Psychosocial work aspects, work ability, mental health and SARS-CoV-2 infection rates of on-site and remote Brazilian workers during the COVID-19 pandemic - a longitudinal study.

Background: At the beginning of the COVID-19 pandemic, some workers had the opportunity to work from home, while others remained in on-site work. The aim of the present study was to compare the psychosocial work aspects, work ability, mental health conditions and SARS-CoV-2 infection rates of Brazilian workers in remote and on-site work through a longitudinal study with quarterly follow-up assessments over a 12-month period.

Method: A convenience sample of 1,211 workers from different economic sectors participated in the study, 897 of whom (74.

Association between ankle torque and performance-based tests, self-reported pain, and physical function in patients with knee osteoarthritis.

Objectives: This study aimed to investigate the association between ankle torque and performance-based tests, self-reported pain, and physical function in patients with knee osteoarthritis (OA).

Patients And Methods: The cross-sectional study was conducted with 39 individuals (24 females, 15 males; mean age: 57.3±6.

Perspectives, practices, and challenges of online teaching during COVID-19 pandemic: A multinational survey.

The result of the movement restrictions during the COVID-19 pandemic was an impromptu and abrupt switch from in-person to online teaching. Most focus has been on the perception and experience of students during the process. The aim of this international survey is to assess staffs' perspectives and challenges of online teaching during the COVID-19 lockdown.

Prevalence and factors associated with sexual dysfunction in brazilian women: a cross-sectional study.

Introduction And Hypothesis: Changes in the mechanisms that modulate sexual response can contribute to the development of female sexual dysfunction (FSD). Although the prevalence of FSD in Brazil has been established, its associated risk factors have not been thoroughly examined. This study aimed to determine the prevalence of FSD in Brazilian women and identify any factors that may be associated with its presence.

Reproducibility of isokinetic measures of the knee and ankle muscle strength in community-dwelling older adults without and with Alzheimer's disease.

Background: To interpret changes of muscle strength in older adults with Alzheimer's disease (AD), determining the reliability of outcome measures is necessary. Therefore, the purpose of the present study was to investigate the relative and absolute intra-rater reliability of concentric isokinetic measures of the knee and ankle muscle strength in community-dwelling older adults without and with AD in the mild and moderate stages.

Methods: A methodological study was conducted.

Immediate effects of hip strap and foot orthoses on self-reported measures and lower limb kinematics during functional tasks in individuals with patellofemoral osteoarthritis: protocol for a randomised crossover clinical trial.

Background: Elevated patellofemoral joint stress has been associated with patellofemoral osteoarthritis (PFOA). Changes in lower limb kinematics, such as excessive femoral adduction and internal rotation and excessive rearfoot eversion during the stance phase of functional activities, may increase patellofemoral stress. There is a lack of studies that assess the effects of interventions for controlling femur and subtalar joint movements during functional activities on self-reported measures in individuals with PFOA.

Usefulness of the Rapid Office Strain Assessment (ROSA) tool in detecting differences before and after an ergonomics intervention.

Background: Most ergonomics studies on office workstations evaluate the effects of an intervention only by subjective measures such as musculoskeletal pain and discomfort. Limited evidence has been provided regarding risk factor reduction in office environments through standardized methods assessments. The Rapid Office Strain Assessment (ROSA) tool can provide an estimation of risk factor exposure for office workers as a means by which the outcome of interventions can be quantified.

Effects of workstation adjustment to reduce postural exposure and perceived discomfort among office workers - A cluster randomized controlled trial.

This study aimed to evaluate the effects of workstation adjustment to reduce postural exposure and perceived discomfort among office workers in a cluster randomized controlled trial. Experimental (EG, n = 31) and control groups (CG, n = 30) were compared before (pre-intervention), immediately (post-intervention), and 3 months after (follow up) the intervention. EG received workstation adjustments and CG did not received the intervention.

Influence of gender and age on musculoskeletal symptoms in white-collar and blue-collar workers: a cross-sectional study.

This study aimed to identify the prevalence of musculoskeletal symptoms among blue-collar and white-collar workers stratified by gender and age. . The sample was composed of 390 blue-collar and 510 white-collar workers.

Heart rate during work and heart rate variability during the following night: a day-by-day investigation on the physical activity paradox among blue-collar workers.

Objectives: Contrary to leisure-time physical activity, occupational physical activity (OPA) may have harmful health effects, called the physical activity paradox. A proposed mechanism is that OPA can elevate the heart rate (HR) for several hours per day. We aimed to investigate the association between the mean intensity of OPA and HR variability (HRV) indices the following night.

Reliability of the PERFECT scheme assessed by unidigital and bidigital vaginal palpation.

Introduction And Hypothesis: The aim of the present study was to evaluate the inter- and intra-rater reliability of the PERFECT scheme assessed by uni- and bidigital vaginal palpation in young nulligravid women.

