{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T14:06:46Z","timestamp":1791036406822,"version":"4.1.0"},"reference-count":53,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2013,5,15]],"date-time":"2013-05-15T00:00:00Z","timestamp":1368576000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acta Physiologica"],"published-print":{"date-parts":[[2013,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>The purpose of this study was to determine the effect of eccentric muscle damage on muscle activation patterns and intermuscular coherence during a fatiguing isometric contraction involving the elbow flexor muscles.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Ten young subjects participated in three experimental sessions that involved the performance of maximum voluntary contractions (<jats:styled-content style=\"fixed-case\">MVC<\/jats:styled-content>s), a constant\u2010force task at 30% <jats:styled-content style=\"fixed-case\">MVC<\/jats:styled-content>, and a fatiguing isometric contraction at 30% <jats:styled-content style=\"fixed-case\">MVC<\/jats:styled-content>. The three sessions were performed before, 2\u00a0h after and 2\u00a0days after eccentric exercise to induce muscle damage in elbow flexor muscles. Task performance was quantified with electromyography (<jats:styled-content style=\"fixed-case\">EMG<\/jats:styled-content>) from the elbow flexor (biceps brachii, brachialis and brachioradialis) and extensor (triceps brachii) muscles, <jats:styled-content style=\"fixed-case\">M<\/jats:styled-content>\u2010wave amplitude of biceps brachii, elbow flexor force fluctuations and endurance time of a fatiguing contraction. Intermuscular coherence during the fatiguing contraction was quantified from the rectified surface <jats:styled-content style=\"fixed-case\">EMG<\/jats:styled-content>s between muscle pairs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Eccentric exercise resulted in several indicators of muscle damage, such as a prolonged decline in muscle strength and an increase in muscle soreness 2\u00a0days after exercise. A 29% reduction in endurance time was observed 2\u00a0h after eccentric muscle damage, which returned to baseline 2\u00a0days later. The reduced endurance time 2\u00a0h after muscle damage was accompanied by an increase in <jats:styled-content style=\"fixed-case\">EMG<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">EMG<\/jats:styled-content> coherence between biceps brachii and brachialis muscles, which was observed at the end of the fatiguing contraction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>These findings suggest that eccentric muscle damage produces a decrease in endurance time that is accompanied by an increase in intermuscular coherence in the presence of fatigue.<\/jats:p><\/jats:sec>","DOI":"10.1111\/apha.12111","type":"journal-article","created":{"date-parts":[[2013,4,27]],"date-time":"2013-04-27T10:24:40Z","timestamp":1367058280000},"page":"362-375","source":"Crossref","is-referenced-by-count":39,"title":["Eccentric muscle damage increases intermuscular coherence during a fatiguing isometric contraction"],"prefix":"10.1111","volume":"208","author":[{"given":"J. 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