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幼児の四肢運動環境構成による協調運動能力の形成
Get PDF論文(Article)本研究は，幼児の怪我防止を四肢運動技能の発達の視点から検討した．Ａ市の四肢運動実施状況は，サーキット等で実施（週１回以上）群59名，遊戯室等の移動導線上に常設（ほぼ毎日）群97名，未実施群40名の３群に分け，独立変数を四肢運動環境（３群），従属変数をMKS幼児の運動能力検査の評定点とする，対応のない１要因の分散分析を行なった．その結果，統計的に有意な主効果が認められた，多重比較の結果，25m走においては，未実施の平均点は他の２群よりも有意に低かった．体支持持続時間においては，遊戯室等の移動導線上に常設（ほぼ毎日）の平均点は，他の２群よりも有意に高かった．
走動作，体支持持続時間には，四肢と体幹群の協応性，協調運動が必要であり，本研究で開発した四肢運動環境構成は保育者が課題だと考えている幼児の姿勢形成への効果が期待できる．journal articl
Interpersonal coordination analysis in bat-and-ball sports under a real game situation: Asymmetric interaction and delayed coupling
Get PDFapplication/pdfThis study investigated the interpersonal coordination between the pitcher and the batter in bat-and-ball sports. Although the importance of interpersonal coordination is widely accepted in many sports, no studies have investigated it in bat-and-ball sports because the dominant task constraints surrounding the interaction between pitcher and batter make it difficult to apply conventional analytic techniques. To address the issue, this study proposes a new analytical framework to investigate interpersonal coordination in bat-and-ball sports under a real game situation with two main characteristics: asymmetric interaction and delayed coupling. First, the dynamic time warping technique was used to evaluate the stability of the head movement pattern of the pitcher and batter, and cross-correlation analysis was used to quantify the temporal relationship between them. We found that the head movement pattern of batters was significantly more unstable than that of pitchers, and approximately 60% of the variance of the change in the head movement pattern of batters could be explained by that of the pitchers. Moreover, expert batters followed a pitcher’s movements with a specific time delay of approximately 250 ms. These findings highlight the characteristics of interpersonal coordination in bat-and-ball sports: the pitcher can make a pre-patterned stable motion, whereas the batter needs to follow and adjust their movement to it. Although the effects of prediction ability need to be investigated to understand its detailed mechanism, the contribution of this study is that it revealed the existence of the interpersonal coordination between the pitcher and batter of bat-and-ball sports under a real game situation.journal articl
Cancer screening rate and related factors in the Japanese child-rearing generation
Get PDF新潟医療福祉大学Niigata University of Health and Welfare博士(保健学)application/pdfHealthcare 2022, 10(3), 508.33111甲第91号doctoral thesi