การเปรียบเทียบผลของการฝึกเทนนิสระหว่างโปรแกรมการจับไม้มือเดียวกับโปรแกรมการจับไม้สองมือที่มีต่อความสามารถของผู้เริ่มฝึกกีฬาเทนนิสวัยเด็ก / ชัยวิชญ์ เหลี่ยมไพรบูรณ์ = The comparison of tennis training effects between the one-handed grip and two-handed grip program on the ability of young tennis beginners / Chaiwit Leampriboon
The purpose of this research was to investigate and compare tennis training effects between the one-handed grip and two-handed grip program on the ability of young tennis beginners. Samples used in this research were applicants, between seven to ten years of age, who practiced tennis in the Project of Youth Development into Professional Tennis Players of the Lawn Tennis Association of Thailand. Each subject was pretested with Hewitt’s Tennis Achievement Test only in forehand groundstroke. Then, were matchedly assigned into two groups of 15 subjects as the experimental group I one-handed grip program, and group II two-handed grip program. All two groups practiced the tennis skills for 60 minutes a day, three days a week for 8 weeks. The subjects were tested at 3 different periods, as to before training, after 4 weeks training, and after 8 weeks training on forehand and backhand skills. The obtained data were analyzed in terms of means and standard deviations, t-test, One-way analysis of variance with repeated measures and LSD (Least significant differences) were employed for statistical significance at the .05 level. The results were as follows: 1.The average in forehand of the group I before training, at the end of the fourth and the eighth weeks were significantly different among each group at .05 level. But backhand of the group II before training, at the end of the fourth and the eighth weeks were not significantly different. 2.The average in forehand and backhand of the group II before training, at the end of the fourth and the eighth weeks were significantly different among each group at .05 level. 3.The average in forehand and backhand between group I and group II before training, at the end of the fourth and the eighth weeks were not significantly different. It could be concluded practicing tennis one-handed grip program was not significently different from two-handed grip program.