Risk Factor Analysis of Myofascial Pain Syndrome Upper Trapezius Muscle in Tea Leaf Pickers

Salsabila Hilwa Syafina, M. Riza Setiawan, Merry Tiyas Anggraini


Upper trapezius pain is a common musculoskeletal disease with 30% -50% of people experiencing it for
year. Myofascial pain syndrome is the cause of pain in the upper trapezius muscle. Tea leaf picking
workers work with the head tilted down for a long time plus carrying the picks on one side of the
shoulder can cause complaints of pain and muscle tension. The purpose of this study was to determine
what are the risk factors that can cause myofacial pain syndrome in tea leaf pickers. This study was an
analytic observational  with a cross sectional approach. The research was conducted at PT. Pagilaran
Tea Plantation, Batang regency,  sample size of 54 people taking samples using consecutive sampling.
The instrument used for the work position used the REBA, assessment of the incidence of myofacial
pain syndrome using a diagnostic criteria examination methods of data collection using interviews,
observation, and examination. Data analysis with chi squre test. The majority of workers work with long
working period, (88.9%), and most workers lift loads that exceed their capacity (71.1%) and work
positions that have a high risk (62.2%). There is a relationship between working period, carrying weight,
work position with incidence of myofacial pain syndrome upper trapezius muscle. Long working period,
heavy carrying loads exceeding capacity and high-risk work positions are risk factors for the incidence
of myofacial pain syndrome in the upper trapezius muscle in tea leaf pickers.

Keyword : Myofacial pain syndrome upper trapezius muscle, working period, load weight, work

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