Short-term effects of resistance training frequency on body composition and strength in middle-aged women

Melissa J. Benton, Mark J. Kasper, Scot A. Raab, Green T. Waggener, Pamela Swan

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Although a dose-response relationship between resistance training frequency and strength has been identified, there is limited research regarding the association between frequency and body composition. This study evaluated the effects of 3 vs. 4 d-wk21 of resistance training on body composition and strength in middle-aged women. Twenty-one untrained women (age 47.6 6 1.2 years) completed 8 weeks of resistance training either 3 nonconsecutive days of the week using a traditional total-body protocol (RT3) or 4 consecutive days of the week using an alternating split-training protocol (RT4). The RT3 completed 3 sets of 8 exercises, whereas RT4 completed 3 sets of 6 upper body exercises or 6 sets of 3 lower body exercises. Both groups completed 72 sets per week of 8-12 repetitions at 50-80% 1 repetition maximum. Weekly training volume load was calculated as the total number of repetitions 3 load (kg) completed per week. Body composition was measured using air displacement plethysmography. At baseline and after 8 weeks of resistance training, there were no significant between-group differences. Both protocols resulted in significant increases in absolute lean mass (1.1 ± 0.3 kg; p = 0.001), body weight (1.0260.3 kg; p = 0.005), body mass index (0.3±0.1 kg-m22; p = 0.006), strength (p < 0.001), and weekly training volume load (p < 0.001). Correlation analysis revealed that weekly training volume load was strongly and positively related to gains in lean mass (r = 0.56, p = 0.05) and strength (r = 0.60, p = 0.006). In these untrained, middle-aged women, initial short-term gains in lean mass and strength were not influenced by training frequency when the number of training sets per week was equated.

Original languageEnglish (US)
Pages (from-to)3142-3149
Number of pages8
JournalJournal of Strength and Conditioning Research
Volume25
Issue number11
DOIs
StatePublished - Nov 2011

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Resistance Training
Body Composition
Exercise
Plethysmography
Body Mass Index
Air
Body Weight
Research

Keywords

  • Lean mass
  • Split training
  • Total-body training
  • Volume load

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Short-term effects of resistance training frequency on body composition and strength in middle-aged women. / Benton, Melissa J.; Kasper, Mark J.; Raab, Scot A.; Waggener, Green T.; Swan, Pamela.

In: Journal of Strength and Conditioning Research, Vol. 25, No. 11, 11.2011, p. 3142-3149.

Research output: Contribution to journalArticle

Benton, Melissa J. ; Kasper, Mark J. ; Raab, Scot A. ; Waggener, Green T. ; Swan, Pamela. / Short-term effects of resistance training frequency on body composition and strength in middle-aged women. In: Journal of Strength and Conditioning Research. 2011 ; Vol. 25, No. 11. pp. 3142-3149.
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