function with heel lifts over indomethacin (35.5 points [95% CI: 21.1-49.9], Foot Function Index) at 12 months for plantar heel pain.</p><p><strong>Conclusions: </strong>Few trials have assessed the benefits and harms of heel lifts for lower limb musculoskeletal conditions. Only two outcomes out of 47 showed clinically meaningful between group differences. However, due to very low to low certainty evidence we are unable to be confident in the results and the true effect may be substantially different.</p><p><strong>Registration: </strong>PROSPERO registration number CRD42022309644.</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12031"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296721/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141327939","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":"Predictors of operative management in diabetic foot ulcers.","authors":"Amos Au, Erwin Yii, Ana Andric, Jennifer Wong, Alan Saunder, Ming Yii","doi":"10.1002/jfa2.12024","DOIUrl":"10.1002/jfa2.12024","url":null,"abstract":"<p><strong>Background & aims: </strong>Surgery plays a key role in the management of complicated diabetic foot disease (DFD). Currently, indications for medical versus surgical management are poorly defined. Prompt identification of patients who require surgery may reduce morbidities and length of hospital stay. This study aims to analyse factors in DFD that necessitate early surgical interventions.</p><p><strong>Methods: </strong>All patients admitted under a multi-disciplinary diabetic foot team in a tertiary institution over 2 years were included in a retrospective case-control study comparing patients who received medical management and patients who received surgical management. Logistic regression was performed to identify factors associated with surgical management of diabetic foot complications.</p><p><strong>Results: </strong>Three hundred and forty patients were included. 49% of patients required surgical management. Toe ulceration, elevated C-reactive protein (CRP), and the presence of osteomyelitis were associated with surgical management. Multivariate analysis calculated an odds ratio (OR) of 1.01 for CRP (p < 0.001), OR 2.19 (p < 0.019) favouring surgical management for forefoot ulcers, and OR 2.2 (p < 0.019) if osteomyelitis was present.</p><p><strong>Conclusions: </strong>Patients with elevated CRP levels, a forefoot diabetic ulcer and established osteomyelitis were more likely to undergo surgical management. Prompt recognition of these patients has the potential benefit of earlier decision making in definitive surgical interventions.</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12024"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296710/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141155164","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":"Corrigendum to Evaluating the impact of an interdisciplinary integrated limb preservation service operating concurrently with a single-specialty service.","authors":"","doi":"10.1002/jfa2.12026","DOIUrl":"10.1002/jfa2.12026","url":null,"abstract":"","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12026"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296707/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141161309","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 relationship of peak ankle dorsiflexion angle with lower extremity biomechanics during walking.","authors":"Tianyu Gao, Zhengye Ma, Nan Yang, Si Zhang, Haitao Shi, Hua Zhang, Shuang Ren, Hongshi Huang","doi":"10.1002/jfa2.12027","DOIUrl":"10.1002/jfa2.12027","url":null,"abstract":"<p><strong>Purpose: </strong>Abnormal lower limb movement patterns have been observed during walking in individuals with limited ankle dorsiflexion. The purpose of this study was to investigate the relationships of peak ankle dorsiflexion angle during the stance phase of walking with the lower extremity biomechanics at the corresponding moment and to determine a cutoff value of functional limited ankle dorsiflexion during walking.</p><p><strong>Methods: </strong>Kinematic and kinetic data of 70 healthy participants were measured during walking. Spearman's correlation coefficients were calculated to establish the association between peak ankle dorsiflexion and angle and moment of ankle, knee, and hip, ground reaction force, and pelvic movement at peak ankle dorsiflexion. All variables significantly related to peak ankle dorsiflexion were extracted as a common factor by factor analysis. Maximally selected Wilcoxon statistic was used to perform a cutoff value analysis.</p><p><strong>Results: </strong>Peak ankle dorsiflexion positively correlated with ankle plantar flexion moment (r = 0.432; p = 0.001), ankle external rotation moment (r = 0.251; p = 0.036), hip extension angle (r = 0.281; p = 0.018), hip flexion moment (r = 0.341; p = 0.004), pelvic ipsilateral rotation angle (r = 0.284; p = 0.017), and medial, anterior, and vertical ground reaction force (r = 0.324; p = 0.006, r = 0.543; p = 0.001, r = 0.322; p = 0.007), negatively correlated with knee external rotation angle (r = -0.394; p = 0.001) and hip adduction angle (r = -0.256; p = 0.032). The cutoff baseline value for all 70 participants was 9.03°.</p><p><strong>Conclusions: </strong>There is a correlation between the peak ankle dorsiflexion angle and the lower extremity biomechanics during walking. If the peak ankle dorsiflexion angle is less than 9.03°, the lower limb movement pattern will change significantly.</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12027"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296718/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141176636","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":"Burnout among the podiatry profession: A survey of podiatrists in Aotearoa New Zealand.","authors":"Mia Clarke, Mike Frecklington, Sarah Stewart","doi":"10.1002/jfa2.12030","DOIUrl":"10.1002/jfa2.12030","url":null,"abstract":"<p><strong>Introduction: </strong>Burnout and occupational stress have not yet been explored within the Aotearoa New Zealand (AoNZ) podiatry workforce despite research suggesting an increased risk among this population. This study aimed to: (i) determine the prevalence and severity of burnout risk and occupational stress among AoNZ podiatrists; (ii) determine the factors associated with burnout risk and occupational stress among AoNZ podiatrists; and (iii) examine the relationship between burnout risk and occupational stress.