Article (Scientific journals)
Comparison of active and electrostimulated recovery strategies after fatiguing exercise
Vanderthommen, Marc; Makrof, Souleyma; Demoulin, Christophe
2010In Journal of Sports Science and Medicine, 9, p. 164-169
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Keywords :
electrical stimulation; muscle recovery; isometric contraction; muscle fatigue
Abstract :
[en] The purpose of this study was to compare an electrostimulated to an active recovery strategy after a submaximal isometric fatiguing exercise. Nineteen healthy men completed three sessions (separated by at least 4 weeks) which included a knee extensors provocation exercise consisting of 3 sets of 25 isometric contractions. Contraction intensity level was fixed respectively at 60%, 55% and 50% of previously determined maximal voluntary contraction for the first, second and third sets. This provocation exercise was followed by either an active (AR) recovery (25 min pedaling on a cycle ergometer), an electrostimulated (ESR) recovery (25-min continuous and nontetanic (5 Hz) stimulation of the quadriceps) or a strictly passive recovery (PR). Peak torques of knee extensors and subjective perception of muscle pain (VAS, 0-10) were evaluated before (pre-ex), immediately after the provocation exercise (post-ex), after the recovery period (post-rec), as well as 75 minutes (1h15) and one day (24h) after the exercise bout. Time course of peak torque was similar among the different recovery modes: ~ 75% of initial values at post-ex, ~ 90% at post-rec and at 1h15. At 24h, peak torque reached a level close to baseline values (PR: 99.1 ± 10.7%, AR: 105.3 ± 12.2%, ESR: 104.4 ± 10.5%). VAS muscle pain scores decreased rapidly between post-ex and postrec (p < 0.001); there were no significant differences between the three recovery modes (p = 0.64). In conclusion, following a submaximal isometric knee extension exercise, neither electrostimulated nor active recovery strategies significantly improved the time course of muscle function recovery.
Disciplines :
Laboratory medicine & medical technology
Orthopedics, rehabilitation & sports medicine
Author, co-author :
Vanderthommen, Marc ;  Université de Liège - ULiège > Département des sciences de la motricité > Kinésithérapie spécifique et réadaptation motrice
Makrof, Souleyma
Demoulin, Christophe  ;  Université de Liège - ULiège > Département des sciences de la motricité > Kinésithérapie spécifique et réadaptation motrice
Language :
English
Title :
Comparison of active and electrostimulated recovery strategies after fatiguing exercise
Publication date :
2010
Journal title :
Journal of Sports Science and Medicine
eISSN :
1303-2968
Publisher :
Dept. of Sports Medicine, Medical Faculty of Uludag University, Turkey
Volume :
9
Pages :
164-169
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 June 2010

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