Upper limb analysis measured by inertial measurement unit tool: a case report

Filip Wołoszyn
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Anna Czmil
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Laboratory for Innovative Cardiopulmonary Research, Centre for Innovative Research in Medical and Natural Sciences, Medical College of Rzeszów University, Rzeszów, Poland
Department of Computer Sciences, Rzeszów University of Technology, Rzeszów, Poland
Received: 6 December 2018 / Accepted: 17 January 2019 / Published: 30 March 2019

Abstract

Introduction. This article reports differences in accurate and inaccurate forehand and backhand strokes in tennis. The tests were carried out on a professional tennis player. The duration of a stroke, the heights of the individual segments of the right upper limb and differences in the heights of the segments at the beginning and at the end of every phase of stroke were examined.

Aim. The major aim of the work was to expose upper limb disparity in stokes.

Description of the case. The research tool was inertial motion sensors (IMS) based on an accelerometer, a gyroscope and a magnetometer. A professional tennis player was examined using the individual case method and kinematic analysis.

Results. The analysis concerned the average time to perform forehand and backhand strokes during all phases of the stroke, i.e. preparation, acceleration and follow-through phases. The average heights of the individual upper limb segments during a stroke were also taken into account. The results of the study are meant to show how the movement of the upper limb affects the accuracy and velocity of a stroke.

Conclusion. The movements of individual segments in some accurate strokes were similar to those in inaccurate strokes.

 

Cite

Wołoszyn F, Czmil A. Upper limb analysis measured by inertial measurement unit tool: a case report. Eur J Clin Exp Med. 2019;17(1):94–100. doi: 10.15584/ejcem.2019.1.16

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