Document Detail


Evaluation of physiological responses during recovery following three resistance exercise programs.
MedLine Citation:
PMID:  15903367     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The present study was conducted to examine (a) whether there is an association between maximal oxygen uptake (Vo(2)max) and reduction in postexercise heart rate (HR) and blood lactate concentrations ([La]) following resistance exercise and (b) how intensity and Volume of resistance exercise affect postexercise Vo(2). Eleven regularly weight-trained males (20.8 +/- 1.3 years; 96.2 +/- 14.4 kg, 182.4 +/- 7.3 cm) underwent 4 sets of squat exercise on 3 separate occasions that differed in both exercise intensity and volume. During each testing session, subjects performed either 15 repetitions.set(-1) at 60% of 1 repetition maximum (1RM) (L), 10 repetitions.set(-1) at 75% of 1RM (M), or 4 repetitions.set(-1) at 90% of 1RM (H). During each exercise, Vo(2) and HR were measured before (PRE), immediately post (IP), and at 10 (10P), 20 (20P) 30 (30P), and 40 (40P) minutes postexercise. The [La] was measured at PRE, IP, 20P, and 40P. Decrease in HR (DeltaHR) was determined by subtracting HR at 10P from that at IP, whereas decrease in [La] (Delta[La]) was computed by subtracting [La] at 20P from that at IP. A significant correlation (p < 0.05) was found between Vo(2)max and DeltaHR in all exercise conditions. A significant correlation (p < 0.05) was also found between Vo(2)max and Delta[La] in L and M but not in H. The Vo(2) was higher (p < 0.05) during M than H at IP and 10P, while no difference was seen between L and M and between L and H. These results indicate that those with greater aerobic capacity tend to have a greater reduction in HR and [La] during recovery from resistance exercise. In addition, an exercise routine performed at low to moderate intensity coupled with a moderate to high exercise volume is most effective in maximizing caloric expenditure following resistance exercise.
Authors:
Jie Kang; Jay R Hoffman; Joohee Im; Barry A Spiering; Nicholas A Ratamess; Kenneth W Rundell; Shoko Nioka; Joshua Cooper; Britton Chance
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  19     ISSN:  1064-8011     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2005 May 
Date Detail:
Created Date:  2005-05-20     Completed Date:  2005-09-01     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  305-9     Citation Subset:  IM; S    
Affiliation:
The College of New Jersey, Ewing, New Jersey 08628, USA. kang@tcnj.edu
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Physiological / physiology*
Adult
Exercise / physiology*
Heart Rate / physiology
Humans
Lactic Acid / blood
Male
Muscle, Skeletal / physiology
Oxygen Consumption / physiology
Physical Education and Training / methods*
Physical Fitness / physiology
Recovery of Function
Chemical
Reg. No./Substance:
50-21-5/Lactic Acid

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


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