Effects of Two Different Resistance-Training Programs on Mean Tennis-Serve Velocity in Adolescents

in Pediatric Exercise Science
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  • 1 German Sport University Cologne
  • | 2 East Stroudsburg University
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The purpose of the current study was to evaluate the transferability of 2 different resistance training protocols on service velocity and its precision consistency in junior tennis players. Thirty-six male athletes (15.03 ± 1.64 years) were randomly assigned to a machine-based resistance-training group (RG, n = 12), a plyometric training group (PG, n = 12), and a control group (CG, n = 12). For a period of 8 weeks, both intervention groups resistance trained 2 days per week in addition to their regular tennis training, whereas the CG had no extra training. Mean service velocity over 20 maximum-velocity serves increased significantly more in PG (3.78%; p < .05) when compared with CG, whereas no such changes could be found in the RG (1.18%; p > .05). Service precision did not change from pre- to posttest in all three groups (p > .05). Only the plyometric training program tested, improved mean service velocity over 20 maximum-velocity serves in junior tennis players but did not affect service precision.

Behringer, Neuerburg, and Mester are with the Institute of Training Science and Sport Informatics, German Sport University Cologne, Cologne, Germany. Matthews is with the Dept. of Exercise Science, East Stroudsburg University, East Stroudsburg, Pennsylvania.