Document Detail


Influence of exercise order on the number of repetitions, oxygen uptake, and rate of perceived exertion during strength training in younger and older women.
MedLine Citation:
PMID:  22648138     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
ABSTRACT: The study investigated the effect of resistance exercise order on the number of repetitions, oxygen uptake (VO2), and perceived exertion (RPE) in younger [YG: N=10; 22±2yrs; VO2peak 42.2±2.9 mL.kg.min] and older [EG: N=8; 69±7yrs; VO2peak 22.7±2.5 mL.kg.min] women. Subjects performed 3 sets of each exercise until fatigue using 10 repetition-maximum in 2 sequences of opposite order: a) sequence A [SEQA]: bench press-BP, machine shoulder press-SP, pulley triceps extension-TE; b) sequence B [SEQB]: TE-SP-BP). The VO2 was assessed during the exercises, rest intervals, and 20 min after sequences (EPOC). The number of repetitions decreased in both groups (P<0.05) throughout sets. No difference (P>0.22) was found between sequences for total VO2 (exercise sequences + EPOC) in YG (SEQA=25.41±6.51L vs. SEQB=24.81±4.08L) and EG (SEQA=26.45±5.24L vs. SEQB=26.91±4.62L). In both groups the VO2 within the sequences was higher during BP when it was placed at the end of SEQB, the same occurring with TE in SEQA (P<0.05). The VO2 within sequences and RPE were higher in SEQB compared to SEQA (P<0.05) in EG, but not in YG. In conclusion, the exercise order did not affect total VO2. The VO2 within a given sequence was always lower when an exercise was performed first as compared with last regardless of the exercise order. Accumulated fatigue reflected by the VO2 within sequences and RPE was influenced by the exercise order only in EG, suggesting that to prevent early fatigue, resistance training sessions in this group should preferably progress from large toward small-muscle group exercises.
Authors:
Paulo T V Farinatti; Nádia S L da Silva; Walace D Monteiro
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-29
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
1Laboratory of Health Promotion and Physical Activity - Rio de Janeiro State University - Rio de Janeiro - Brazil - 205500-900 2Physical Activity Sciences Graduate Program - Salgado de Oliveira University - Niterói - Brazil - 24030-060.
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