درخت حوزه‌های تخصصی

Background: Myofascial pain syndrome (MPS) is caused by sensitive spot in muscles that are known as trigger points (TPs) which can have complications that can affect person's quality of life. Massage and self-myofascial-release (SMR) are two non-invasive techniques which are used to reduce the side effects of TPs. Aim: The present study is intending to compare the effect of the two mentioned techniques in reducing complications caused by TPs such as reduced ROM and pain in women with MPS of the trapezius muscle. Materials and Methods: 45 women aged 20-25 years with active TPs in the trapezius muscle were randomly divided into two experimental groups and one control group. The research process was one week which consists of pretest, 5 days intervention and post-test. The variables included pain measured by OBER questionnaire and ROM of neck measured by goniometer. Results: The results of the study showed that massage can have a significant effect on the ROM of neck including neck flexion (P= 0.00), extension (P= 0.00), left (P= 0.00) and right (P= 0.004) lateral flexion and left (P=0.00) and right (P= 0.04) rotation (P<0.05). Both massage and SMR interventions had a significant effect on reducing pain measured by OBER questionnaire (P<0.05). Conclusion: Findings of this study showed that myofascial release massage can have better effects on increasing neck ROM. Both treatment modalities are useful in reducing pain. Based on the obtained results, we recommend that specialists use massage intervention instead of myofascial self-release (SMR) for individuals suffering from MPS and neck pain, in order to achieve quicker and more extensive results.

Background : Work-related musculoskeletal disorder is the most important occupational disease that threatens the health of employees. Aim: The aim of this study was to investigate the relationship between workers' posture and musculoskeletal disorders. Materials and Methods: Eighty-two male and female workers working in a home appliance factory participated in this cross-sectional study. Musculoskeletal disorders were investigated using Nordic questionnaires. Posture evaluation was performed to measure the angles of forward head, rounded shoulders, and thoracic kyphosis using photogrammetry. Craniovertebral, shoulder, and thoracic kyphosis angles were photographed during the work and then measured using ImageJ software. Data analysis was done using SPSS 26 and Spearman's correlation test at a significance level of 0.05. Results : A significant relationship between the craniovertebral angle and musculoskeletal disorders in the last twelve months was observed in the cervical region ( P <0.001). Also, a significant relationship was observed between the kyphosis angle and musculoskeletal disorders in the last twelve months in the upper back and lower back ( P <0.001). Conclusion : The results showed that the workers’ posture during work is correlated with the prevalence of musculoskeletal disorders. Therefore, it is suggested to pay attention to ergonomic principles during work to maintain and improve the physical health of workers.

Background: Instrument Assisted Soft Tissue Mobilization (IASTM) and electrotherapy have shown to help alleviating post-operation complications and affect gait kinematics and muscle strength.Aim: This case study aimed to manage the post-operative complications in a patient with investigate excessive ankle stiffness with kinetics, kinematics and Electromyography (EMG) approach.Materials and Methods: A 41-year-old female with post-operation complications including decreased right ankle range of motion (ROM) and strength underwent a 12-week of IASTM and Electrotherapy. Gait analysis was performed before and after the intervention.Results: The results showed notable improvements in ankle 3-dimensional (3D) ROM, power, moment, velocity, cadence, step length, ground reaction force (GRF) and decreased stiffness, muscles activity, single and double support time. Ankle dorsiflexion ROM was not notably increased during gait.Conclusion: Findings suggest that a 12-week intervention of IASTM and electrotherapy can improve gait mechanics and reduce muscle activity in a patient with excessive ankle stiffness.