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Introdução: A lombalgia é uma condição prevalente e que apresenta importante impacto na capacidade funcional e na qualidade de vida, sendo a sua correta abordagem na Atenção Primária à Saúde fundamental para a identificação e o estabelecimento de um diagnóstico etiológico precoce de possíveis patologias que possam estar relacionadas a desfechos mórbidos e a graves limitações funcionais. Apresentação do caso: Paciente de 56 anos, sexo masculino, hipertenso, foi encaminhado para serviço especializado de reumatologia com histórico de lombalgia havia mais de 20 anos. Ao exame físico foi constatada presença de deformidades da coluna vertebral e extensa limitação de movimentos. Exames radiográficos mostravam esclerose de articulações sacroilíacas, osteopenia difusa e coluna vertebral em aspecto de "bambu". Conclusões: Constata-se a importância de que na abordagem das lombalgias na atenção primária se busque o reconhecimento de possíveis etiologias graves e potencialmente incapacitantes que possam estar subjacentes à queixa de dor lombar. Com esse objetivo, é fundamental o reconhecimento das chamadas red flags relacionadas às lombalgias, além de sua caracterização como mecânica ou inflamatória. Perante a atuação da atenção primária no oferecimento de um cuidado pautado na integralidade e na prevenção de agravos, reafirma-se a importância de uma avaliação clínica pormenorizada das lombalgias nesse nível de atenção à saúde.

Introduction: Low back pain is a prevalent condition that has an important impact on functional capacity and quality of life, and its correct approach in Primary Care is fundamental to the identification and establishment of an early etiological diagnosis of possible pathologies that may be related to outcomes morbid conditions and serious functional limitations. Case presentation: 56-year-old male patient, hypertensive, referred to a specialized rheumatology service with a history of low back pain for over 20 years. Physical examination revealed the presence of spinal deformities and extensive movement limitations. Radiographic examinations showing sclerosis of the sacro-iliac joints, diffuse osteopenia and a "bamboo" appearance of the spine. Conclusions: It is important that in the approach of low back pain in Primary Care, we seek to recognize possible serious and potentially disabling etiologies that may underlie the complaint of low back pain. For that, it is essential to recognize the so-called "red flags" related to low back pain, in addition to its characterization as mechanical or inflammatory. Given the role of Primary Care in offering care based on integrality and in the prevention of injuries, the importance of a detailed clinical assessment of low back pain at this level of health care is reaffirmed.

Introducción: La lumbalgia es una patología prevalente que tiene un impacto importante en la capacidad funcional y la calidad de vida, y su correcto abordaje en Atención Primaria de Salud es fundamental para la identificación y establecimiento de un diagnóstico etiológico precoz de posibles patologías que puedan estar relacionadas con los resultados, condiciones morbosas y limitaciones funcionales graves. Presentación del caso: Paciente masculino de 56 años, hipertenso, remitido a servicio especializado de reumatología con antecedentes de dolor lumbar de más de 20 años. El examen físico reveló la presencia de deformidades de la columna y amplias limitaciones de movimiento. Los exámenes radiológicos muestran esclerosis de las articulaciones sacroilíacas, osteopenia difusa y una apariencia de "bambú" de la columna. Conclusiones: Es importante que al abordar la lumbalgia en Atención Primaria de Salud busquemos reconocer las posibles etiologías graves y potencialmente incapacitantes que pueden subyacer a la queja de lumbalgia. Con este objetivo, es fundamental reconocer las llamadas "banderas rojas" relacionadas con la lumbalgia, además de su caracterización como mecánica o inflamatoria. Dado el papel de Atención Primaria de Salud a la hora de ofrecer una atención basada en la integralidad y prevención de enfermedades, se reafirma la importancia de una evaluación clínica detallada de la lumbalgia en este nivel de atención sanitaria.

