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Related Experiment Videos

Improvement in sit-up performance associated with 2 different training regimens.

Richard E Baxter1, Josef H Moore, Timothy L Pendergrass

  • 1US Army, currently attending Command and General Staff College, Combined Arms Center, Fort Leavenworth, KS 66048, USA. richard.e.baxter@wp.amedd.army.mil

The Journal of Orthopaedic and Sports Physical Therapy
|February 7, 2003
PubMed
Summary

Sit-up training significantly improved sit-up performance, while curl-up training did not. This suggests that the specificity of exercise training is key for improving abdominal muscular fitness.

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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Biomechanics

Background:

  • Curl-ups are suggested to better challenge abdominal muscles and reduce spinal stress compared to sit-ups.
  • Previous research has compared curl-ups and sit-ups, but not the impact of training programs focused on each exercise on subsequent sit-up performance.

Purpose of the Study:

  • To compare the effects of two different abdominal muscular fitness training regimens (curl-up vs. sit-up) on sit-up performance.
  • To analyze these effects across different sexes and baseline abdominal muscular fitness levels.

Main Methods:

  • A factorial experimental design was used with 102 healthy, college-aged subjects.
  • Subjects were randomly assigned to a curl-up training group, a sit-up training group, or a control group for a 6-week program.

Related Experiment Videos

  • Maximal 2-minute sit-up performance was measured pre- and post-training, with data analyzed using ANOVA and Tukey's Honestly Significant Difference Test.

    • Main Results:

    • The sit-up training group showed a significant improvement in 2-minute sit-up performance (P < 0.05).
    • No significant improvements in sit-up performance were observed in the curl-up or control groups.
    • No statistically significant differences in improvement were found based on sex or initial abdominal muscular fitness level.

    Conclusions:

    • Short-term training using the sit-up exercise (Modified Kersey Method) significantly enhanced maximal 2-minute sit-up performance.
    • Training with curl-up exercises did not lead to improvements in 2-minute sit-up performance.
    • The findings support the principle of specificity in exercise training for improving muscular performance.