<abstract xmlns="http://www.w3.org/1999/xhtml"><italic>Study aim:</italic> the aim of the study was to compare two methods for measuring punching and kicking force and the reaction time of athletes.<italic>
Material and methods:</italic> both systems were designed to measure and to analyse the mechanical characteristics of punches and strikes delivered by upper and lower limbs to a punching bag. The main difference between both punching bags was the way in which the delivered force was measured. The first method used strain gauges while the second method used accelerometer technology. Both systems consisted of a punching bag with software, attached signal diodes, and either embedded accelerometers or strain gauges. The bags were of different sizes. Acceleration transducers and gyroscopes or strain gauges were placed inside the punching bags, which allowed for measuring dynamics while the bag was struck. The software calculated strike force, the point of force application and its direction, and reaction time. Both systems were tested.<italic>Results: </italic>the results of the accelerometer-based method show that the mean relative error of force calculation amounts to 3%. The measurement error of acceleration is less than 1%. The mean relative measurement error of the striking surface on the punching bag is 2%. However, the measurement error of force recorded with the strain gauge-based method is less than 1%. The results show that both systems are similar.<italic>
Conclusions: </italic>the punching bag having an embedded accelerometer is equipped with more versatile software, which makes the system a good tool for practical application in combat sport training.</abstract>

Study aim: the aim of the study was to compare two methods for measuring punching and kicking force and the reaction time of athletes.
Material and methods: both systems were designed to measure and to analyse the mechanical characteristics of punches and strikes delivered by upper and lower limbs to a punching bag. The main difference between both punching bags was the way in which the delivered force was measured. The first method used strain gauges while the second method used accelerometer technology. Both systems consisted of a punching bag with software, attached signal diodes, and either embedded accelerometers or strain gauges. The bags were of different sizes. Acceleration transducers and gyroscopes or strain gauges were placed inside the punching bags, which allowed for measuring dynamics while the bag was struck. The software calculated strike force, the point of force application and its direction, and reaction time. Both systems were tested.Results: the results of the accelerometer-based method show that the mean relative error of force calculation amounts to 3%. The measurement error of acceleration is less than 1%. The mean relative measurement error of the striking surface on the punching bag is 2%. However, the measurement error of force recorded with the strain gauge-based method is less than 1%. The results show that both systems are similar.
Conclusions: the punching bag having an embedded accelerometer is equipped with more versatile software, which makes the system a good tool for practical application in combat sport training.

Comparison of two boxing training simulators

Department of Biomechanics, Institute of Sport, Warsaw, Poland

Department of Ergonomics, Central Institute For Labour Protection – National Research Institute (CIOP – PIB)

Biomedical Human Kinetics

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

{"article-title":"Comparison of two boxing training simulators"}

Study aim: the aim of the study was to compare two methods for measuring punching and kicking force and the reaction time of athletes.
Material and methods:...

Comparison of two boxing training simulators

Published Online: Dec 11, 2014

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DOI: https://doi.org/10.2478/bhk-2014-0022

© University of Physical Education, Warsaw, Poland

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.