A comparison of once versus twice per week training on leg press strength in women

J Sports Med Phys Fitness. 2007 Mar;47(1):13-7.


Aim: The purpose of this study was to compare strength differences between 2 groups of untrained women, who performed a single set of the leg press exercise once or twice per week.

Methods: Twenty-one women were divided randomly into 2 groups: Group 1 (n=10) performed a single set of the leg press exercise once per week, while Group 2 (n=11) performed a single set of the leg press exercise twice per week for a period of 8 weeks. Throughout the duration of the study, an amount of resistance was utilized that allowed for a single set of 6 to 10 repetitions to muscular failure. At the conclusion of the study, subjects were tested for their 6-RM strength. A 2x2 ANOVA was used to compare strength differences. The a level was set at 0.05 in order for differences to be considered significant.

Results: The 2x2 ANOVA demonstrated that strength increases were significant between tests (P=0.0001), but not significant between groups (P=0.757).

Conclusions: These results indicate that performing a single set of the leg press once or twice per week results in statistically similar strength gains in untrained women.

Publication types

  • Comparative Study
  • Randomized Controlled Trial

MeSH terms

  • Adult
  • Analysis of Variance
  • Female
  • Humans
  • Leg / physiology*
  • Muscle Fatigue / physiology
  • Muscle Strength / physiology*
  • Muscle, Skeletal / physiology*
  • Physical Education and Training / methods*