Electromyographic adaptations elicited by submaximal exercise in those naive to and in those adapted to eccentric exercise: A descriptive report

Paul Lastayo, Judah Pifer, David Pierotti, Stan Lindstedt

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

The purpose of this study was to describe an electromyogram (EMG) pattern during a submaximal eccentric task in 7 subjects adapted to high-force chronic eccentric exercise and 6 subjects naive to eccentric exercise. The EMG in all subjects was quantified during identical submaximal (200 W) eccentric and concentric cycle ergometry tasks. The EMG of the eccentrically adapted subjects was decreased (p < 0.05) compared to the eccentrically naive subjects, in duration, amplitude, and intensity as evidenced by a decreased EMG during the pedal cycle. This decrease may be one component of the protective effect that results from progressively increasing repeated bouts of eccentric muscle work. Clients and patients transitioning to rigorous overload training should become adapted to high eccentric loads and forces to avoid injury and a potential delay in their strength and conditioning training regimens.

Original languageEnglish (US)
Pages (from-to)833-838
Number of pages6
JournalJournal of Strength and Conditioning Research
Volume22
Issue number3
DOIs
StatePublished - May 2008

Keywords

  • Adaptation
  • Electro-myogram
  • Muscle
  • Overload
  • Work

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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