Barbell load distribution and lifting velocity affect bench press exercise volume and perceived exertion

The intensity of barbell bench press exercise is generally prescribed as the load to be lifted for a specific number of repetitions; however, other factors (e.g., execution velocity) can affect bench press exercise intensity. Moreover, no study assessed whether load distribution (i.e., the distance...

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Bibliographic Details
Published in:PloS one 2022-12, Vol.17 (12), p.e0278909-e0278909
Main Authors: Ferri Marini, Carlo, Shoaei, Vahid, Micheli, Lorenzo, Francia, Piergiorgio, Grossi, Tommaso, Maggio, Serena, Benelli, Piero, Federici, Ario, Lucertini, Francesco, Zoffoli, Luca
Format: Article
Language:English
Subjects:
Adult
Barbells
Biology and Life Sciences
Exercise intensity
Exercise Therapy
Fatigue
Health aspects
Humans
International organizations
Load
Load distribution
Load distribution (forces)
Male
Medicine and Health Sciences
Muscle fatigue
Muscle Strength
Muscle, Skeletal
Physical Sciences
Physiological aspects
Properties
Resistance Training
Strength training
Systematic review
Velocity
Weight Lifting
Weight training
Young Adult
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Summary:The intensity of barbell bench press exercise is generally prescribed as the load to be lifted for a specific number of repetitions; however, other factors (e.g., execution velocity) can affect bench press exercise intensity. Moreover, no study assessed whether load distribution (i.e., the distance between the disc stacks on the two sides of the barbell) affects exercise intensity. The present study aims to assess how different combinations of load, velocity, and barbell load distribution affect the number of repetitions to failure (REPfailure), and rating of perceived exertion (RPEfatigue) and number of repetitions (REPfatigue) at fatigue onset. Ten males (age 23.3±1.8 years) performed bench press exercises to exhaustion using random combinations of three loads (50%, 65%, and 80% of 1 repetition maximum), three execution velocities (50%, 70%, and 90% of maximal concentric velocity), and two load distributions (narrow and wide). Three separate three-way repeated-measures ANOVAs were performed to assess the effect of load, velocity, and load distribution on REPfailure, RPEfatigue, and REPfatigue expressed as a percentage of REPfailure. REPfailure was affected by load (p
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0278909