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. 2021 Oct 20;21(21):6947.
doi: 10.3390/s21216947.

Validation of a Unique Boxing Monitoring System

Tobias Menzel  1 , Wolfgang Potthast  1
Affiliations

Validation of a Unique Boxing Monitoring System

Tobias Menzel et al. Sensors (Basel). .

Abstract

Much development work and scientific research has been conducted in recent years in the field of detecting human activity and the measurement of biomechanical performance parameters using portable sensor technologies, so-called wearable systems. Despite the fact that boxers participating in one of the most vigorous and complex disciplines of all sports, it is one of the disciplines where no noteworthy, advanced performance analytic tools are used for training or for competition purposes worldwide. This research aimed to develop and validate a comprehensive punch performance sensor system for the measurement and analysis of biomechanical parameters in the sport of boxing. A comprehensive validation study on linear regression was conducted following the development of the sensor system, between the gold standard of a Kistler force plate and Vicon motion capture system, to compare sensor-derived measurements with the gold standard-derived measurements. The developed sensor system demonstrated high accuracies ranging from R2 = 0.97 to R2 = 0.99 for punch force, acceleration, velocity and punch-time data. The validation experiments conducted demonstrated the significant accuracy of the sensor-derived measurements for predicting boxing-specific biomechanical movement parameters while punching in field use. Thus, this paper presents a unique sensor system for comprehensive measurements of biomechanical parameters using the developed mobile measurement system in the field of combat sports.

Keywords: Smart Wearable; biomechanics analysis; boxing monitoring system; instrumented sports equipment; punch force; strike trajectory.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Test setup schematic.
Figure 2
Figure 2
Centrifugal measurement data acquisition.
Figure 3
Figure 3
Vicon motion capture testing: (a) preparation phase, (b) throwing phase.
Figure 4
Figure 4
Punch force validation: Sensor-derived force (N) vs. Force plate-derived force (N).
Figure 5
Figure 5
Force-time progression sensor (green) vs. Kistler force plate (black).
See this image and copyright information in PMC

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