Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2020) 19, 317 - 322

Research article
Impact of Duration of Eccentric Movement in the One-Repetition Maximum Test Result in the Bench Press among Women
Michal Wilk1, , Mariola Gepfert1, Michal Krzysztofik1, Aleksandra Mostowik1, Aleksandra Filip1, Grzegorz Hajduk2, Adam Zajac1
Author Information
1 Institute of Sport Sciences, Jerzy Kukuczka Academy of Physical Education in Katowice, Katowice, Poland
2 Galen-Orthopaedics, 43-150 Bierun, ul Jerzego 6, Poland

Michal Wilk
✉ Institute of Sport Sciences, Jerzy Kukuczka Academy of Physical Education in Katowice, ul. Mikolowska 72a, 40-065 Katowice, Poland
Email: m.wilk@awf.katowice.pl
Publish Date
Received: 05-11-2019
Accepted: 08-02-2020
Published (online): 01-05-2020
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ABSTRACT

Scientific studies related to resistance training have considered many variables; however, the tempo of movement of particular repetitions is often neglected or not reported in resistance training practice and research. The aim of the study was to determine the effect of different duration of the eccentric (ECC) phase of movement on one-repetition maximum test (1RM) results during the bench press exercise (BP). Twenty-one strength trained females (age = 23.4 ± 2.2 years, body mass = 52.3 ± 6.7 kg), with a minimum one year of strength training experience took part in the study. The experiment was conducted following a randomized crossover design, where each participant completed the 1RM test in the BP with three different duration times of the ECC movement: 2/0/X, 4/0/X, 6/0/X. Concentric (CON) movement was performed with maximal velocity (X). The ANOVA with repeated measures were used to compare the differences between the analyzed variables. The results of the study indicated the maximal load in the 1RM test was significantly higher during the BP with the 2/0/X tempo compared to 6/0/X (p < 0.01) and 4/0/X tempos (p < 0.01). Therefore, the results indicated that the longer the duration of the ECC phase of movement, the greater the decrease in the result of the 1RM test. The 1RM test procedure should include information about the movement tempo used during the test protocol.

Key words: Performance, resistance, strength, duration of repetition


           Key Points
  • The tempo of movement during resistance exercise impact on the result of 1RM test. The longer duration of ECC phases affects the lower value of 1RM test result.
  • Significant differences in result of 1RM were observed between the 2/0/X, 4/0/X and 6/0/X tempos.
  • The 1RM test procedure should include information about the movement tempo used during the trial.
  • When different movement tempos are used in test protocols, the 1RM test should be performed independently for each tempo.
 
 
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