Lim In-Soo
Department of physical education, Changwon National University, Changwon, Republic of Korea.
Phys Act Nutr. 2024 Dec;28(4):70-74. doi: 10.20463/pan.2024.0034. Epub 2024 Dec 31.
Archery is a representative sport requiring high levels of concentration. Accordingly, assessing participants' physiological and psychological factors related to tension, anxiety, and stress represents a valuable resource for enhancing performance. This study examines the impact of L-theanine administration on archers' cognitive anxiety levels, salivary alpha-amylase (sAA), and salivary cortisol (sC) in archery competition.
The study included 18 athletes from women's colleges who participated in the 50-meter individual competition at the 40th president's cup national archery competition in June 2023. Athletes' anxiety levels were assessed on a Likert scale, ranging from 1 "not at all" to 10 "extremely anxious." Saliva samples were collected 30, 20, and 10 minutes before and 20 minutes after the game. Repeated measures of the general linear model ANOVA were performed to compare the mean values of sAA and anxiety level.
Cognitive anxiety levels were significantly reduced in the treatment compared to the placebo group at 10 minutes before the game (p<.05); sAA levels were significantly reduced in the treatment group compared to the placebo group at 20 and 10 minutes before the game (pre-20 and pre-10, respectively); and sC levels were significantly reduced in the treatment compared to the placebo group at 10 minutes before the game (p<.05).
The findings demonstrate that L-theanine treatment is an efficacious intervention for reducing cognitive anxiety, sAA, and sC levels in sports. Therefore, it is recommended to alleviate competitive anxiety in sports requiring high concentration levels such as archery.
射箭是一项需要高度专注力的代表性运动。因此,评估参与者与紧张、焦虑和压力相关的生理和心理因素是提高成绩的宝贵资源。本研究考察了服用L-茶氨酸对射箭比赛中弓箭手认知焦虑水平、唾液α-淀粉酶(sAA)和唾液皮质醇(sC)的影响。
该研究纳入了18名来自女子学院的运动员,她们参加了2023年6月第40届总统杯全国射箭比赛的50米个人赛。运动员的焦虑水平采用李克特量表进行评估,范围从1“一点也不”到10“极其焦虑”。在比赛前30分钟、20分钟和10分钟以及比赛后20分钟收集唾液样本。采用重复测量的一般线性模型方差分析来比较sAA和焦虑水平的平均值。
与安慰剂组相比,治疗组在比赛前10分钟时认知焦虑水平显著降低(p<0.05);与安慰剂组相比,治疗组在比赛前20分钟和10分钟时sAA水平显著降低(分别为赛前20分钟和赛前10分钟);与安慰剂组相比,治疗组在比赛前10分钟时sC水平显著降低(p<0.05)。
研究结果表明,L-茶氨酸治疗是一种有效降低运动中认知焦虑、sAA和sC水平的干预措施。因此,建议在射箭等需要高度专注力的运动中减轻比赛焦虑。