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Optimal barbell force-velocity profiles can contribute to maximize weightlifting performance
1Department of Strength, Power and Technical Sports, Institute for Applied Training Science, Leipzig, Germany.
Plos One
|August 18, 2023
Summary
Weightlifting performance in the snatch is maximized by optimizing the force-velocity relationship (FvR) profile. Improving maximal barbell power output (Pmax) and reducing vertical barbell threshold velocity (vthres) are key training goals.
Area of Science:
- Biomechanics
- Sports Science
- Human Movement
Background:
- Maximal barbell power output (Pmax) and vertical barbell threshold velocity (vthres) are critical for weightlifting success.
- An optimal force-velocity relationship (FvR) profile can further enhance athletic performance.
Purpose of the Study:
- To develop a biomechanical model for calculating an optimal FvR profile in weightlifting.
- To assess the influence of vthres, Pmax, and the optimal FvR profile on theoretical snatch performance (snatchth).
Main Methods:
- Biomechanical modeling and simulation were employed to quantify the impact of different variables on snatchth.
- Simulations were used to analyze the relationship between FvR profile characteristics and performance outcomes.
Main Results:
- Theoretical snatch performance (snatchth) is maximized at an optimal FvR profile when vthres and Pmax are constant.
- Increasing Pmax and decreasing vthres shift the optimal FvR profile towards a more force-dominant strategy, enhancing snatchth.
- Sensitivity analysis indicated that vthres and Pmax have a greater impact on snatchth than the FvR profile itself.
Conclusions:
- Weightlifting training should prioritize enhancing Pmax and reducing vthres to improve snatchth.
- For elite athletes with high Pmax, pursuing an optimal FvR profile can serve as an additional strategy for performance enhancement.
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