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OBJECTIVES: Childhood cancer often presents with non-specific signs and symptoms that might mimic non-malignant disorders including musculoskeletal diseases, potentially leading to rheumatic and orthopaedic misdiagnoses. We aimed to compare clinical presentation, diagnostic interval and survival in paediatric acute myeloid leukaemia (AML) with and without initial musculoskeletal symptoms. METHODS: This nationwide retrospective, cohort study reviewed medical records of 144 children below 15 years diagnosed with AML in Denmark from 1996 to 2018. RESULTS: Musculoskeletal symptoms occurred in 29% (42/144) of children with AML and 8% (11/144) received an initial musculoskeletal misdiagnosis, being mainly non-specific and pain-related. The children with and without musculoskeletal symptoms did not differ markedly up to the diagnosis of AML and blood counts were affected equally in both groups. However, the children with prior musculoskeletal symptoms were more likely to have elevated levels of LDH and ferritin. Furthermore, they revealed a tendency towards a longer total interval (median 53 days vs. 32 days, p = 0.07), but the overall survival did not differ. CONCLUSION: AML should be considered as an underlying cause in children with unexplained musculoskeletal symptoms and abnormal blood counts. Concomitant elevation of LDH and ferritin should strengthen the suspicion.

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BACKGROUND: Most of the worldwide population is overweight and suffers from the resulting musculoskeletal comorbidities such as knee osteoarthritis or back pain. Practice guidelines recommend weight loss interventions for individuals suffering from these conditions. This systematic review investigated whether including a weight loss intervention in the musculoskeletal therapy of these individuals was cost-effective compared to administering the musculoskeletal therapy alone. METHODS: This study followed the PRISMA guidelines to systematically and independently search six databases and select full health economic evaluations published up to May 2024 from health care or societal perspectives according to predefined eligibility criteria. Cost data were standardised to 2023 Belgium Euros. The methodological quality was assessed using two health economic-specific checklists. RESULTS: The searches produced 5'305 references, of which 8 studies were selected for a total of 1'726 participants. The interventions consisted of different exercise plans and nutritional targets. Six values were in the north-eastern; leading to increased quality-adjusted life year (QALY) and higher costs; and two in the south-eastern quadrant of the cost-utility plane; leading to increased QALYs and lower costs. Two studies observed no differences in QALYs. Incremental cost utility ratios (ICUR) ranged from €13'580.10 to €34'412.40 per additional QALY from a healthcare perspective. From a societal perspective, the ICUR was €30'274.84. The included studies fulfilled 86 percent of the criteria in trial-based economic evaluations and 57 percent in model-based economic evaluations. The most common limitations of the studies were related to appropriate cost measures' specifications, research questions, time horizon choices, and sensitivity analyses. CONCLUSIONS: This systematic review showed weak but consistent evidence of cost-effectiveness for adding a weight loss intervention to musculoskeletal therapy for individuals with overweight, from either perspective. Further economic evaluations should evaluate the long-term cost-effectiveness of the intervention. TRIAL REGISTRATION: International Platform of Registered Systematic Review and Meta-analysis Protocols INPLASY (2022,110,122).

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PURPOSE: To determine work-related musculoskeletal pain (MSP) among 105 operating room nurses (ORNs) and its effect on their routine work. DESIGN: Multicenter cross-sectional design. METHODS: This study was conducted with 105 nurses working in operating rooms of five different hospitals between December 15, 2021, and February 15, 2022. Data were collected using the "Nordic Musculoskeletal Questionnaire." SPSS 22.0 was used for data analysis, and a significance level of p < .05 was established. RESULTS: Among the nurses, 75.2% were female, 78.1% had undergraduate education, and 59% worked >40 hours/week. In the previous 12 months, 69.5% of ORNs experienced lower back pain; 68.6%, neck pain; and 61.9%, back pain. The duration spent working as a scrub nurse increased the possibility of experiencing pain in the hands, wrists, back, shoulders, and lower back region (p < .05), and women had an increased risk of lower back and back pain (p < .05). Neck, lower back, back, wrist, and hand pain increased the risk of being unable to perform daily tasks (p < .05). CONCLUSIONS: Extended work hours as a scrub nurse increase the risk of MSP, including lower back region, neck, and back pain among ORNs. Women have a higher risk of lower back and back pain. Addressing musculoskeletal issues in this profession is crucial. CLINICAL IMPLICATIONS: Addressing musculoskeletal discomfort is vital because of its impact on nurses' job performance and potential patient harm. Providing ergonomic equipment, training nurses on musculoskeletal health, and raising awareness can help. It is also important to encourage regular breaks.

