高校女子スポーツ選手における膝前十字靱帯損傷の発生と心理学的競技能力の関連性

Relationship between Psychological Competitive Ability and Occurrence of Anterior Cruciate Ligament Injuries in Female High School Athletes

　目的：高校女子スポーツ選手において膝前十字靱帯(ACL)損傷の発生と心理学的競技能力の関連性を前向きに調査すること．

　対象と方法：高校女子ハンドボール部・バスケットボール部員101例に対し，入学時に心理学的競技能力診断検査(DIPCA.3)を行い，卒業までの3年間でのACL損傷の発生を記録した．

　結果：6例(5.9％)にACL損傷が発生した．DIPCA.3の総得点および多くの項目で損傷群が有意に高得点を示した．

　まとめ：選手の心理学的競技能力特性はACL損傷の危険因子の1つである可能性が示された．

　Purpose：The purpose of this study was to investigate the relationship between the psychological competitive ability of female high school athletes and the occurrence of ACL injuries.

　Methods：A 3-year prospective cohort study of 101 female high school handball and basketball players was conducted.　Psychological competitive ability was assessed by a self-administered questionnaire, the DIPCA.3.　After the baseline examination all athletes were followed up for 36 months to register occurrences of ACL injuries, and we then compared the psychological competitive ability of the injured athletes and uninjured athletes.

　Results：Six (5.9%) of the 101 athletes sustained an ACL injury.　The group of athletes who sustained an ACL injury had significantly higher total DIPCA.3 scores and significantly higher scores on several DIPCA.3 scales than the group with no ACL injuries.

　Conclusions：The occurrence of ACL injuries can be influenced by psychological factors.　The results of this study suggested that understanding the characteristics of athletes related to their psychological competitive ability may lead to improved prevention of ACL injuries.