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Torque-Cadence Profile and Maximal Dynamic Force in Cyclists: A Novel Approach
Víctor Rodríguez-Rielves1, David Barranco-Gil2, Ángel Buendía-Romero1,3
1Human Performance and Sports Science Laboratory, Faculty of Sport Sciences, University of Murcia, 30720 Murcia, Spain.
Sensors (Basel, Switzerland)
|March 28, 2024
Summary
This study validates a new method for assessing cyclists' maximal dynamic force (MDF) and torque-velocity profile using an isoinertial cycle ergometer. The method demonstrates high reliability and long-term stability for training assessments.
Area of Science:
- Sports Science
- Biomechanics
- Exercise Physiology
Background:
- Assessing the force (torque)-velocity (cadence) profile and maximal dynamic force (MDF) is crucial for cyclists.
- Existing methods may have limitations in reliability and long-term stability.
Purpose of the Study:
- To determine the feasibility, test-retest reliability, and long-term stability of a novel method for assessing the torque-cadence profile and MDF in cyclists.
- To evaluate the validity of this new assessment method.
Main Methods:
- Fifty-two trained male cyclists performed a progressive loading test to determine the one-repetition maximum (1RM) on a cycle ergometer.
- Maximal dynamic force (MDF) was defined as the force at 1RM-load.
- The test was repeated after 72 hours and 10 weeks to assess reliability and stability.
Main Results:
- The novel method proved feasible and demonstrated a strong relationship between MDF and cadence (R² = 0.978).
- High test-retest repeatability (SEM = 4 rpm) and long-term stability (SEM = 3 rpm) were observed.
- The MDF increased after 10 weeks of training, but the torque-cadence profile remained stable.
Conclusions:
- The novel method is valid, reliable, and stable for assessing the torque-cadence profile and MDF in cyclists.
- This method provides valuable insights for training and performance monitoring in cycling.
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