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- Material Type
- 文書・図像類
- Author/Editor
- 稲田, 絵美
- Author Heading
- Publication, Distribution, etc.
- Alternative Title
- Analysis of the development of eating motion. : New device and method to quantitatively evaluate the movement of the eating motion.
- Text Language Code
- jpn
- Subject Heading
- Target Audience
- 一般
- Note (General)
- 2011-2012年度科学研究費助成事業(科学研究費補助金(若手研究(B))研究成果報告書 課題番号：23792437 研究代表者：稲田絵美(鹿児島大学・医学部・歯学部附属病院・助教)小児の一連の食事動作における上肢や体幹と口の動態を解析し、協調的運動の関連性、ならびにその発達過程を解明するため、先行的に成人の食事動作についてモーションキャプチャを用いて解析を行った。 その結果、健康な成人においては、口腔内に取り込む食物の大きさが大きくなると、開口量が増加し、体全体はより前下方へ前傾するものの、頭部は後屈させることで床に対する頭の傾きはほぼ一定を保つことが明確になった。さらに性差を調べたところ、捕食の際、女性の方が前かがみになることなく、安定した頭位を維持している可能性が示唆された。We analyzed head and mandibular movements with intake of different-sized food pieces during realistic eating. Head, body and mandibular movements of 20 healthy young adults eating the apple pieces were simultaneously recorded in three dimensions by a wireless opto-electronic system. And linear motion, and the inclination angle of the head and upper body, and mouth opening range were compared during intake of different-sized apple pieces. Mouth opening, head-neck rotation angle and the amount of upper body forward translation and inclination increased with larger apple pieces. However, isolated relative head motion was stabilized. We conclude that upper body forward motion and head-neck rotation assist mouth opening while stabilizing head orientation, and that the range of head-neck rotation angle, upper body translation and range of mouth opening change with food size during realistic eating.