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People with physical diseases are reported to be at elevated risk of subsequent mental disorders. However, previous studies have considered only a few pairs of conditions, or have reported only relative risks. This study aimed to systematically explore the associations between physical diseases and subsequent mental disorders. It examined a population-based cohort of 7,673,978 people living in Denmark between 2000 and 2021, and followed them for a total of 119.3 million person-years. The study assessed nine broad categories of physical diseases (cardiovascular, endocrine, respiratory, gastrointestinal, urogenital, musculoskeletal, hematological and neurological diseases, and cancers), encompassing 31 specific diseases, and the subsequent risk of mental disorder diagnoses, encompassing the ten ICD-10 groupings (organic, including symptomatic, mental disorders; mental disorders due to psychoactive substance use; schizophrenia and related disorders; mood disorders; neurotic, stress-related and somatoform disorders; eating disorders; personality disorders; intellectual disabilities; pervasive developmental disorders; and behavioral and emotional disorders with onset usually occurring in childhood and adolescence). Using Poisson regression, the overall and time-dependent incidence rate ratios (IRRs) for pairs of physical diseases and mental disorders were calculated, adjusting for age, sex and calendar time. Absolute risks were estimated with the Aalen-Johansen estimator. In total, 646,171 people (8.4%) were identified as having any mental disorder during follow-up. All physical diseases except cancers were associated with an elevated risk of any mental disorder. For the nine broad pairs of physical diseases and mental disorders, the median point estimate of IRR was 1.51 (range: 0.99-1.84; interquartile range: 1.29-1.59). The IRRs ranged from 0.99 (95% CI: 0.98-1.01) after cancers to 1.84 (95% CI: 1.83-1.85) after musculoskeletal diseases. Risks varied over time after the diagnosis of physical diseases. The cumulative mental disorder incidence within 15 years after diagnosis of a physical disease varied from 3.73% (95% CI: 3.67-3.80) for cancers to 10.19% (95% CI: 10.13-10.25) for respiratory diseases. These data document that most physical diseases are associated with an elevated risk of subsequent mental disorders. Clinicians treating physical diseases should constantly be alert to the possible development of secondary mental disorders.

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A limited number of tissues can spontaneously regenerate following injury, and even fewer can regenerate to a state comparable to mature, healthy adult tissue. Mesenchymal stem cells (MSCs) were first described in the 1960s-1970s by Friedenstein et al as a small population of bone marrow cells with osteogenic potential and abilities to differentiate into chondrocytes. In 1991, Arnold Caplan coined the term "mesenchymal cells" after identifying these cells as a theoretical precursor to bone, cartilage, tendon, ligament, marrow stroma, adipocyte, dermis, muscle, and connective tissues. MSCs are derived from periosteum, fat, and muscle. Another attractive property of MSCs is their immunoregulatory and regenerative properties, which result from crosstalk with their microenvironment and components of the innate immune system. Collectively, these properties make MSCs potentially attractive for various therapeutic purposes. MSCs offer potential in sports medicine, aiding in muscle recovery, meniscal tears, and tendon and ligament injuries. In joint disease, MSCs have the potential for chondrogenesis and reversing the effects of osteoarthritis. MSCs have also demonstrated potential application to the treatment of degenerative disc disease of the cervical, thoracic, and lumbar spine.

