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Updated: May 15, 2026
07:24
A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers
Published on: April 21, 2017
The reliability of accelerometry to measure weightlifting performance
Kimitake Sato1, William A Sands, Michael H Stone
1Center of Excellence for Sport Science and Coach Education, East Tennessee State University, Campus Box 70654, Johnson City, TN 37614, USA. jpnsatok@hotmail.com
Sports Biomechanics
|December 25, 2012
Summary
Portable accelerometers reliably track weightlifters' barbell acceleration. Peak acceleration decreases as lifting intensity increases, offering practical performance monitoring insights.
Area of Science:
- Sports Science
- Biomechanics
- Performance Analysis
Background:
- Accurate measurement of barbell acceleration is crucial for understanding weightlifting technique and performance.
- Portable technology offers a practical alternative to laboratory-based assessments.
Purpose of the Study:
- To assess the test-retest reliability of a portable accelerometer for measuring barbell acceleration.
- To compare peak barbell acceleration across different training intensities (80%, 85%, 90% of one repetition maximum).
Main Methods:
- Twelve nationally ranked weightlifters participated in three training sessions.
- A portable accelerometer measured resultant barbell acceleration during the snatch lift at 100 Hz.
- Data analyzed using intra-class correlation coefficients (ICCs) and one-way repeated measure ANOVA.
Main Results:
- The portable accelerometer demonstrated high test-retest reliability (ICC = 0.88).
- Significant differences in peak barbell acceleration were observed across intensities.
- Acceleration decreased as barbell mass increased.
Conclusions:
- Portable accelerometers are reliable tools for measuring barbell acceleration in weightlifting.
- Findings suggest utility for practical, real-world performance monitoring.
- Further research can leverage this technology to analyze weightlifter performance.
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