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Effects Of Fatigue And Recovery On Electromechanical Delay During Isokinetic Muscle Actions, Cory M. Smith, Terry J. Housh, Ethan C. Hill, Josh L. Keller, Glen O. Johnson, Richard J. Schmidt
Effects Of Fatigue And Recovery On Electromechanical Delay During Isokinetic Muscle Actions, Cory M. Smith, Terry J. Housh, Ethan C. Hill, Josh L. Keller, Glen O. Johnson, Richard J. Schmidt
Department of Nutrition and Health Sciences: Faculty Publications
Objective: To examine muscle-specific differences and the effects of fatigue and recovery on electromechanical delay (EMD) during maximal isokinetic muscle actions.
Approach: Thirteen men performed maximal isokinetic knee extension muscle actions at 60° s−1, pretest, posttest, and after 5 min of recovery from 25 maximal isokinetic knee extensions. The onsets of the electromyographic, mechanomyographic, and force signals were used to identify EMD measures from the vastus lateralis (VL), vastus medialis (VM), and rectus femoris (RF).
Main results: There were posttest increases in all EMD measures for all muscles that returned to pretest levels after 5 …