Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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4/2021
vol. 38
 
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abstract:
Original paper

Acute impact of blood flow restriction on strength-endurance performance during the bench press exercise

Mariola Gepfert
1
,
Jakub Jarosz
1
,
Grzegorz Wojdala
1
,
Michal Krzysztofik
1
,
Yuri Campos
2, 3
,
Aleksandra Filip-Stachnik
1
,
Maciej Kostrzewa
1
,
Dawid Gawel
1
,
Agnieszka Szkudlarek
4
,
Piotr Godlewski
5
,
Petr Stastny
6
,
Michal Wilk
1

  1. Institute of Sport Sciences, Jerzy Kukuczka Academy of Physical Education in Katowice, Poland
  2. Postgraduate Program in Physical Education, University of Juiz de Fora (UFJF), Juiz de Fora, Brazil
  3. Study Group and Research in Neuromuscular Responses, Federal University of Lavras (UFLA), Lavras, Brazil
  4. Department of Physical Pharmacy, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Poland
  5. Faculty of Physical Education, Gdansk University of Physical Education and Sport, Gdansk, Poland
  6. Department of Sport Games, Faculty of Physical Education and Sport, Charles University, Prague, Czech
Biol Sport. 2021;38(4):653-658.
DOI: https://doi.org/10.5114/biolsport.2021.103726
Online publish date: 2021/03/05
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The main goal of the present study was to evaluate the acute effects of blood flow restriction (BFR) at 70% of full arterial occlusion pressure on strength-endurance performance during the bench press exercise. The study included 14 strength-trained male subjects (age = 25.6 ± 4.1 years; body mass = 81.7 ± 10.8 kg; bench press 1 repetition maximum (1RM) = 130.0 ± 22.1 kg), experienced in resistance training (3.9 ± 2.4 years). During the experimental sessions in a randomized crossover design, the subjects performed three sets of the bench press at 80% 1RM performed to failure with two different conditions: without BFR (CON); and with BFR (BFR). Friedman’s test showed significant differences between BFR and CON conditions for the number of repetitions performed (p < 0.001); for peak bar velocity (p < 0.001) and for mean bar velocity (p < 0.001). The pairwise comparisons showed a significant decrease for peak bar velocity and mean bar velocity in individual Set 1 for BFR when compared to CON conditions (p = 0.01 for both). The two-way repeated measures ANOVA showed a significant main effect for the time under tension (p = 0.02). A post-hoc comparisons for the main effect showed a significant increase in time under tension for BFR when compared to CON (p = 0.02). The results of the presented study indicate that BFR used during strength-endurance exercise generally does not decrease the level of endurance performance, while it causes a drop in bar velocity
keywords:

Occlusion, Resistance exercise, Cuff, Velocity of movement, Sport performance

  
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