PREVALENCE OF TENOSYNOVITIS AND OTHER INJURIES OF THE UPPER EXTREMITIES IN REPETITIVE WORK

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Abstract
The purpose of this investigation was to compare the prevalence of soft tissue disorders in the neck, arms and hands between packers doing repetitive work and shop assistants with variable tasks. Female assembly-line packers 152 in a food production factory and 133 female shop assistants were interviewed about their symptoms and given a clinical examination of the neck and upper extremities. The number of cases of neck tension, cervical syndrome, scalenus syndrome and humeral epicondylitis did not differ significantly between the 2 groups. The prevalence of tenosynovitis and humeral tendonitis was significantly higher for the assembly-line packers. The packing work consisted of static muscle work by the arms, grasping and maximal extensions of the fingers, and lateral deviations of the wrists. The movements numbered up to 25,000 workday. A relationship between some work load factors and some disorders of the upper extremities is probable.

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