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Short-term effects on lower-body functional power development: weightlifting vs. vertical jump training programs.

Valmor Tricoli1, Leonardo Lamas, Roberto Carnevale

  • 1Department of Sport, School of Physical Education and Sport, University of Sao Paulo, Sao Paulo, SP, Brazil. vtricoli@usp.br

Journal of Strength and Conditioning Research
|May 21, 2005
PubMed
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Olympic weightlifting (WL) exercises combined with heavy resistance training improved sprint speed and vertical jump power more effectively than vertical jump (VJ) training in young men over an 8-week period.

Area of Science:

  • Sports Science and Conditioning
  • Exercise Physiology
  • Biomechanics of Sport

Background:

  • Optimizing lower-body power is a key objective in sport conditioning.
  • Heavy resistance training combined with vertical jump (VJ) exercises is common, but its synergy with Olympic weightlifting (WL) is less understood.
  • Understanding the comparative efficacy of WL versus VJ training alongside resistance exercises is crucial for evidence-based coaching.

Purpose of the Study:

  • To compare the short-term effects of heavy resistance training combined with either Olympic weightlifting (WL) or vertical jump (VJ) programs on lower-body power and performance metrics.
  • To evaluate the impact of an 8-week training intervention on sprint speed, jumping ability, agility, and maximal strength in young men.

Main Methods:

  • Thirty-two young men were divided into three groups: Olympic weightlifting (WL) (n=12), vertical jump (VJ) (n=12), and a control group (n=8).

Related Experiment Videos

  • Both WL and VJ groups performed heavy resistance half-squats alongside their respective specialized training protocols for 8 weeks, with increased volume after 4 weeks.
  • Performance outcomes including squat jump (SJ), countermovement jump (CMJ), 10- and 30-m sprint speeds, agility, and maximal strength (1RM half-squat and clean-and-jerk) were assessed pre- and post-intervention.

    • Main Results:

    • The Olympic weightlifting (WL) program significantly enhanced 10-m sprint speed and squat jump (SJ) performance.
    • Both WL and VJ groups improved countermovement jump (CMJ) height, with the WL group showing a greater increase.
    • The VJ group demonstrated a larger improvement in 1RM half-squat strength compared to the WL group, while the control group showed no significant changes.

    Conclusions:

    • Olympic weightlifting (WL) exercises, when combined with heavy resistance training, appear to yield broader performance enhancements in physically active young men compared to vertical jump (VJ) exercises.
    • The findings suggest that WL training may be more effective for improving explosive power relevant to sprinting and jumping tasks.
    • Further research could explore long-term adaptations and the transferability of these gains to specific sport-related skills.