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When observing how a curve behaves near a specific point along the horizontal axis, there are cases where the curve’s height increases or decreases without limit as the position draws closer to that point. The curve does not settle at any particular value; instead, the values grow more extreme—upward or downward—the nearer they get. No defined value exists exactly at that location, yet the surrounding behavior becomes more dramatic, indicating a sharp change in direction.The...
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Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task
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Análisis de la fluctuación del rendimiento a nivel de golpe en el tenis de mesa de élite

Wenxuan Yu1, Zheng Zhou1, Hui Zhang1

  • 1Department of Sports Science, College of Education, Zhejiang University, Hangzhou, Zhejiang Province, 310058, China.

BMC sports science, medicine & rehabilitation
|January 10, 2026
PubMed
Resumen
Este resumen es generado por máquina.

Jugadores de tenis de mesa de élite

Palabras clave:
fluctuación del rendimientodeportes de raquetaconsistencia del golpeanálisis técnico y táctico

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Área de la Ciencia:

  • Ciencias del Deporte; Biomecánica; Análisis del Rendimiento

Sus antecedentes:

  • El tenis de mesa exige alta intensidad y ejecución técnica estable.
  • La investigación previa pasó por alto la estabilidad del golpe, centrándose en métricas psicológicas o de puntuación.
  • Se introduce una nueva métrica, la Fluctuación del Rendimiento del Golpe (SPF), para evaluar la estabilidad del golpe.

Objetivo del estudio:

  • Introducir y validar la métrica de Fluctuación del Rendimiento del Golpe (SPF).
  • Analizar las diferencias de estabilidad del golpe entre géneros, niveles competitivos y progresión del partido.
  • Proporcionar un indicador novedoso de rendimiento técnico-táctico para el tenis de mesa de élite.

Principales métodos:

  • Análisis de 29.406 golpes de 100 partidos de tenis de mesa de élite (2021-2025).
  • Cuantificación del SPF como la desviación entre la Probabilidad de Ganar el Rally (RWP) y la Probabilidad Esperada de Ganar el Rally (ERWP).
  • Comparación del SPF entre géneros, niveles competitivos y etapas del partido.

Principales resultados:

  • Los jugadores masculinos mostraron mayores fluctuaciones en los golpes que las jugadoras en varios golpes.
  • Los mejores jugadores demostraron una mayor consistencia en el servicio, la recepción y las técnicas ofensivas.
  • El rendimiento del golpe disminuyó en las últimas etapas del partido para emparejamientos de técnicas específicas (por ejemplo, Touch Short vs. Pendulum).

Conclusiones:

  • La Fluctuación del Rendimiento del Golpe (SPF) ofrece una medida robusta de la estabilidad del golpe en el tenis de mesa de élite.
  • El SPF revela diferencias significativas de género y nivel competitivo en la consistencia de los golpes.
  • Esta métrica proporciona información práctica para que los entrenadores mejoren la resiliencia y el rendimiento de los jugadores a través de intervenciones específicas.