Intervallergometrie — eine Möglichkeit der Leistungsdiagnostik im Tennis

  • M. Weiss
  • R. Schönborn
  • H. Kasperl
  • H. Rieder

Summary

In the project “talent research in juvenile tennis players„ we studied spiroergo-metric parameters over a 4 year period. Physiological and ergometric parameters are necessary when assessing physical performance and health. Since we did not find enough correlations between sport-specific performance and results of standard ergometric tests, we tried tests with tennis-specific modifications. Twenty-seven tennis players aged 12 to 18 years underwent stepwise increasing bicycle ergometer tests to exhaustion (5 min 1 watt/kg, 5 min 2 watt/kg, then increasing 0,5 watt/kg each minute). The next day an interval test was done with 90% of watt max 10 × 30 sec, interrupted by 30 sec active regeneration at 1 watt/kg. Spiroergometric parameters and lactate concentrations were measured every 2 min. Parameters rose until 6 min, then reached an approximate steady state with values of 3.9 ± 1.3 mmol/l lactate, 155 ± 11 b/min HR, 38.8 ± 5.1 ml, O2/kg = 76% VO2 max, 58.0 ± 14.9 l/min pulmonary ventilation. Motor and sportspecific control parameters were derived from motor tests and tennis rank lists using a comprehensive rating scale.

There was no significant correlation between rating skales and physiological parameters. Dividing the collective into groups who reached steady states in lactate concentration and heart rate or not, who had high and low %VO2 max., and whose heart rates in the interval test exceeded the heart rates at anaerobic threshold or not, showed significant correlations: better ranked tennis players had HR more than 15 beats below the HR at anaerobic threshold, steady state is dependent on better physiologicai and motor preconditions. To improve interval testing methods, standardization is necessary. From our experiences, we recommend intervals of 30 sec with a load of 4 W/kg lean body weight.

Interval Ergometry — A Possibility for Assessment of Performance in Tennis

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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • M. Weiss
  • R. Schönborn
  • H. Kasperl
  • H. Rieder

There are no affiliations available

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