</p><p><strong>Methods: </strong>A cross-sectional online survey study was undertaken involving registered podiatrists practicing in AoNZ. Personal and professional demographic characteristics were captured. Participants also completed the Maslach Burnout Inventory (assessing three domains of emotional exhaustion, depersonalisation and personal accomplishment) and the Workplace Stress Scale as measures of burnout risk and occupational stress, respectively. Descriptive statistics, multiple regression analyses and correlation analyses were performed to address the research aims.</p><p><strong>Results: </strong>Responses from 112 AoNZ podiatrists were included in the analyses. High levels of emotional exhaustion were identified in 43.8% of practitioners and were associated with physical activity status, sector of work, working in isolation and work hours (R² = 0.304, F (8, N = 110) = 5.519, p < 0.001). High levels of depersonalisation were seen in 13.4% of practitioners and were associated with patient caseload and work hours, (R² = 0.183, F (4, N = 108) = 5.770, p < 0.001). Low levels of personal accomplishment were observed in 8.9% of practitioners and associated with ethnicity, physical activity status and patient caseload, (R² = 0.152, F (5, N = 106) = 3.577, p < 0.005). A total of 27.7% of practitioners exhibited an overall moderate to high risk of developing burnout. Over a fifth of practitioners exhibited stress at severe or dangerous levels. Stress levels were significantly associated with physical activity status, sector of work and management responsibility, (R² = 0.282, F (5, N = 47) = 3.218, p = 0.15). A strong positive relationship was found between emotional exhaustion and stress (rho = 0.59, p < 0.001).</p><p><strong>Conclusions: </strong>The findings reflect a moderate to severe risk of developing burnout within the workforce, with high workloads and collegial isolation constituting the primary modifiable factors driving burnout development. To maintain retention and well-being within the workforce, mitigation strategies must be implemented to address this issue.</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12030"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296713/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141301982","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":"Understanding delays in chronic limb-threatening ischaemia care: Application of the theoretical domains framework to identify factors affecting primary care clinicians' referral behaviours.","authors":"Eleanor Atkins, Panagiota Birmpili, Ian Kellar, Amundeep S Johal, Qiuju Li, Sam Waton, Jonathan R Boyle, Arun D Pherwani, Ian Chetter, David A Cromwell","doi":"10.1002/jfa2.12015","DOIUrl":"10.1002/jfa2.12015","url":null,"abstract":"<p><strong>Introduction: </strong>Patients in the community with suspected Chronic limb-threatening ischaemia (CLTI) should be urgently referred to vascular services for investigation and management. The Theoretical Domains Framework (TDF) allows identification of influences on health professional behaviour in order to inform future interventions. Here, the TDF is used to explore primary care clinicians' behaviours with regards to recognition and referral of CLTI.</p><p><strong>Methods: </strong>Semi-structured interviews were conducted with 20 podiatrists, nurses and general practitioners in primary care. Directed content analysis was performed according to the framework method. Utterances were coded to TDF domains, and belief statements were defined by grouping similar utterances. Relevance of domains was confirmed according to belief frequency, presence of conflicting beliefs and the content of the beliefs indicating relevance.</p><p><strong>Results: </strong>Nine TDF domains were identified as relevant to primary care clinicians: Knowledge, Environmental context and resources, Memory, Decision and attention processes, Beliefs about capabilities, Skills, Emotions, Reinforcement and Behavioural regulation. Relationships across domains were identified, including how primary care clinician confidence and working in a highly pressurized environment can affect behaviour.</p><p><strong>Conclusion: </strong>We have identified key barriers and enablers to timely recognition and referral behaviour. These beliefs identify targets for theory-driven behaviour change interventions to reduce delays in CLTI pathways.</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12015"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296715/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140866952","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":"Is the addition of running retraining to best standard care beneficial in runners with medial tibial stress syndrome? Protocol for a randomised controlled trial.","authors":"Laura M Anderson, Daniel R Bonanno, Benjamin J Calnin, Prasanna Sritharan, Richard W Willy, Bircan Erbas, Mehak Batra, Hylton B Menz","doi":"10.1002/jfa2.12029","DOIUrl":"10.1002/jfa2.12029","url":null,"abstract":"<p><strong>Background: </strong>Running retraining is commonly used in the management of medial tibial stress syndrome (MTSS) but evidence for its effectiveness is lacking. The primary aim of this study is to determine if the addition of running retraining to best standard care is beneficial in the management of runners with MTSS.