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The aim of this study was to assess the moderator effect of the target concepts covered in the Pain science education (PSE) sessions, including both the total amount of target concepts and each individual target concept, on changes in pain intensity and disability in patients with chronic spinal pain (CSP). A systematic search of PubMed, Scopus, Embase, Web of Science and CENTRAL was conducted from inception to March 10, 2024. A random effects model was used for meta-regression analysis. A total of 11 studies were included. The total amount of target concepts of PSE showed a significant correlation with changes in pain intensity (k=11; F=4.45; p=0.04; R 2 =26.07 %). In terms of each target content, only a significant effect on pain intensity was obtained for 'transfer knowledge about pain to an adaptive behavioural change' (z=-2.35, P =0.019, 95 %CI -3.42 to -0.31) and 'reconceptualization of pain' (z=-2.43, P =0.015, 95 %CI -3.70 to -0.39). No significant effect on disability was found. These results may be useful for optimising the effectiveness of PSE programmes., Competing Interests: Declaration of Competing Interest RLB is supported by the European Union – Next Generation EU. The other authors have nothing to disclose., (Copyright © 2024 Elsevier Ltd. All rights reserved.)

Introduction: Widespread pain may be related to psychosocial aspects in several musculoskeletal conditions, but the literature on carpal tunnel syndrome (CTS) is scarce., Objective: To determine the relationship between pain extent and psychological factors (catastrophizing, kinesiophobia, anxiety symptoms, and depression) in people with CTS., Methods: A cross-sectional study was conducted. The independent variables were: pain intensity, disability (QuickDASH), duration of symptoms, anxiety and depressive symptoms, catastrophizing, and kinesiophobia. The main outcome was: pain extent (% of total area and categories "pain within the median nerve-innervated territory" versus "extra-median nerve pain"). Correlation analysis was performed using Spearman's correlation coefficient. A linear regression model and binary logistic regression (both with forward selection) were performed to determine the main predictors of pain extent., Results: Forty-eight participants were included. A moderate positive correlation was found between catastrophizing ( r  = 0.455; p  = 0.024) and disability ( r  = 0.448; p  = 0.024) with total pain extent area. Regression models indicated that catastrophizing explained 22% of the variance in the pain extent (β = 0.003; 95% CI: 0.002-0.005), while kinesiophobia was the variable that best explained the distribution of pain in the extra-median territory (R 2 Nagelkerke = 0.182). Null or weak correlations were found for the rest of the associations., Conclusion: Catastrophizing and kinesiophobia were the main indicators of pain extent in people with CTS. Clinicians are advised to use specific questionnaires to check for the presence of catastrophizing or kinesiophobia in people with CTS and wider pain extension.

Fear of movement has been related to changes in motor function in patients with low back pain, but little is known about how kinesiophobia affects selective motor control during gait (ability of muscles performing distinct mechanical functions) in patients with low back-related leg pain (LBLP). The aim of the study was to determine the association between kinesiophobia and selective motor control in patients with LBLP. An observational cross-sectional study was performed on 18 patients. Outcome included: kinesiophobia using the Tampa Scale of Kinesiophobia; pain mechanism using Leeds Assessment of Neuropathic Signs and Symptoms; disability using Roland-Morris Disability Questionnaire; mechanosensitivity using Straight Leg Raise. Surface electromyography was used to assess selective motor control during gait by examining the correlation and coactivation in muscle pairs involved in the stance phase. Pairs included vastus medialis (VM) and medial gastrocnemius (MG), causing opposite moments around the knee joint, and gluteus medius (GM) and MG, as muscles with distinct mechanical functions (weight acceptance vs. propulsion). A strong association was observed between kinesiophobia and correlation (r = 0.63; p = 0.005) and coactivation (r = 0.69; p = 0.001) between VM versus MG. A moderate association was observed between kinesiophobia and correlation (r = 0.58; p = 0.011) and coactivation (r = 0.55; p = 0.019) between GM versus MG. No significant associations were obtained for other outcomes. A high kinesiophobia is associated with low selective motor control of the muscles involved in the weight acceptance and propulsion phases during gait in patients with LBLP. Fear of movement was better associated with decreased neuromuscular control than other clinical variables such as pain mechanism, disability, and mechanosensitivity., Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier Ltd. All rights reserved.)

