网球运动不同击球技术摄氧量和心率反应研究

Oxygen Uptake and Heart Rate Response of Different Stroke Skills during Tennis Games

目的:为研究网球运动不同击球技术的摄氧量和心率变化特点,为网球运动的发展、运动训练及其能量消耗的评估提供理论依据。方法:利用间接测热仪器(cosmedK4b2)对21名受试者分别在低球速(30km/h)、高球速(60km/h)各进行一次时常2分钟的原地正手击球、原地反手击球、侧向移动正手击球、侧向移动反手击球、上前正手击球(只在低速进行)、上前反手击球(只在低速进行)、侧向移动正反手交替击球,对其VO_2和心率进行监测。结果:结果显示VO_2值在25.8-37.4mL·kg^(-1)·min^(-1)之间,HR在83.6-157.2次/min之间;结论:在没有移动和向侧移动时,正手击球的VO_2明显低于反手击球;侧向移动击球的VO_2明显高于向前移动击球和侧向移动正反手交替击球;高球速下击球比低球速下击球的VO_2更高。

Objective： This research aims at studying the changing characteristics in oxygen uptake and heart rate （HR） of different stroke skills during tennis games, and laying a theoretical foundation for the advancement of tennis, training and the evaluation of energy consumption. Methods： the indirect calorimetry instrument （cosmed K4b2） is introduced to monitor 21 volunteers who are required to anticipate in situ forehand stroke, situ backhand stroke, lateral movement forehand, lateral movement backhand, approached forehand （only at low velocity）, approached backhand （only at low velocity）, and lateral movement alternating forehand and backhand stroke. Each activity lasts two minutes at comparative low velocity （30km/h） and high velocity （60km/h） separately. Each stage produces a set of VO2 and HR data. Results： Those statistics indicate that the average level of VO2 ranges from 25.8-37.4mL·kg^-1·min^-1, and the HR ranges from 83.6 times per minute to 157.2 times per minute. Conclusions： VO2 level of forehand stroke is significantly lower than back- hand stroke when there is no movement and side movement, VO2 during side movement stroke is higher than front movement stroke and lateral movement alternating forehand and backhand stroke, and stroke at higher velocity requires more VO2than the one at lower velocity.