The Relation Of The Footwork Speed And Th Efield Test In a Junior Tennis Player

Introduction
In tennis, in order to train the prominent player, it is very important to raise physical strength effectively in one’s junior
days. The modern tennis needs the high speed movement in physical and high speed rally tactically. The footwork
speed in tennis is accordingly more essential. The purpose of this study is to grasp the relation between footwork speed,
basic physical strength, and the physical field tests of tennis is grasped for a junior tennis player, and it is in obtaining
the data about future physical strength training..

Methods
The subject used 23 junior male tennis players from 12 years old to 18 years old. The phototube was used as footwork
speed and the time of the round trip from a center mark to the sideline of singles was measured. (It has a racket and an
actual hit ball is carried out) The field test and the basic physical test were performed as special physical strength again,
and the relation was considered. The relationship between sideway movement agility test and the physical field tests are
tested with the Pearson’s coefficient of correlation. The level of significance is used under 5% (p<0.05).

Results / Discussion
Consequently, the speed of a motion in the direction of a forehand and backhand, the time of the field test (10m
running, Round trip running, 5 direction running) of speed and agility, and the side step test had significant correlation.
On the ground of our observations, it is suggested that the repeated speed between the center mark and singles side line
is composed of the two factors, the speed and the agility or quickness of the physical strength. Therefore, it was guessed
that taking in dash practice in order to train footwork in the form near a motion of tennis on a coat and to make speed of
the motion quick is connected with raising the speed of the whole footwork.

References
[1]. Yoji Sato and Kaoru Umebayashi et al. (2000). The Acceleration of Rally Tempo in Modern Tennis: Annual Report
of Gakushuin University, Vol.8, p.26-34
[2]. ASC (Australian Sports Commission) : Physiological Tests for Elite Athletes, p.130-144, 383-403

NOTA: O texto com a iconografia está no anexo.

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