</p><p><strong>Methods: </strong>This study is an assessor-blinded and participant-blinded, parallel-group, randomised controlled trial. The trial will recruit 64 participants aged between 18 and 45 years, with a clinical diagnosis of MTSS that has affected their running participation for at least four weeks. Participants will be randomised to receive best standard care (control) or running retraining and best standard care (intervention group) over an 8-week period. Best standard care will consist of load management advice, symptom management advice, footwear advice and a strengthening program. Running retraining will consist of a cue to reduce running step length. Outcomes will be measured at weeks 1, 2, 4 and 8. The primary outcome measure will be the University of Wisconsin Running Injury and Recovery Index at week 4. Secondary outcome measures include: (i) Exercise Induced Leg Pain Questionnaire-British Version, (ii) global rating of change scale, (iii) worst pain experienced during a run, (iv) weekly run volume, (v) reactive strength index score, (vi) single leg hop test, (vii) soleus single leg maximum voluntary isometric contraction, (viii) gastrocnemius single leg maximum voluntary isometric contraction, (ix) single leg plantar flexor endurance test, (x) running step length, and (xi) running step rate. Data will be analysed using the intention-to-treat principle.</p><p><strong>Discussion: </strong>This randomised controlled trial will evaluate if reducing running step length provides additional benefit to best standard care in the management of runners with MTSS over an 8-week period.</p><p><strong>Trial registration: </strong>Australian New Zealand Clinical Trials Registry: ACTRN12624000230550.</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12029"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296717/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141318725","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":"A survey of the treatment and management of ingrown toenails by UK podiatrists: A cross-sectional survey.","authors":"Victoria Exley, Katherine Jones, Judith Watson, Michael Backhouse","doi":"10.1002/jfa2.12017","DOIUrl":"10.1002/jfa2.12017","url":null,"abstract":"<p><strong>Background: </strong>Ingrown toenails are a common pathology. Although a range of conservative and surgical measures are widely used for this condition, little is known about their use in practice. This study explored current practice relating to the treatment or management of ingrown toenails by podiatrists in the UK.</p><p><strong>Methods: </strong>A cross-sectional online survey (Qualtrics, Provo, UT, USA) conducted between March to June 2020 was distributed to practicing podiatrists treating or managing ingrown toenails in the UK.</p><p><strong>Results: </strong>A total of 396 practicing podiatrists responded (60.1% based in the private sector). The majority (88.6%) performed nail surgery most commonly (54.3%) less than five a month. Nearly all (95%) only performed nail avulsion with or without chemical matrixectomy, universally using phenol (97.2%). Application time and number of applications varied but was most commonly applied three times (61.5%) for a total of 3 minutes (75%). Aftercare varied considerably between public and private sectors, with public sectors offering fewer follow-up appointments.</p><p><strong>Conclusions: </strong>Although there is a variation in clinical practice throughout the treatment pathway, almost all respondents offered nail avulsion with phenol matrixectomy, whereas very few provided incisional nail surgery. This data provides the most comprehensive description of how UK podiatrists conduct nail surgery for onychocryptosis.</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 2","pages":"e12017"},"PeriodicalIF":2.5,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296716/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141263177","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":"Acute effects of negative heel shoes on perceived pain and knee biomechanical characteristics of runners with patellofemoral pain.","authors":"Yu Gu, Zhiyi Zheng, Quanshou Zeng, Chen Yang, Yu Song, Xianglin Wan","doi":"10.1002/jfa2.12001","DOIUrl":"10.1002/jfa2.12001","url":null,"abstract":"<p><strong>Background: </strong>To determine the effects of negative heel shoes on perceived pain and knee biomechanical characteristics of runners with patellofemoral pain (PFP) during running.</p><p><strong>Methods: </strong>Sixteen runners with PFP ran in negative (-11 mm drops) and positive (5 mm drops) heel shoes while visual analog scale (VAS) scores, retroreflective markers, and ground reaction force were acquired by applying a 10-cm VAS, infrared motion capture system, and a three-dimensional force plate. Knee moment, patellofemoral joint stress (PFJS), and other biomechanical parameters during the stance phase were calculated based on inverse dynamics and a biomechanical model of the patellofemoral joint.</p><p><strong>Results: </strong>The foot inclination angle, peak PFJS during the stance phase, patellofemoral joint reaction force, knee extension moment, and quadriceps force at the time of peak PFJS of runners with PFP in negative heel shoes were lower than that in positive heel shoes, no significant difference was found in VAS scores, knee flexion angle, patellofemoral contact area, and quadriceps moment arm at the time of peak PFJS.</p><p><strong>Conclusions: </strong>Compared to positive heel shoes, running in negative heel shoes decreases peak PFJS in runners with PFP, which may decrease patellofemoral joint loading, thus reducing the possibility of further development of PFP.</p><p><strong>Trail registration: </strong>Sports Science Experiment Ethics Committee of Beijing Sport University. 2023095H, April 18, 2023 (prospectively registered).</p>","PeriodicalId":49164,"journal":{"name":"Journal of Foot and Ankle Research","volume":"17 1","pages":"e12001"},"PeriodicalIF":2.5,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11296720/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140319620","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}