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Updated: Feb 22, 2026

Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
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Power-Time Curve Comparison between Weightlifting Derivatives.

Timothy J Suchomel1, Christopher J Sole2

  • 1Department of Human Movement Sciences, Carroll University, Waukesha, WI, USA.

Journal of Sports Science & Medicine
|September 16, 2017
PubMed
Summary

The jump shrug (JS) and hang high pull (HHP) generate greater relative peak power and work than the hang power clean (HPC). Lighter loads (30-45% 1RM) are optimal for JS and HHP, while heavier loads (65-80% 1RM) benefit HPC.

Keywords:
Hang power cleanhang high pulljump shrugmechanical worktime normalization

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Area of Science:

  • Biomechanics
  • Exercise Physiology
  • Sports Science

Background:

  • Weightlifting derivatives are crucial for developing explosive power.
  • Understanding the nuances of power production across different exercises is vital for optimizing training programs.
  • Power-time (P-t) curves offer detailed insights into the dynamics of force application during movement.

Purpose of the Study:

  • To compare the power production characteristics of three weightlifting derivatives: hang power clean (HPC), jump shrug (JS), and hang high pull (HHP).
  • To analyze differences in relative peak power (PPRel), work (WRel), and P-t curves across various relative loads (30-80% of 1RM HPC).
  • To identify optimal loading parameters for each exercise to maximize power development.

Main Methods:

  • Thirteen resistance-trained males participated in the study.
  • Participants performed repetitions of HPC, JS, and HHP at relative loads of 30%, 45%, 65%, and 80% of their one-repetition maximum (1RM) HPC.
  • Data on PPRel, WRel, and P-t curves were collected and statistically analyzed.

Main Results:

  • The JS demonstrated significantly higher PPRel and WRel compared to both HPC and HHP (large effect sizes).
  • The HHP also showed significantly greater PPRel and WRel than the HPC (moderate effect sizes).
  • P-t profiles were similar initially, but JS and HHP diverged from HPC in the final 15-20% of the movement, indicating superior power application.

Conclusions:

  • JS and HHP are superior to HPC for enhancing relative peak power and work, particularly at lighter loads (30-45% 1RM HPC).
  • HPC may be more effective for power development at higher loads (65-80% 1RM HPC).
  • These findings provide valuable guidance for selecting appropriate weightlifting derivatives and loading parameters to optimize power training.