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Platelets are crucial for thrombosis and hemostasis. Importantly, they contain mitochondria that are responsible for energy generation and therefore vital for platelet survival and activation. Activated platelets can release mitochondria that may be free or encapsulated in platelet extracellular vesicles (EVs). Extruded mitochondria are a well-known source of mitochondrial DNA, and mitochondrial antigens that can be targeted by autoantibodies forming immune complexes (IC). Interaction of IC with the platelet cell surface FcγRIIA receptor results in platelet activation and release of platelet granule components. In this review, we summarize how platelets and mitochondria may contribute to the pathogenesis of different autoimmune and musculoskeletal diseases. Targeting key drivers of mitochondrial extrusion may ultimately lead to urgently needed targeted pharmacological interventions for treating inflammation and thrombotic diathesis, and halting organ damage in some of these rheumatological conditions.

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Advances in surgical ergonomics are essential for the performance, health, and career longevity of surgeons. Many surgeons experience work-related musculoskeletal disorders (WMSDs) resulting from various surgical modalities, including open, laparoscopic, and robotic surgeries. To prevent WMSDs, individual differences may exist depending on the surgical method; however, the key is to maintain a neutral posture, and avoid static postures. This review aims to summarize the concepts of ergonomics and WMSDs; identify the ergonomic challenges of open, laparoscopic, and robotic surgeries; and discuss ergonomic recommendations to improve them.

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The aims were (i) to determine the effects of Cognitive behavioral therapy for insomnia (CBT-I) on sleep disturbances, pain intensity and disability in patients with chronic musculoskeletal pain (CMP), and (ii) to determine the dose-response association between CBT-I dose (total minutes) and improvements in sleep disorders, pain intensity and disability in patients with CMP. A comprehensive search was conducted in PubMed/MEDLINE, Web of Science, CINAHL, and SCOPUS until December 17, 2023. Randomized clinical trials (RCTs) using CBT-I without co-interventions in people with CMP and sleep disorders were eligible. Two reviewers independently extracted data and assessed risk of bias and certainty of the evidence. A random effects meta-analysis was applied to determine the effects on the variables of interest. The dose-response association was assessed using a restricted cubic spline model. Eleven RCTs (n = 1801 participants) were included. We found a significant effect in favor of CBT-I for insomnia (SMD: -1.34; 95%CI: -2.12 to -0.56), with a peak effect size at 450 min of CBT-I (-1.65, 95%CI: -1.89 to -1.40). A non-significant effect was found for pain intensity. A meta-analysis of disability was not possible due to the lack of data. This review found benefits of CBT-I for insomnia compared to control interventions, with a large effect size. In addition, it was estimated that a 250-min dose of CBT-I had a large effect on reducing insomnia and that the peak effect was reached at 450 min. These novel findings may guide clinicians in optimizing the use of CBT-I in people with CMP and insomnia.

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We used finite element analysis to study the mechanical stress distribution of a new intramedullary implant used for proximal interphalangeal joint (PIPJ) arthrodesis (PIPJA) to surgically correct the claw-hammer toe deformity that affects 20% of the population. After geometric reconstruction of the foot skeleton from claw toe images of a 36-year-old male patient, two implants were positioned, in the virtual model, one neutral implant (NI) and another one 10° angled (10°AI) within the PIPJ of the second through fourth HT during the toe-off phase of gait and results were compared to those derived for the non-surgical foot (NSF). A PIPJA was performed on the second toe using a NI reduced tensile stress at the proximal phalanx (PP) (45.83 MPa) compared to the NSF (59.44 MPa; p < 0.001). When using the 10°AI, the tensile stress was much higher at PP and middle phalanges (MP) of the same toe, measuring 147.58 and 160.58 MPa, respectively, versus 59.44 and 74.95 MPa at corresponding joints in the NSF (all p < 0.001). Similar results were found for compressive stresses. The NI reduced compressive stress at the second PP (-65.12 MPa) compared to the NSF (-113.23 MPa) and the 10°AI (-142 MPa) (all p < 0.001). The von Mises stresses within the implant were also significantly lower when using NI versus 10°AI (p < 0.001). Therefore, we do not recommend performing a PIPJA using the 10°AI due to the increase in stress concentration primarily at the second PP and MP, which could promote implant breakage.

