Carpet Weavers in Iran

Carpet hand weaving is common in many countries such as Iran, Pakistan, Afghanistan, India, Turkey, China, Egypt, Russia, and Nepal. The production of handwoven rugs is one of the most important parts of the small industry [1]. About 12.2% of Iranian households derive more than 40% of their total income from carpet weaving [2]. Carpet weaving is a monotonous profession that requires long hours of static work. Due to uncomfortable posture, repetitive movements, contact stress, and prolonged work time, it is a high-risk occupation for the development of musculoskeletal disorders (MSD).

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MSDs are a common health problem and one of the leading causes of disability worldwide. The economic loss of MSDs affects individuals and societies [5]. Work-related MSDs are a key problem in developing countries [4]. The prevalence of musculoskeletal disorders in Iranian carpet weavers is higher than in the general Iranian population, and outbreaks of symptoms in the upper extremities are higher than in other extremities [6]. Many factors such as psychosocial, personal, professional and social are important in the prevalence of musculoskeletal disorders [7], [8].

In recent years, researchers have been studying risk factors related to the development of MSDs. The effect of workstation design on the prevention of musculoskeletal disorders was investigated in the handwoven carpet industry [5] and the prevalence of upper extremity problems associated with hand tool design among the weavers. of carpets [9]. Furthermore, the association between sex difference and work-related stress with the prevalence of AMD has been explored in weavers [4]. Factors associated with upper extremity SMDs among carpet weavers were examined using logistic regression [3] and the relationship of SMDs among carpet weavers to working conditions [1]. In another study, musculoskeletal disorders were examined among office workers [10]. Recently, the continuous assessment of upper arm and back postures and estimation of inactivity of biomechanical load using inclinometers has been investigated [11] and the prevalence of musculoskeletal pain and its association with psychosocial factors among weavers. of hand-woven rugs in Iran [8]. The impact of traditional and ergonomic workstations on torso posture and cumulative compressive load was evaluated in carpet weavers [12]; the researcher tried to estimate the prevalence of MSD or any relationship between MSD and many factors.

The relationships of some occupational and individual factors with the number of occupational accidents were evaluated by Poisson regression at zero inflation with random effects [13]. Poisson regression models with random intercept were adapted to explore the prevalence of musculoskeletal pain considering personal, professional, and social characteristics in 28 countries [7].

Therefore, the identification of related factors to reduce these disturbances among carpet weavers is important. In the previous study [3], we did not find any research identifying the types of factors that cause the number of MSD body parts to decrease or increase among carpet weavers using counting patterns. The aim of current research is to investigate personal and professional factors in the development of musculoskeletal disorders to introduce factors that influence the frequency of musculoskeletal disorders among Iranian carpet weavers.

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