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- Title
Electromyogram activity and mean power frequency in exercise-damaged human muscle.
- Authors
Day, Stephen H.; Donnelly, Alan E.; Brown, Stephen J.; Child, Robert B.; Day, S H; Donnelly, A E; Brown, S J; Child, R B
- Abstract
Eight volunteers performed two bouts of 50 voluntary maximal eccentric contractions of the knee extensors of one leg 3 weeks apart. During maximal voluntary isometric contractions performed at intervals after each bout, electromyogram (EMG) mean power frequency declined after bout one (P < 0.01 Duncan's test), whereas integrated EMG did not change after either bout. These results suggest that unaccustomed eccentric contractions produce a temporary reduction in mean muscle activation frequency during subsequent maximal isometric contractions.
- Publication
Muscle & Nerve, 1998, Vol 21, Issue 7, p961
- ISSN
0148-639X
- Publication type
journal article
- DOI
10.1002/(SICI)1097-4598(199807)21:7<961::AID-MUS20>3.0.CO;2-S