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BACKGROUND: Against the backdrop of the debate on extending working life, it is important to identify vulnerable occupational groups by analysing inequalities in healthy life years. The aim of the study is to analyse partial life expectancy (age 30-65) [1] free of musculoskeletal diseases (MSD) and [2] free of cardiovascular diseases (CVD) in occupational groups with different levels of physical and psychosocial exposures. METHODS: The study is based on German health insurance claims data from 2015 to 2018. The study population comprises all employed insured persons aged 18 to 65 years (N = 1,528,523). Occupational exposures were assessed using a Job Exposure Matrix. Life years free of MSD / CVD and life years with MSD /CVD during working age were estimated using multistate life tables. RESULTS: We found inequalities in MSD-free and CVD-free life years, with less disease-free years among men and women having jobs with high levels of physical and psychosocial exposures. Men with low physical exposures had 2.4 more MSD-free and 0.7 more CVD-free years than men with high physical exposures. Women with low psychosocial exposures had 1.7 MSD-free and 1.0 CVD-free years more than women with high psychosocial exposures. CONCLUSIONS: Employees in occupations with high physical and psychosocial demands constitute vulnerable groups for reduced life expectancy free of MSD and CVD. Given the inequalities and high numbers of disease-affected life years during working age, the prevention potential of occupational health care and workplace health promotion should be used more extensively.

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The intricate interplay between cellular senescence and alterations in the gut microbiome emerges as a pivotal axis in the aging process, increasingly recognized for its contribution to systemic inflammation, physiological decline, and predisposition to age-associated diseases. Cellular senescence, characterized by a cessation of cell division in response to various stressors, induces morphological and functional changes within tissues. The complexity and heterogeneity of senescent cells, alongside the secretion of senescence-associated secretory phenotype, exacerbate the aging process through pro-inflammatory pathways and influence the microenvironment and immune system. Concurrently, aging-associated changes in gut microbiome diversity and composition contribute to dysbiosis, further exacerbating systemic inflammation and undermining the integrity of various bodily functions. This review encapsulates the burgeoning research on the reciprocal relationship between cellular senescence and gut dysbiosis, highlighting their collective impact on age-related musculoskeletal diseases, including osteoporosis, sarcopenia, and osteoarthritis. It also explores the potential of modulating the gut microbiome and targeting cellular senescence as innovative strategies for healthy aging and mitigating the progression of aging-related conditions. By exploring targeted interventions, including the development of senotherapeutic drugs and probiotic therapies, this review aims to shed light on novel therapeutic avenues. These strategies leverage the connection between cellular senescence and gut microbiome alterations to advance aging research and development of interventions aimed at extending health span and improving the quality of life in the older population.

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Background Low back pain (LBP) is a common problem encountered in medical practice, leading to limitations in daily activities and causing social and economic hardships. Objectives This study aimed to assess the prevalence of LBP and its associated factors among medical students at Nineveh University in Iraq. Methods Between December 2022 and January 2023, a cross-sectional study was conducted among medical students at Nineveh University. A modified version of the Standard Nordic Questionnaire was used for data collection. Results Out of 308 students, 229 (74.4%) experienced LBP at some point in their lives. In addition, 209 (67.9%) reported having LBP during the last 12 months, 148 (48.1%) during the previous seven days, and 126 (40.9%) at the time of answering the survey. Factors significantly associated with LBP during the last 12 months were being in the fifth-stage academic year (p=0.047), family history of LBP (p=0.003), and history of trauma (p=0.006). On the multivariable logistic regression analysis, factors significantly associated with LBP during the last 12 months were family history of LBP (p=0.02) and history of trauma (p=0.01). Conclusions The prevalence of LBP among medical students at Nineveh University was comparatively high. A family history of LBP and a history of trauma were factors significantly associated with LBP during the last 12 months. Managing this health concern should be a priority for the administration of medical schools.

