Impact of Complex Training on the Lower Limb Explosiveness and Action Response of Fencers

• Main Authors: WANG, San-Tsai, 王三財
• Other Authors: Chen, Yi-Liang
• Format: Others
• Language: zh-TW
• Published: 2018
• Online Access: http://ndltd.ncl.edu.tw/handle/j699uw

博士 === 臺北市立大學 === 競技運動訓練研究所 === 106 === ABSTRACT Purpose: The study aims to explore the content of the complex training for 5 weeks in different training and observing the influence situation of complex training on isokinetic muscle strength of lower limb toward the same muscle group, and whether any difference exists depending on the training order for the two training groups. Methods: The subjects of the study were 33 fencers in senior high schools (Average age 16±0.8 years old with average height 168.6±6.9 cm as well as average weight 60.7±11.3 kg), who were divided into two groups randomly: One was (W+P) group (implementing plyometric training after weight training) and the other was (P+W) group (Implementing weight training after plyometric training) for a 5-week training plan. Furthermore, plyometric training was implemented for three times a week and 60 minutes at each time in the two groups respectively as a part of the training plan. The Split-Plot design analysis was made on the research data to compare whether there is a significant difference on the muscle power of lower limb between the two kinds of complex training in different order. The change rate before and after training was computed by the formula of “(post-test value - pre-test value)/pre-test value*100%” with the significant level of α=.05. Results: The study found that the research results showed significant differences in peak torque(n-m), peak torque to body weight(%), average power (Watts) and average torque(n-m) of flexors of the dominant leg for knee joint at 60°/s for P+W and W+P groups respectively, while it also had significant differences for extensors with peak torque (n-m), peak torque to body weight (%), average power (Watts) and average torque(n-m). No significant differences exist in using the flexors and extensors of the non-dominant leg at 60°/s. In sum, it showed no significant differences after training in peak torque (n-m), peak torque to body weight (%), time to peak torque (Msec), total volume of work (j), average power (Watts) and average torque (n-m) for flexors and extensors of the dominant and non- dominant leg for knee joint at 180°/s in the P+W and W+P groups respectively. Results: (1) There were significant differences in anaerobic capacity (W/Kg) in the 30-second Wingate anaerobic test. However, the differences in anaerobic power (W/Kg), maximum power (W), average power (W) and fatigue index (W/s) were not significant. After training, the performance of these indicators was significantly enhanced. Except for anaerobic capacity, there were no inter-group differences in terms of other four indicators. (2) In the body composition test, body weight (Kg), fat mass (g) and fat percentage (%) decreased slightly in the (P+W) group, while muscle mass (g), bone density (g/cm2) and bone mass (g) increased. In the (W+P) group, all items were improved. The performance of both groups was significantly improved after training, and there were no differences between the two groups. (3) The pre-test and post-test performance of countermovement jump (CMJ) (cm) and shonen jump (SJ) (cm) showed no significant differences in the (P+W) group, but it was significantly improved after training. However, in the (W+P) group, the performance of CMJ (cm) and SJ (cm) became worse after training. There were no differences between the two groups. (4) The nervous response (sec) in the (P+W) group and the action response (sec) in the (W+P) group were shortened, while the action response (sec) in the P+W group and the nervous response (sec) in the W+P group increased. There were no significant differences in the pre-test and post-test and there were no inter-group differences. Conclusion : (a) 5-week compound training at the 60°/s conventional foot flexor torque program, followed by an increase training and a weight training group, which can significantly increase the maximum torque of lower limb isokinetic knee flexors, 60°/s non-usually used foot reach Peak torque time has improved significantly after training. (b) When the knee joint speed is 180°/s, the speed of the knee joint becomes shorter, the contraction time is shorter, the number of muscle participating units becomes smaller, and the degree of excitement also becomes lower, which may result in a decrease in the strength. (c)The complex training showed significant improvement in anaerobic power, body composition, lower limb explosiveness and action response time of fencers. It is recommended to include complex training in regular training to enhance training outcome. Keywords: Plyometric Training, Muscle Power, Dominant Leg