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Evaluating Performance of the Single Leg Squat Exercise with a Single Inertial Measurement Unit
Date Issued
2015-10-02
Date Available
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.
Sponsorship
Irish Research Council
Science Foundation Ireland
Type of Material
Journal Article
Publisher
ACM
Start Page
144
End Page
147
Copyright (Published Version)
2015 ACM
Language
English
Status of Item
Peer reviewed
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
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