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BACKGROUND: Dentistry is a physically and mentally demanding profession that involves long periods of muscle imbalance and asymmetrical postures when performing delicate procedures. This can lead to a high incidence of work-related diseases. However, physical activity may prevent or minimize the incidence of musculoskeletal discomfort and pain. OBJECTIVE: The present study aimed to determine the association between musculoskeletal disorders and physical activity levels in dentists practicing in Turkey. METHODS: This cross-sectional study was conducted between March and June 2023 with dentists from Turkey actively practicing dentistry. The short form of the International Physical Activity Questionnaire was used to determine dentists' physical activity levels, and the Extended Nordic Musculoskeletal Questionnaire was used to assess musculoskeletal disorders. IBM SPSS 20 software was used for statistical analysis. Data were presented as mean, standard deviation, median, minimum, maximum, percentage, and number. Chi-square, Mann-Whitney U, One-Sample Chi-Square tests, and an ordinal logistic regression test were used. The statistical significance level was taken as p <  0.05. RESULTS: A total of 116 dentists (63 females 53 males) between the ages of 24 and 60 (36.37±7.32) were included in the study. Forty-eight participants had a low level of physical activity, 56 had a moderate level of physical activity (MLPA), and 12 had a high level of physical activity (HLPA). There was no significant difference between the gender (p = 0.224) and age (p = 0.469) of the participants and levels of physical activity. Musculoskeletal discomfort was reported by 93.1% (n = 108) of the participants in one or more body parts (p <  0.001) and 55.6% (n = 60) of them were female. The number of dentists with neck (p <  0.001) and shoulder (p = 0.05) problems was significantly higher. There was no significant effect of gender (p > 0.05) on musculoskeletal conditions. However, the relationship between musculoskeletal conditions and physical activity levels was inconsistent. The HLPA group reported the lowest discomfort for all body parts, except the elbows and knees (p <  0.05). The MLPA group reported higher discomfort in the neck, shoulder, upper back, wrists/hands, lower back, and knees. The group with the lowest physical activity exhibited the highest discomfort in the elbow and ankle/feet regions. CONCLUSION: This study found that the prevalence of musculoskeletal disorders was high among dentists, many of whom reported either low or moderate physical activity levels. The results of this study may enhance dentists' understanding of work-related musculoskeletal diseases and promote their participation in physical activities.

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Health personnel who played a key role in the fight against the pandemic stayed during it burdened with increased working time using a computer. We analyzed the impact of increased computer working time during the COVID-19 pandemic on the occurrence of the upper part of musculoskeletal diseases among health personnel. The study group consisted of 418 health personnel, divided according to the time they worked at the computer during the pandemic: up to 2 h a day, from 3 to 5 h a day, and more than 6 h a day. The ICF profile analyzed symptoms of dysfunction of structures of the upper part of the musculoskeletal system (head and cervical spine, shoulder girdle, elbow joint, wrist joint). Employees working more than 6 h daily had a higher risk of developing restrictions in tone of isolated muscles and muscle groups p < 0.001), range of motion of the shoulder girdle (p < 0.001), increased tension of paraspinal muscles (p < 0.001), weakened shoulder girdle muscle strength (p < 0.001), elbow joint pain (p = 0.016), wrist joint pain (p < 0.001), coordination disorders (p = 0.004), difficulties in arm and hand use (p < 0.001), lifting and carrying objects (p = 0.008) and paraesthesia (p < 0.001) compared to those working less than 2 h daily. Additionally, working for 3-5 h and above 6 h compared to health personnel working up to 2 h was associated with a greater risk of headaches and cervical spine pain (p < 0.001), shoulder girdle pain (p < 0.001), limited mobility in the wrist joint (p = 0.003), and tremors (p < 0.001), that working below 2 h. Prolonged computer working time among health personnel during the COVID-19 pandemic is significantly associated with an increased risk of dysfunction and pain in structures of the upper part of the musculoskeletal system. Effective preventive measures are necessary to improve the functioning of the musculoskeletal system during extended periods of computer use.

