近海かつお一本釣漁業の漁獲物搬出作業における軽労化支援スーツの効果

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  • 髙橋 秀行
    国立研究開発法人水産研究・教育機構水産技術研究所（神栖庁舎）
  • 安田 健二
    国立研究開発法人水産研究・教育機構水産技術研究所（神栖庁舎）
  • 田中 孝之
    北海道大学大学院情報科学研究科

書誌事項

タイトル別名
  • Effect of Work Assistive Suit on Fishermen’s Physical Labor in Fish Unloading Task on a Skipjack Tuna Pole and Line Fishing Boat on Offshore Waters
  • キンカイカツオイッポンズリ ギョギョウ ノ ギョカクブツ ハンシュツ サギョウ ニ オケル ケイロウカ シエン スーツ ノ コウカ

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<p>The main function of work assistive suits is to reduce the burden on the muscles around the waist during stooping, thought to be the one of the causes of low back pain. Since fishermen frequently stoop, the introduction of work assistive suits is highly anticipated. In this study, the effect of a work assistive suit on the fish unloading task in a skipjack tuna pole and line fishing boat on offshore waters was experimentally investigated. A prototype work assistive suit, using carbon fiber-reinforced plastic plates as the elastic body of the suit, was manufactured and provided for the experiment. We measured the activity of the elector spine of four subjects using surface electromyography. The results showed that the muscle activities of the elector spine adjacent to the fourth lumbar vertebrate were significantly reduced in two subjects (the other two did not have successful experiments) and the rate of reduction ranged from 11% to 25%. The muscle activity in the elector spine adjacent to the first lumbar vertebrate was slightly increased in a subject, however, no significant changes were seen in other three subjects. It is expected that the work assistive suit considering actual work of fishermen is developed and disseminated.</p>

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