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Effect of cluster set configurations on power clean technique
Justin P Hardee1, Marcus M Lawrence, Kevin A Zwetsloot
1Neuromuscular and Biomechanics Laboratory, Department of Health, Leisure and Exercise Science, Appalachian State University, Boone, North Carolina, USA.
Journal of Sports Sciences
|November 6, 2012
Summary
Cluster set configurations with over 20 seconds rest maintain power clean technique better than traditional sets. Shorter rests, like 0 seconds, significantly degrade lifting form and vertical displacement.
Area of Science:
- Sports Science
- Biomechanics
- Strength and Conditioning
Background:
- Maintaining proper technique during resistance training is crucial for performance and injury prevention.
- Cluster set configurations, involving short intra-set rest periods, are increasingly used in strength training.
- The impact of varying inter-repetition rest within cluster sets on the power clean technique requires further investigation.
Purpose of the Study:
- To analyze the effects of different inter-repetition rest durations within cluster set configurations on the technical execution of the power clean.
- To compare the technique maintenance across cluster set protocols with 0, 20, and 40 seconds of inter-repetition rest.
Main Methods:
- Ten male recreational weightlifters performed three sets of six repetitions of the power clean at 80% of their one-repetition maximum.
- Inter-repetition rest intervals were manipulated: 0 seconds (P0), 20 seconds (P20), and 40 seconds (P40).
- Kinematic analysis, specifically horizontal and vertical displacement, was used to assess technique changes from repetition 1 to repetition 6 within each set.
Main Results:
- Traditional sets (P0) showed significant forward displacement in the catch and first pull, and decreased vertical displacement from repetition 1 to 6.
- Cluster sets with 40 seconds (P40) rest exhibited technique alterations in the second pull and loop (set 2) and first pull, transition, and second pull (set 3).
- Cluster sets with 20 seconds (P20) rest demonstrated no significant differences in horizontal displacement between repetitions 1 and 6, maintaining vertical displacement across all sets.
Conclusions:
- Cluster set configurations, particularly with inter-repetition rest exceeding 20 seconds, are effective in preserving power clean technique.
- Shorter rest intervals (0 seconds) lead to a decline in lifting technique, evidenced by altered displacements.
- These findings suggest that optimizing inter-repetition rest within cluster sets is key for maintaining technical proficiency in the power clean.
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