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Analysing physical fitness and biomechanical factors that determine tennis serve performance

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Author(s): Ertuğrul Gelen | Sami Mengütay | Mustafa Karahan

Journal: International Journal of Human Sciences
ISSN 1303-5134

Volume: 6;
Issue: 2;
Start page: 666;
Date: 2009;
Original page

Keywords: Tennis | serve | ball velocity | fitness | serve kinematics

ABSTRACT
The purpose of the study is to analyse the fitness and the biomechanical factors which determine the velocity of the ball during serve in tennis (VBTS). The subjects of the study were fifteen male tournament level tennis player between the ages of sixteen and twenty five (18,8 ± 2,70 age/year). The physical fitness measurement of the study were; length, body weight, skinfold, diameter, circumference and length of the body, body composition, isometric handgrip strength, vertical jump, upper extremity range of motion (ROM) and isokinetic strength. The angular velocity of racket head, racket handhold, middle finger, wrist, elbow, shoulder and hip joints on three axis during serve shoot were used for the biomechanical measurement. The relationship between VBTS with physical fitness and biomechanical factors were measured with Pearson Correlation.The analysis showed that there was significant positive relation between VBTS and length, negative relation with mesomorphy; positive relation between ROM of shoulder dominant internal and external rotation, trunk hyper-extension, left lateral flexion and right rotation, negative relation in dominant wrist flexion, positive relation between isokinetic strength characteristics such as shoulder and elbow extension, shoulder internal and external rotation, wrist flexion, handgrip isometric strength, also in biomechanical measures, positive relation between in Y axis elbow, wrist, finger and head of the racket.As a result, fitness and biomechanical parameters that are intensively used in tennis determine VBTS. We think trainers may speed up VBTS by improved parameters and accelerated training programmes.
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