Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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1/2023
vol. 40
 
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abstract:
Original paper

Acute effects of different external compression with blood flow restriction on force-velocity profile during squat and bench press exercises

Josep M. Serrano-Ramon
1
,
Juan M. Cortell-Tormo
1
,
Iker Bautista
2
,
Miguel García Jaén
1
,
Iván Chulvi-Medrano
3

  1. Department of General and Specific Didactics, University of Alicante, Alicante, Alicante, Spain
  2. Physiotherapy, Catholic University of Valencia, Valencia, Valencia, Spain
  3. Department of Physical and Sports Education, University of Valencia, 46010 Valencia, Spain
Biol Sport. 2023;40(1):209–216
DOI: https://doi.org/10.5114/biolsport.2023.112093
Online publish date: 2022/03/16
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The aim was to compare the acute effects of bench press (BP) and squat (SQ) exercises with blood flow restriction (BFR) (40%, 60%, 80% and 100% of the complete arterial occlusion pressure (AOP)) and without BFR (CON) on the mean propulsive (VelMED) and maximum (VelMAX) bar velocity. Fourteen healthy, physically active males (age, 23.6±4.1 years; height, 1.85±0.11 m; body weight 85.4±4.1 kg) took part in the study. There was one set for each testing condition (CON, 40%, 60%, 80% and 100%) with 6 repetitions for BP and 6 repetitions for SQ, at 60% of 1RM, and 3 minutes of recovery between sets. The results showed statistically significant differences of the sets with 80% BFR vs. CON (mean difference [MD] = 0.035 m·s-1, p < 0.05, ES = 0.52 [1.02–0.03]) and 100% BFR sets vs. CON (MD = 0.074, p < 0.001, ES = 1.08 [1.79–0.38]) for BP. In the SQ exercise, statistically significant differences were found between 100% BFR vs. CON (DM = 0.031 m·s-1, p < 0.05), vs. 100% BFR 40% (MD = 0.04 m·s-1, p < 0.05). Trend analysis showed a statistically significant linear trend (F[1,9] = 34.9, p < 0.001, F[1,13] = 27.32, p < 0.001) for the VelMED in relation to the different levels of BFR. In conclusion, our results showed that BFR levels above ~80% AOP (BP) and ~100% AOP (SQ) produce a VelMED improvement at 60% 1RM.
keywords:

Strength, Resistance training Occlusion, Sport, Compression, Power

  
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