Acute effects of high-intensity dumbbell exercise after isokinetic eccentric damage: interaction between altered pain perception and fatigue on static and dynamic muscle performance

Journal of Strength and Conditioning Research
Akihiro SakamotoPeter J Sinclair

Abstract

This study aimed to determine whether high-intensity dumbbell exercise involving both concentric and eccentric contractions would provide a temporary alleviation of delayed-onset muscle soreness (DOMS). It also examined the effect of alleviated muscle soreness on dynamic muscle performance using a stretch-shortening cycle (SSC; peak angular acceleration and velocity of the elbow during both lowering and concentric phases) to provide indirect evidence that DOMS contributes to the dynamic performance decrement after eccentric injury. Thirteen untrained adults performed 30 maximal isokinetic eccentric contractions of the elbow flexors to induce eccentric damage. Five sets of arm curls using a dumbbell (equivalent to 70% of isometric maximal voluntary contraction) were then performed until failure on days 1, 2, 3, and 5 of recovery. Muscle soreness significantly decreased after each session of dumbbell exercise (p = 0.001). Isometric strength further decreased immediately after dumbbell exercise, indicating muscle fatigue (p < 0.001). Dynamic performance variables were less affected by fatigue, however, with performance being reduced only for peak lowering velocity (p < 0.001). Other measures of dynamic performance were relatively ...Continue Reading

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Citations

Jun 29, 2012·Journal of Strength and Conditioning Research·James J TufanoJoe W LaPorta
Dec 5, 2013·Journal of Rehabilitation Research and Development·Natalia C RodriguesAna Claudia M Renno
Nov 22, 2014·Journal of Athletic Training·Gregory E P PearceyDuane C Button
Jan 16, 2014·European Journal of Sport Science·Matthew Robinson, Bruce Hamilton
Mar 17, 2015·Journal of Strength and Conditioning Research·Danguolė SatkunskienėDonatas Rauktys
Mar 23, 2019·BMJ Open Sport & Exercise Medicine·Piero VolpiGian Nicola Bisciotti
Apr 1, 2021·Journal of Exercise Science and Fitness·Eric M ScudamoreVeronika Přibyslavská

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