Cited by 69Musculoskeletal pain and rehabilitationContext-Aware Activity Recognition SystemsArtificial Intelligence in Healthcare

Using a Motion Sensor to Categorize Nonspecific Low Back Pain Patients: A Machine Learning Approach

Open access
Abdollahi, Masoud, Ashouri, Sajad, Abedi, Mohsen, Azadeh-Fard, Nasibeh, Parnianpour, Mohamad, Khalaf, Kinda, Rashedi, Ehsan·2020·Sensors

Published version of a preprint

Abstract

Nonspecific low back pain (NSLBP) constitutes a critical health challenge that impacts millions of people worldwide with devastating health and socioeconomic consequences. In today’s clinical settings, practitioners continue to follow conventional guidelines to categorize NSLBP patients based on subjective approaches, such as the STarT Back Screening Tool (SBST). This study aimed to develop a sensor-based machine learning model to classify NSLBP patients into different subgroups according to quantitative kinematic data, i.e., trunk motion and balance-related measures, in conjunction with STarT output. Specifically, inertial measurement units (IMU) were attached to the trunks of ninety-four patients while they performed repetitive trunk flexion/extension movements on a balance board at self-selected pace. Machine learning algorithms (support vector machine (SVM) and multi-layer perceptron (MLP)) were implemented for model development, and SBST results were used as ground truth. The results demonstrated that kinematic data could successfully be used to categorize patients into two main groups: high vs. low-medium risk. Accuracy levels of ~75% and 60% were achieved for SVM and MLP, respectively. Additionally, among a range of variables detailed herein, time-scaled IMU signals yielded the highest accuracy levels (i.e., ~75%). Our findings support the improvement and use of wearable systems in developing diagnostic and prognostic tools for various healthcare applications. This can facilitate development of an improved, cost-effective quantitative NSLBP assessment tool in clinical and home settings towards effective personalized rehabilitation.

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Authors
Abdollahi, M., Ashouri, S., Abedi, M., Azadeh-Fard, N., Parnianpour, M., Khalaf, K., & Rashedi, E.
Affiliations
  • Rochester Institute of Technology (US)
  • RMIT University (AU)
  • Shahid Beheshti University (IR)
  • Department of Industrial and Systems Engineering, Rochester Institute of Technology, Rochester, NY 14623, USA
  • Sharif University of Technology (IR)
  • Khalifa University of Science and Technology (AE)
Corresponding author
Rashedi, Ehsan
Venue
Sensors
Publisher
MDPI AG
Published
2020-06-26
Volume
20
Issue
12
Pages
3600
ISSN
1424-8220 (ISSN-L)
OpenAlex
W3038007004
Cited by
69
References
57
Citations by year
2026: 7 · 2025: 17 · 2024: 18 · 2023: 7 · 2022: 10 · 2021: 6 · 2020: 4
FWCI
4.05
Type
journal article
Language
en
Open access
Locations
  • Sensors (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RMIT Research Repository (RMIT University Library) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Topics
  • Health Sciences › Medicine › Pharmacology › Musculoskeletal pain and rehabilitation
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Health Sciences › Health Professions › Health Information Management › Artificial Intelligence in Healthcare
Keywords
non-specific low back pain, risk stratification, inertial measurement unit, trunk kinematics, balance, STarT Back Screening Tool, wearable sensors, trunk flexion and extension, personalized rehabilitation, prognostic tools
MeSH terms
Machine Learning, Adult, Biomechanical Phenomena, Humans, Middle Aged, Low Back Pain, Torso

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