Document Detail

Prolonged electrical muscle stimulation exercise improves strength and aerobic capacity in healthy sedentary adults.
MedLine Citation:
PMID:  16081619     Owner:  NLM     Status:  MEDLINE    
This investigation evaluated training responses to prolonged electrical muscle stimulation (EMS) in sedentary adults. Fifteen healthy subjects (10 men, 5 women) with a sedentary lifestyle completed a 6-wk training program during which they completed an average of 29 1-h EMS sessions. The form of EMS used by the subjects was capable of eliciting a cardiovascular exercise response without loading the limbs or joints. It achieved this by means of inducing rapid, rhythmical contractions in the large leg muscles. A crossover study design was employed with subjects undergoing their habitual activity levels during the nontraining phase of the study. The training effect was evaluated by means of a treadmill test to determine peak aerobic capacity [peak oxygen consumption (Vo(2))], a 6-min walking distance test, and measurement of body mass index (BMI) and quadriceps muscle strength. At baseline, the mean values for peak Vo(2), 6-min walking distance, quadriceps strength, and BMI were 2.46 +/- 0.57 l/min, 493.3 +/- 36.8 m, 360.8 +/- 108.7 N, and 26.9 +/- 3.4 kg/m(2), respectively. After training, subjects demonstrated statistically significant improvements in all variables except BMI. Peak Vo(2) increased by an average of 0.24 +/- 0.16 l/min (P < 0.05), walking distance increased by 36.6 +/- 19.7 m (P < 0.005), and quadriceps strength increased by 87.5 +/- 55.9 N (P < 0.005); we did not observe a significant effect due to training on BMI (P > 0.05). These results suggest that EMS can be used in sedentary adults to improve physical fitness. It may provide a viable alternative to more conventional forms of exercise in this population.
Prithwish Banerjee; Brian Caulfield; Louis Crowe; Andrew Clark
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2005-08-04
Journal Detail:
Title:  Journal of applied physiology (Bethesda, Md. : 1985)     Volume:  99     ISSN:  8750-7587     ISO Abbreviation:  J. Appl. Physiol.     Publication Date:  2005 Dec 
Date Detail:
Created Date:  2005-11-18     Completed Date:  2006-01-05     Revised Date:  2013-09-26    
Medline Journal Info:
Nlm Unique ID:  8502536     Medline TA:  J Appl Physiol (1985)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2307-11     Citation Subset:  IM    
Department of Academic Cardiology, University of Hull, Castle Hill Hospital, Cottingham, Kingston-upon-Hull, UK.
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MeSH Terms
Adaptation, Physiological / physiology
Cross-Over Studies
Electric Stimulation / methods*
Electric Stimulation Therapy / methods*
Exercise / physiology*
Exercise Therapy / methods*
Leg / physiology
Middle Aged
Muscle Contraction / physiology*
Muscle, Skeletal / innervation,  physiology*
Oxygen Consumption / physiology*
Physical Fitness / physiology*
Stress, Mechanical
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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