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BACKGROUND: Pathologies of the locomotor system are frequent and can cause disability and impact the quality of life of the people affected. In recent years, online training and feedback have emerged as learning tools in many fields of medicine. OBJECTIVE: This study aims to evaluate medical interns' musculoskeletal examination performance after completing an online training and feedback module. METHODS: This study employed a quasi-experimental design. Medical interns were invited to complete a 4-week musculoskeletal physical examination training and feedback module via an e-learning platform. The course included written and audiovisual content pertaining to medical history, physical examination, and specific tests for the diagnosis of the most common knee, spine, shoulder, ankle, and foot conditions. Before and after completing the module, their ability to perform the physical examination was evaluated using an objective structured clinical examination (OSCE) with simulated patients that took place face-to-face. A control group of experts was assessed using the OSCE, and their performance was compared to that of the interns before and after the training. At the end of the module feedback on the OSCE was provided to participants through the platform asynchronously and two evaluation questions about the user experience were conducted at the end of the study. RESULTS: A total of 35 subjects were assessed using the OSCE, including 29 interns and 6 experts. At the beginning of the training module, the group of interns obtained an average score of 50.6 ± 15.1. At the end of the module, 18 interns retook the OSCE, and their performance increased significantly to an average of 76.6 ± 12.8 (p < 0.01). Prior to the training, the experts performed significantly better than the interns (71.2 vs. 50.6; p = 0.01). After the interns received the training and feedback, there were no significant differences between the two groups (71.2 vs. 76.6; p = 0.43). Two evaluation questions were conducted at the end of the study, revealing that 93% of the participants affirm that the training module will be useful in their clinical practice, and 100% of the participants would recommend the training module to a colleague. CONCLUSION: The online training and feedback module enhances the musculoskeletal examination performance of medical interns.

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BACKGROUND: Work-related musculoskeletal disorders (WMSDs) show a rapid growth trend. It has brought a huge economic burden to the society and become a serious occupational health problem that needs to be solved urgently. This study aimed to analyze the local muscle response under continuous ergonomic load, screen sensitive fatigue-related biomarkers and provide data support for the early prevention of local muscle damage and the exploration of early warning indicators. METHODS: Thirteen male college student volunteers were recruited to perform simulated repetitive manual lifting tasks in the laboratory. The lifting task was designed for 4 periods which lasted for 12 min in each, and then paused for 3 min for sampling. Local muscle fatigue is assesed by the Rating of perceived exertion (RPE) and the Joint analysis of sEMG spectrum and amplitude (JASA). Elbow venous blood was collected and 14 kinds of biomarkers were analyzed, which included Metabolic markers Ammonia (AMM), Lactic acid (LAC), Creatine kinase (CK), Lactate dehydrogenase (LDH), Cartilage oligomeric matrix protein (COMP), C-telopeptide of collagen I and II (CTX-I, CTX-II) and Calcium ion (Ca2+); Oxidative stress marker Glutathione (GSH); Inflammatory markers C-reaction protein (CRP), Prostaglandin E2 (PG-E2), Interleukin-6 (IL-6) and Tumor necrosis factor α (TNF-α); Pain marker Neuropeptide Y (NPY). Repeated measures analysis of variance (Repeated ANOVA), linear regression analysis, t-test and spearman correlation analysis were used to analyze the data. RESULTS: Both subjective and objective fatigue appeared at the same period. Serum AMM, LAC, CK, LDH, COMP, CTX-II, Ca2+ and NPY after fatigue were significantly higher than those before fatigue (p < 0.05). There was a certain degree of correlation between the markers with statistical differences before and after fatigue. CONCLUSIONS: Metabolic markers (serum AMM, LAC, CK, LDH, COMP, CTX-II, Ca2+) and pain markers (serum NPY) can reflect local muscle fatigue to a certain extent in repetitive manual lifting tasks. It is necessary to further expand the research on fatigue-related biomarkers in different types of subjects and jobs in the future.

