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Routinely, in different manufacturing activities, the hands are used as tools in manual assembly where the palmar prehension force exerted, will be responsible for the final tightening and torque, without, however, verifying which sex will perform such activity. This article aims to quantify electromyographically in 40 healthy volunteers of both sexes, palmar grip strength for a pre-established force of 40 Newtons controlled by a dynamometer for ten seconds, verifying if the minimum ergonomic comfort is being served for both sexes. The method relied on extensive literature research on the subject, use of a dynamometer and a two-channel electromyograph with surface sensors. The result indicated a significant difference between the sexes and concluded that the female to perform the same activity and duration, has a greater wear and, therefore, requires a condition of ergonomic comfort differentiated from

OTIMIZAÇÃO DO TEMPO DE VIDA ÚTIL DE ELETRODOS UTILIZADOS EM UM PROCESSO DE SOLDA NA CARROCERIA EM UMA EMPRESA AUTOMOBILÍSTICA