Document Detail


Effect of pressure intensity of graduated elastic compression stocking on muscle fatigue following calf-raise exercise.
MedLine Citation:
PMID:  20843703     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The purpose of the present study was to examine the effects of wearing a graduated elastic compression (EC) stocking, with different pressure profiles during a fatiguing calf-raise exercise session, on the torque generating capacity after exercise. Fourteen subjects performed 15 sets of 10 repetitions of calf-raise exercise, wearing one of three stockings of different compression pressure profiles: two kinds of EC stockings (one (EC30) with 30mmHg at the ankle, 21-25mmHg at the calf, and 10mmHg below the knee, and the other (EC18) with 18, 12-14, and 7mmHg at the same regions, respectively) and a non-EC sport stocking as a control (CON). Before and after the exercise, torque and electromyographic (EMG) signals of medial gastrocnemius and soleus muscles were recorded during an evoked triplet contraction and the maximal voluntary contraction (MVC). All stockings had no effect on the decline of the MVC torque whereas the reduction of the evoke triplet torque in EC30 stocking condition was significantly smaller compared with that in CON (-6.4±8.5% for EC30 and -16.5±9.0% for CON, P<0.05). The reduction of the mean power frequency of EMG during MVC in the EC30 condition was significantly smaller than that in CON (-4.4±10.9Hz for EC30 and -18.7±7.9Hz for CON, P<0.05). These results suggest that the EC stocking with adequate pressure at the calf region relieves muscle fatigue of the triceps surae induced by calf-raise exercise.
Authors:
Naokazu Miyamoto; Kosuke Hirata; Naotoshi Mitsukawa; Toshimasa Yanai; Yasuo Kawakami
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Publication Detail:
Type:  Journal Article     Date:  2010-09-16
Journal Detail:
Title:  Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology     Volume:  21     ISSN:  1873-5711     ISO Abbreviation:  J Electromyogr Kinesiol     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-02-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9109125     Medline TA:  J Electromyogr Kinesiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  249-54     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ltd. All rights reserved.
Affiliation:
Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama 359-1192, Japan.
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