Methods: Forty healthy women [median age 22 (19-34) years] were evaluated by unidigital vaginal palpation by both Examiners A and C, while the other 40 participants [median age 23.5 (19-35) years] were assessed by Examiners B and C by bidigital vaginal palpation.

Effect of an ergonomic intervention involving workstation adjustments on musculoskeletal pain in office workers-a randomized controlled clinical trial.

Office workers remain in a awkward position for long periods, which can lead to musculoskeletal symptoms. Ergonomic guidelines are recommended to avoid such problems. Evidence of the long-term effectiveness of ergonomic interventions is scarce.

Inter- and intrarater reliability of unidigital and bidigital vaginal palpation to evaluation of maximal voluntary contraction of pelvic floor muscles considering risk factors and dysfunctions.

Aims: To evaluate inter- and intrarater reliability of unidigital and bidigital vaginal palpation of pelvic floor muscle (PFM) maximal voluntary contraction (MVC) according to PFM risk factors and dysfunctions.

Methods: A total of 187 women were recruited and evaluated by two examiners. Both performed the evaluation of MVC with unidigital and bidigital palpation, graded by Modified Oxford Scale.

Prevalence of multisite pain and association with work ability - Cross-sectional study.

Background: Multisite pain (MSP) has been studied among the working population because it is associated with reduced work ability. In Brazil, studies have investigated pain without addressing MSP and its interference with work ability.

Objective: To evaluate the prevalence of MSP among Brazilian workers from different occupations and to associate MSP with work ability.

Pelvic floor dysfunctions and associated factors in female CrossFit practitioners: a cross-sectional study.

Introduction And Hypothesis: It is known that high-impact exercises can cause an increase in intra-abdominal pressure and provide overload in the pelvic floor structures. We hypothesized that female CrossFit practitioners would report symptoms of pelvic floor dysfunction (PFD) and that there will be factors associated with these dysfunctions.

Methods: The study design is an online cross-sectional survey.

Factors associated with musculoskeletal symptoms and heart rate variability among cleaners - cross-sectional study.

Background: The professionals who perform cleaning activity constitute a major economic sector in Brazil. Cleaners may develop health problems related to the musculoskeletal and cardiovascular systems. It is necessary to understand the working and health conditions of cleaners in Brazil.

Comparison of two methods of sorting recyclable materials on posture among trash sorters in Brazil: a cross-sectional study.

. The aim of the present study was to compare postural exposure between two methods of sorting recyclable materials: manual sorting on a fixed work surface and the use of conveyor belts. .

The association between multisite musculoskeletal pain and cardiac autonomic modulation during work, leisure and sleep - a cross-sectional study.

Background: The prevention and rehabilitation of multisite musculoskeletal pain would benefit from studies aiming to understand its underlying mechanism. Autonomic imbalance is a suggested mechanism for multisite pain, but hardly been studied during normal daily living. Therefore, the aim of the study is to investigate the association between multisite musculoskeletal pain and cardiac autonomic modulation during work, leisure and sleep.

Noninvasive Ventilation as an Important Adjunct to an Exercise Training Program in Subjects With Moderate to Severe COPD.

Background: The primary objective of this study was to investigate whether noninvasive ventilation (NIV) can positively affect exercise capacity, maximum oxygen uptake (V̇ ), and symptoms after a 6-week physical training program for subjects with moderate to very severe COPD.

Methods: 47 subjects with COPD who were enrolled in a physical training program were randomized to either physical training alone or NIV + physical training (NIV-Physical training). Physical training consisted of dynamic aerobic exercises on a treadmill 3 times/week for 6 weeks, for a total of 18 sessions.

Relationship between rearfoot, tibia and femur kinematics in runners with and without patellofemoral pain.

Background: Patellofemoral pain (PFP) is the most common running overuse injury. Excessive rearfoot eversion is commonly considered as a PFP risk factor and the relationship between ankle-foot complex movement and lower limb may be involved with this dysfunction. The purpose of this study was to evaluate the correlation between rearfoot eversion with tibia and femur kinematics in frontal and transverse planes during running in individuals with and without PFP.

Furniture dimensions and postural overload for schoolchildren's head, upper back and upper limbs.

The aim of this study was to evaluate how the fixed furniture dimensions match with students' anthropometry and to describe head, upper back and upper limbs postures and movements. Evaluation was performed in 48 students from a Brazilian state school. Furniture dimensions were measured with metric tape, movements and postures by inclinometers (Logger Tecknologi, Åkarp, Sweden).

Goniometer crosstalk compensation for knee joint applications.

Electrogoniometers are prone to crosstalk errors related to endblocks rotation (general crosstalk) and to the characteristics of each sensor (individual crosstalk). The aim of this study was to assess the crosstalk errors due to endblock misalignments and to propose a procedure to compensate for these errors in knee applications. A precision jig was used to simulate pure ± 100° flexion/extension movements.