摘要
目的:探讨8周二级和五级健身健美操锻炼对女大学生健康体适能及视觉诱发电位指标的影响。方法:选取45名健康女大学生志愿者,随机分为空白对照组、二级锻炼组和五级锻炼组3组。其中,二级锻炼组进行《大众健美操锻炼标准》二级规定动作锻炼(节奏为135拍/分钟),五级锻炼组进行五级规定动作锻炼(节奏为148拍/分钟),每次锻炼1小时,每周3次,为期8周;空白对照组按原来作息规律生活。测试三组学生实验前后的健康体适能指标。采用NDI-200(海神号)神经电检诊仪分别于实验前、后,记录分析所有受试者中方格图形翻转刺激下视觉诱发电位的波形,并比较其潜伏期、峰间期、峰峰值的变化。结果:①与实验前相比,两锻炼组实验后仰卧起坐次数、最大摄氧量值、坐位体前屈值均显著增加(P<0.01),五级锻炼组增值均大于二级锻炼组。②与实验前相比,二级和五级锻炼组视觉诱发电位潜伏期均缩短,其中五级锻炼组P100潜伏期显著缩短(P<0.01)。③实验前后三组视觉诱发电位峰间期、峰峰值均无显著性差异(P>0.05)。结论:持续8周的健身健美操锻炼能够显著提高锻炼者的健康体适能水平及缩短视觉诱发电位P100潜伏期,且五级锻炼组效果大于二级锻炼组。
Objective To investigate the effects of 8-week Grade 2 and 5 Aerobic Dances on physical fitness and visual evoked potentials （VEPs） of female students. Methods （1） Forty five female student volunteers were randomly divided into three groups： control group （C）, Grade 2 （G2） and 5 （G5） Aerobic Dances groups. The aerobic dances groups took part in Chinese National Aerobic Dance Grade 2 （135 tempo / rain） and 5 （148 tempo / min） separately, lh/day, 3 days/week, for 8 weeks. （2） Physical fitness in three groups was compared before and after 8 weeks. （3） The NDI-200 neural electricity tester （Haishen） was applied to measure the PR-VEPs in all subjects before and after the experiment, and the changes in VEPs latencies, inter-peak latencies and peak to peak amplitudes were compared. Results （1） The number of sit-ups with 90° knees flexion and sit-and reach, and maximum oxygen uptake of both groups G2 and G5 increased significantly （P 〈0.01 ）, especially in group G5. （1） As compared with the pre-test, the VEPs latencies in both groups G2 and G5 shortened, and the VEP P100 latency shortened more significantly in group G5 （P 〈0.01）. （3） No significant differences were found in both the VEPs inter-peak latencies and peak to peak amplitudes among the three groups （P 〉0.05）. Conclusion Both Grade 2 and 5 Aerobic Dances could improve the physical fitness and shorten the VEP P100 latency, especially the Grade 5 Aerobic Dance.
出处
《中国运动医学杂志》
CAS
CSCD
北大核心
2010年第1期18-21,共4页
Chinese Journal of Sports Medicine
关键词
健美操
体适能
视觉诱发电位
潜伏期
aerobic dance, physical fitness, visual evoked potentials, latency
