Concurrent Strength and Endurance Training: The Influence of Dependent Variable Selection

Leveritt, Michael, Abernethy, Peter J., Barry, Ben. and Logan, Peter A. (2003) Concurrent Strength and Endurance Training: The Influence of Dependent Variable Selection. Journal of Strength and Conditioning Research, 17 3: 503-508. doi:10.1519/00124278-200308000-00013

Author Leveritt, Michael
Abernethy, Peter J.
Barry, Ben.
Logan, Peter A.
Title Concurrent Strength and Endurance Training: The Influence of Dependent Variable Selection
Journal name Journal of Strength and Conditioning Research   Check publisher's open access policy
ISSN 1064-8011
Publication date 2003-01-01
Sub-type Article (original research)
DOI 10.1519/00124278-200308000-00013
Open Access Status
Volume 17
Issue 3
Start page 503
End page 508
Total pages 6
Place of publication Colorado Springs. CO.
Publisher National Strength & Conditioning Association
Language eng
Subject 110602 Exercise Physiology
Abstract Twenty-six active university students were randomly allocated to resistance (R, n 5 9), endurance (E, n 5 8), and concurrent resistance and endurance (C, n 5 9) training conditions. Training was completed 3 times per week in all conditions, with endurance training preceding resistance training in the C group. Resistance training involved 4 sets of upper- and lower-body exercises with loads of 4–8 repetition maximum (RM). Each endurance training session consisted of five 5-minute bouts of incremental cycle exercise at between 40 and 100% of peak oxygen uptake (V˙ O2peak). Parameters measured prior to and following training included strength (1RM and isometric and isokinetic [1.04, 3.12, 5.20, and 8.67 rad·s21] strength), V˙ O2peak and Wingate test performance (peak power output [PPO], average power, and relative power decline). Significant improvements in 1RM strength were observed in the R and C groups following training.V˙ O2peak significantly increased in E and C but was significantly reduced in R after training. Effect size (ES) transformations on the other dependent variables suggested that performance changes in the C group were not always similar to changes in the R or E groups. These ES data suggest that statistical power and dependent variable selection are significant issues in enhancing our insights into concurrent training. It may be necessary to assess a range of performance parameters to monitor the relative effectiveness of a particular concurrent training regimen.
Keyword Resistance
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Human Movement and Nutrition Sciences Publications
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Created: Wed, 25 Feb 2009, 22:08:56 EST by Ms Sarada Rao on behalf of School of Human Movement and Nutrition Sciences