|Document ID (ISN)||111677|
|ISSN - Serial title
||0169-8141 - International Journal of Industrial Ergonomics
|Convention or series no.
||Cabešas J.M., Milho R.J.
||The efforts in the forearm during the use of anti-vibration gloves in simulated work tasks
||2011, Vol.41, p.289-297. Illus. 29 ref.
||The objective of this study was to analyze the levels of forearm muscular contraction associated with the use of anti-vibration gloves. Two vibrating tools (multi-cutter and rotary hammer) were used in a simulated work environment. Standard operations were performed by each of the 14 subjects using the two tools. Forearm muscular efforts were measured by surface electromyography (EMG) in four muscles: flexor digitorum superficialis (FDS), flexor carpi ulnaris (FCU), extensor carpi radialis longus (ECRL) and extensor carpi ulnaris (ECU). For the flexor muscles (FDS and FCU), a decrease tendency in the measured EMG was observed when the operations are performed with gloves relative to the bare hand (a reduction of 5-23% in the percentage of maximum voluntary exertion (%MVE)). For the extensor muscles (ECU), a tendency toward increased muscular contraction was observed when the operations were performed with gloves (an increase of 3-20% in the %MVE). No such tendency was found in the ECRL muscle. It is concluded that anti-vibration gloves may increase forearm fatigue in the posterior forearm (ECU muscle) and decrease forearm fatigue in the FDS muscle during operations with the vibrating tools.
||power-driven hand tools; muscular work; vibration protective gloves
||muscle contractor activity; body mechanics; electromyography
||D - Periodical articles
||Noise, hearing and vibration
|Broad subject area(s)