Article (Scientific journals)
Eccentric Muscle Contractions: Risks and Benefits.
Hody, Stéphanie; Croisier, Jean-Louis; Bury, Thierry et al.
2019In Frontiers in Physiology
Peer reviewed
 

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Keywords :
delayed-onset muscle soreness (DOMS); eccentric contraction; eccentric muscle training; exercise-induced muscle damage (EIMD); skeletal muscle
Abstract :
[en] Eccentric contractions, characterized by the lengthening of the muscle-tendon complex, present several unique features compared with other types of contractions, which may lead to unique adaptations. Due to its specific physiological and mechanical properties, there is an increasing interest in employing eccentric muscle work for rehabilitation and clinical purposes. However, unaccustomed eccentric exercise is known to cause muscle damage and delayed pain, commonly defined as "Delayed-Onset Muscular Soreness" (DOMS). To date, the most useful preventive strategy to avoid these adverse effects consists of repeating sessions involving submaximal eccentric contractions whose intensity is progressively increased over the training. Despite an increased number of investigations focusing on the eccentric contraction, a significant gap still remains in our understanding of the cellular and molecular mechanisms underlying the initial damage response and subsequent adaptations to eccentric exercise. Yet, unraveling the molecular basis of exercise-related muscle damage and soreness might help uncover the mechanistic basis of pathological conditions as myalgia or neuromuscular diseases. In addition, a better insight into the mechanisms governing eccentric training adaptations should provide invaluable information for designing therapeutic interventions and identifying potential therapeutic targets.
Disciplines :
Orthopedics, rehabilitation & sports medicine
Author, co-author :
Hody, Stéphanie ;  Université de Liège - ULiège > Département des sciences de la motricité > Physiologie humaine et physiologie de l'effort physique
Croisier, Jean-Louis ;  Université de Liège - ULiège > Département des sciences de la motricité > Kinésithérapie générale et réadaptation
Bury, Thierry ;  Université de Liège - ULiège > Département des sciences de la motricité > Physiologie humaine et physiologie de l'effort physique
Rogister, Bernard  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biochimie et physiologie générales, et biochimie humaine
Leprince, Pierre ;  Université de Liège - ULiège > Neurosciences-Nervous system disorders and therapy
Language :
English
Title :
Eccentric Muscle Contractions: Risks and Benefits.
Publication date :
03 May 2019
Journal title :
Frontiers in Physiology
Peer reviewed :
Peer reviewed
Funders :
Fédération Wallonie Bruxelles. Fonds de la Recherche Scientifique - F.R.S.-FNRS
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