Effect of Velocity Loss on Strength Performance in Bench Press Using a Weight Stack Machine

Abstract This study aimed to analyze the effects of three different velocity loss thresholds (10%: VL10, 30%: VL30 and 50%: VL50) on maximal strength and velocity at different intensities during bench press using a weight stack machine (WSM-BP). Forty-five men were randomly assigned to three groups:...

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Bibliographic Details
Published in:International journal of sports medicine 2020-10, Vol.41 (13), p.921-928
Main Authors: Rodiles-Guerrero, Luis, Pareja-Blanco, Fernando, León-Prados, Juan Antonio
Format: Article
Language:English
Subjects:
Adult
Biomechanical Phenomena
Humans
Male
Muscle Fatigue
Muscle Strength
Resistance Training - instrumentation
Resistance Training - methods
Training & Testing
Velocity
Weight Lifting - physiology
Young Adult
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Summary:Abstract This study aimed to analyze the effects of three different velocity loss thresholds (10%: VL10, 30%: VL30 and 50%: VL50) on maximal strength and velocity at different intensities during bench press using a weight stack machine (WSM-BP). Forty-five men were randomly assigned to three groups: VL10 (n=15), VL30 (n=15) and VL50 (n=15), which followed a 5-week (15 sessions) velocity-based WSM-BP program. Assessments performed Pre- and Post-training included: a) estimated one-repetition maximum (1RM) in WSM-BP; b) average velocity attained against all absolute loads common to Pre- and Post-training tests in WSM-BP; c) average velocity attained against all absolute loads that were lifted equal to or faster than 0.8 m·s−1 at Pre-training (light loads); and d) average velocity attained against all absolute loads that were lifted slower than 0.8 m·s−1 at Pre-training (heavy loads). All groups showed significant improvements in 1RM, velocity against all loads, and velocity against heavy loads (P
ISSN:0172-4622
1439-3964
DOI:10.1055/a-1179-5849