Evaluating Performance of the Single Leg Squat Exercise with a Single Inertial Measurement Unit

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Title: Evaluating Performance of the Single Leg Squat Exercise with a Single Inertial Measurement Unit
Authors: O'Reilly, MartinWard, TomásDelahunt, EamonnCaulfield, Brian
Permanent link: http://hdl.handle.net/10197/8548
Date: 2-Oct-2015
Online since: 2017-05-26T15:26:25Z
Abstract: The single leg squat (SLS) is an important component of lower limb rehabilitation and injury risk screening tools. This study sought to investigate whether a single lumbar-worn IMU is capable of discriminating between correct and incorrect performance of the SLS. Nineteen healthy volunteers (15 males, 4 females, age: 26.09± 3.98 years, height: 1.75± 0.14m, body mass: 75.2±14.2kg) were fitted with a single IMU on the lumbar spine and asked to perform 10 left leg SLS. These repetitions were recorded and labelled by a chartered physiotherapist. Features were extracted from the labelled sensor data. These features were used to train and evaluate a random-forests classifier. The system achieved an average of 92% accuracy, 78% sensitivity and 97% specificity. These results indicate that a single IMU has the potential to differentiate between a correctly and incorrectly completed SLS. This may allow such devices to be used by clinicians to help track rehabilitation of patients and screen for potential injury risks. Furthermore, the classifier described may be a useful input to an exercise biofeedback application.
Funding Details: Irish Research Council
Science Foundation Ireland
Type of material: Journal Article
Publisher: ACM
Start page: 144
End page: 147
Copyright (published version): 2015 ACM
Keywords: Personal sensingExerciseClassification
DOI: 10.1145/2838944.2838979
Language: en
Status of Item: Peer reviewed
Is part of: REHAB '15: Proceedings of the 3rd 2015 Workshop on ICTs for improving Patients Rehabilitation Research Techniques
Conference Details: REHAB '15: 3rd 2015 Workshop on ICTs for improving Patients Rehabilitation Research Techniques, Lisbon, Portugal, 1-2 October 2015
ISBN: 9781450338981
This item is made available under a Creative Commons License: https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Appears in Collections:Public Health, Physiotherapy and Sports Science Research Collection
Insight Research Collection

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