Análisis de la fiabilidad inter-sesión de las medias para la fuerza, potencia y velocidad en la realización de test-retest para press de banca

  1. Baena-Morales, S. 1
  2. Bautista, I. 1
  3. Chirosa-Ríos, L.J. 1
  4. Chirlas-Ríos, I. 1
  5. Martín-Tamayo, I. 1
  6. García-Moreno, J.M. 1
  1. 1 Universidad de Granada
    info

    Universidad de Granada

    Granada, España

    ROR https://ror.org/04njjy449

Journal:
Cuadernos de psicología del deporte

ISSN: 1578-8423,  1989-5879

Year of publication: 2016

Volume: 16

Issue: 3

Pages: 81-88

Type: Article

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More publications in: Cuadernos de psicología del deporte

Abstract

The purpose of this study was to analyze the reliability of inter- session measurements of load (kg), peak force (N), mean force (N), mean power (W), peak power (W), average velocity (m * s-1) and peak velocity (m * s-1) obtained at three different levels of intensity (initial load, maxi- mum power and maximum repetition) through an incremental protocol on bench press in a Smith machine. Sixteen healthy subjects (12 males and 4 females) participated in this study voluntarily. Subjects performed an incremental test to reach 1RM on two separate occasions, with at least a 48-hour recovery. A linear position transducer was used to record mean and peak force, power and velocity. All variables were recorded using a cus- tomized software of the linear position transducer. The test-retest reliability was measured by the intraclass correlation index (ICC2,1), the standard error of measurement (SEM) and minimum detectable change with 95% probability (MCD95%) for the initial load (CI), maximum power (MP) and repetition maximum (RM). The reliability analysis showed high values in 1RM (ICC2,1 = 0.96, SEM = 3.2 kg and MD= 9,9 kg). Peak power and mean and peak velocity had high ICC values (0,91–0,98) in IL and mo- derate–high values (ICC2,1= 0,52–0,89) in the MP and 1RM loads. The incremental protocol performed has good reliability in 1RM as well as the rest of the varibles calculated.

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