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Purpose: To identify and describe behavior change techniques (BCTs) used in rehabilitation for patients with rheumatic and musculoskeletal diseases (RMDs), according to their own perceptions. Further, to examine patients' descriptions of their capability, opportunity, motivation, and readiness for health behavior change. Patients and Methods: Patients were adults in need of specialized, multidisciplinary rehabilitation services due to inflammatory rheumatic disease, systemic connective tissue disease, or fibromyalgia / chronic widespread pain. Semi-structured interviews of 21 patients were analyzed with deductive qualitative content analysis applying three theoretical frameworks: the Behavior Change Technique Taxonomy, the transtheoretical model and stages of change, and the capability, opportunity, and motivation model of behavior. Results: Forty-six BCTs aggregated within 14 BCT groups were identified used by either patients, healthcare professionals (HPs), or both. Goals and planning, feedback and monitoring, social support, shaping knowledge, repetition and substitution were most frequently used to facilitate behavior change. Twenty patients had reached the action stage and made specific lifestyle changes concerning more than half of their goals. Concerning other goals, 6 of these patients reported to be contemplating behavior change and 15 to be preparing for it. The rehabilitation process appeared to strengthen capability, opportunity, motivation, and the desired behaviors. Patient-reported barriers to behavior change were connected with restrictions in physical capability resulting from an unpredictable and fluctuating disease course, weakened motivation, and contextual factors, such as lack of access to healthcare support and training facilities, and high domestic care burden. Conclusion: The rehabilitation process seemed to strengthen individual and contextual prerequisites for behavior change and facilitate the use of required techniques and engagement in the desired behaviors. However, patients with RMDs may need prolonged support from HPs to integrate healthy lifestyle changes into everyday life. The findings can be used to optimize rehabilitation interventions and patients' persistent engagement in healthy behaviors.

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Background: This study aims to determine the rate of inflammatory rheumatic diseases (IRDs) in a cohort of initial referrals and the efficacy of prioritising appointments to the early arthritis clinic (EAC) based on symptom duration. Methods: In the present study, we used algorithm-based telephone triage to assign routine care appointments according to the time between symptom onset and request for an appointment (cut-off criterion: 6 months). This retrospective, monocentric analysis evaluated the effectiveness of our triage in identifying patients with IRDs as a function of the assigned appointment category (elective, EAC, or emergency appointment). Results: A total of 1407 patients were included in the study (34.7% male; 65.3% female). Of the 1407 patients evaluated, 361 (25.7%) presented with IRD. There were significant differences in the frequency of inflammatory diagnoses between appointment categories (p < 0.001): elective 13.8%, EAC 32.9%, and emergency 45.9%. The sample without the emergency category included a total of 1222 patients. The classification into "inflammatory" or "non-inflammatory" in this subsample was as follows: Sensitivity was 37.7%, and specificity was 92.6%. The positive predictive value (PPV) was 59.8%, and the negative predictive value (NPV) was 83.6%. Overall, 80.2% of patients were correctly assigned using the appointment category and C-reactive protein (CRP). Conclusions: The algorithm-based triage system presented here, which focuses on the time between symptom onset and request for an appointment, allows for the prioritisation of appointments in favour of patients with IRDs and thus earlier initiation of therapy.

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In the last ten years, stem cell (SC) therapy has been extensively used to treat a range of conditions such as degenerative illnesses, ischemia-related organ dysfunction, diabetes, and neurological disorders. However, the clinical application of these therapies is limited due to the poor survival and differentiation potential of stem cells (SCs). Extracorporeal shock wave therapy (ESWT), as a non-invasive therapy, has shown great application potential in enhancing the proliferation, differentiation, migration, and recruitment of stem cells, offering new possibilities for utilizing ESWT in conjunction with stem cells for the treatment of different systemic conditions. The review provides a detailed overview of the advances in using ESWT with SCs to treat musculoskeletal, cardiovascular, genitourinary, and nervous system conditions, suggesting that ESWT is a promising strategy for enhancing the efficacy of SC therapy for various diseases.

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