Reliability and Sensitivity of Enode/Vmaxpro Sensor for Muscle Power Assessment

Area of Science:

• Biomechanics
• Sports Science
• Human Movement Analysis

Background:

• Performance monitoring is crucial for training, irrespective of physical activity level.
• The Enode/Vmaxpro sensor is a tool used for assessing various performance parameters.
• Evaluating the sensor's reliability and sensitivity is essential for its practical application.

Purpose of the Study:

• To assess the reliability and sensitivity of the Enode/Vmaxpro sensor for performance parameter measurements.
• To determine the metric characteristics of average velocity, peak velocity, average power, peak power, movement length, and movement duration.
• To validate the sensor's utility in biomechanics and sports diagnostics.

Main Methods:

• Twenty-seven participants (15 men, 12 women) underwent body composition analysis.
• Participants performed leg extension/leg curl exercises with each leg under a 30% body mass load.
• Descriptive statistics, reliability analyses (ICC), and difference analyses were used to evaluate repeatability and sensitivity.

Main Results:

• High reliability was found for the Enode/Vmaxpro sensor across all participants (ICC: 0.937-0.991), men (ICC: 0.899-0.984), and women (ICC: 0.908-0.990).
• Significant differences in performance were observed based on sex, activity level, and movement type (p=0.000).
• No significant differences were found between right and left leg performance.

Conclusions:

• The Enode/Vmaxpro sensor exhibits adequate reliability for muscle power testing.
• The sensor demonstrates sufficient sensitivity to detect differences in performance.
• The findings support the use of the Enode/Vmaxpro sensor in biomechanics and sports diagnostics.