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Association of the load-velocity relationship variables with 2000-m rowing ergometer performance
Alejandro Pérez-Castilla1, Mauricio Elías Leandro Quidel-Catrilelbún2,3, Manuel A Rodríguez-Pérez4,5
1Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain.
European Journal of Sport Science
|March 15, 2022
Summary
The load-velocity relationship effectively differentiates rowing performance between younger (U16) and older (O16) athletes. These load-velocity variables strongly correlate with 2000-meter rowing ergometer results, offering a precise assessment tool.
Area of Science:
- Sports Science and Biomechanics
- Exercise Physiology
- Athletic Performance Analysis
Background:
- The load-velocity (L-V) relationship is a key indicator of neuromuscular capacity.
- Assessing maximal mechanical variables is crucial for optimizing athletic performance in rowing.
- Understanding age-related differences in mechanical profiles can inform training strategies.
Purpose of the Study:
- To compare maximal mechanical variables from the L-V relationship and 2000-meter rowing performance between different age categories of rowers.
- To identify which L-V relationship variables best predict 2000-meter rowing ergometer performance.
- To evaluate the utility of the L-V relationship for assessing neuromuscular profiles in competitive rowers.
Main Methods:
- Nineteen competitive rowers (15-25 years) were assessed.
- Maximal mechanical variables (L-V relationship intercepts and area) were determined during squat jump and prone bench pull exercises.
- Rowers were categorized into under 16 (U16) and over 16 (O16) age groups.
- 2000-meter rowing ergometer performance was evaluated.
Main Results:
- Older rowers (O16) exhibited significantly higher load-axis intercept (L0) and area under the L-V relationship line (Aline) compared to younger rowers (U16).
- Velocity-axis intercept (v0) was comparable between age groups.
- The O16 group demonstrated superior 2000-meter rowing performance (shorter total time) compared to the U16 group.
- Significant correlations were found between rowing performance and L-V relationship variables from both squat jump and prone bench pull exercises.
Conclusions:
- The L-V relationship is a sensitive method for evaluating maximal mechanical capacities in the lower and upper body of competitive rowers.
- L-V relationship variables can effectively differentiate between rowers of different age categories.
- These variables are significantly associated with 2000-meter rowing ergometer performance, providing a valuable tool for coaches and practitioners to assess rower profiles.
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