Introduction: Little is known about how people with haemophilia (PWH) perceive and assess the usefulness, safety and effectiveness of telerehabilitation., Objective: To describe usefulness, safety, effectiveness and limitations of a telerehabilitation program applied in people with severe haemophilia implemented during the COVID-19 pandemic in Chile., Design and Methods: A qualitative study was conducted based on a focus group. Four analytical categories were predefined, three of which involved elements of Donabedian's model for quality assessment in health care (structure, process and results)., Results: One of the most important aspects according to all of the participants is the sense of safety they experienced while being taken care of by a physiotherapist specializing in PWH rehabilitation. This facilitated trust in the professional and adherence to treatment. All participants reported improvements in their physical condition and sense of well-being. The lack of adequate equipment at home, the limited length of the sessions, the perception that the physiotherapist may not be able to perform an appropriate physical examination and the lack of direct supervision were described as disadvantages., Conclusions: The findings underscored that telerehabilitation had high satisfaction among PWH. Telerehabilitation was perceived by PWH as a safe and effective intervention to improve physical condition. Telerehabilitation could be further supported and improved, and coverage could be enhanced, including rural and remote areas, which suffer from chronic inequalities in access to rehabilitation. The lack of face-to-face supervision and physical examination were perceived as the principal disadvantages. These results may help to improve telerehabilitation programs in PWH elsewhere., (Copyright © 2022 Elsevier Ltd. All rights reserved.)

Background: Women's pain is still poorly understood. Moreover, maladaptive pain beliefs contribute to the disability associated with low back pain and play a key role in the transition from acute to chronic symptoms., Objectives: To explore the beliefs of women with non-specific chronic low back pain in terms of nature of symptoms, fears associated with pain, expectations for recovery, family, social and work-related limitations, and perceived self-efficacy., Design and Methods: A qualitative study with an interpretative approach was undertaken. Face-to-face, semi-structured individual interviews were performed. Study participants were 10 women with non-specific chronic low back pain living in the Metropolitan Region of Chile. Thematic analysis was used to analyze the data. A deductive process was used to code the text and categorize the data., Results: Participants described maladaptive beliefs about pain, leading to fearful attitudes and low expectations for recovery. These beliefs seemed to perpetuate pain and limit engagement in daily tasks and meaningful activities. Some of these beliefs were associated with information provided by healthcare professions. Despite having maladaptive beliefs, women perceived themselves as self-effective., Conclusion: Women with chronic low back pain described a range of different pain beliefs across a complex categorial structure. The contents of such structure may interfere with their decisions about therapeutic options. Their beliefs were often ungrounded in scientific principles, even if the information may have been provided by healthcare providers. Physical therapists would benefit from these findings to improve communication with their patients and assess the role of beliefs in decision-making., (Copyright © 2022 Elsevier Ltd. All rights reserved.)

Patients undergoing carpal tunnel release surgery may continue to experience pain despite the intervention. This symptom may be modulated by psychosocial factors including depression, catastrophic thinking, and kinesiophobia. Pain neuroscience education (PNE) has been found to be effective when combined with therapeutic exercise in patients with chronic pain, but this strategy has not been evaluated in patients with persistent hand pain. The findings of this study indicate that a single preoperative PNE session in combination with therapeutic exercise does not provide added benefits in comparison to standard preoperative care plus therapeutic exercise. Future studies should evaluate if patients with carpal tunnel release are additionally benefited by the incorporation and consequent behavioural changes of more PNE sessions to multimodal treatment., (Copyright © 2019 Elsevier Ltd. All rights reserved.)

Introduction: Manual therapy has shown clinical results in patients with knee osteoarthritis. However, the biomechanical aspects during functional tasks have not been explored in depth., Methods: Through surface electromyography, the medial and lateral co-contractions of the knee were measured while descending stairs, prior and posterior to applying a manual therapy protocol in the knee, with emphasis on techniques of joint mobilization and soft-tissue management., Results: Sixteen females with slight or moderate knee osteoarthritis were recruited (eight experimental, eight control). It was observed that the lateral co-contraction index of the experimental group, posterior to intervention, increased by 11.7% (p = 0.014)., Conclusions: The application of a manual therapy protocol with emphasis on techniques of joint mobilization and soft-tissue management modified lateral co-contraction, which would have a protective effect on the joint., (Copyright © 2016 Elsevier Ltd. All rights reserved.)

Objective: The mechanisms underlying the effects of neurodynamic techniques are still unknown. Therefore, the aim of this study was to provide a starting point for future research on explaining why neurodynamic techniques affect muscular activities in patients with sciatic pain., Methods: A double-blind trial was conducted in 12 patients with lumbosciatica. Surface electromyography activity was assessed for different muscles during prone hip extension. Pre- and post-intervention values for muscle activity onset and maximal amplitude signals were determined., Results: There was a significant reduction in the surface electromyography activity of maximal amplitude in the erector spinae and contralateral erector spinae (p < 0.05). Additionally, gluteus maximus (p < 0.05) activity onset was delayed post-intervention., Conclusions: Self-neurodynamic sliding techniques modify muscular activity and onset during prone hip extension, possibly reducing unnecessary adaptations for protecting injured components. Future work will analyze the effects of self-neurodynamic sliding techniques during other physical tasks., (Copyright © 2015 Elsevier Ltd. All rights reserved.)