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Peak Tibiofemoral Contact Forces Estimated Using IMU-Based Approaches Are Not Significantly Different from Motion Capture-Based Estimations in Patients with Knee Osteoarthritis
- Source :
- Sensors; Volume 23; Issue 9; Pages: 4484
- Publication Year :
- 2023
- Publisher :
- MDPI, 2023.
-
Abstract
- Altered tibiofemoral contact forces represent a risk factor for osteoarthritis onset and progression, making optimization of the knee force distribution a target of treatment strategies. Musculoskeletal model-based simulations are a state-of-the-art method to estimate joint contact forces, but they typically require laboratory-based input and skilled operators. To overcome these limitations, ambulatory methods, relying on inertial measurement units, have been proposed to estimated ground reaction forces and, consequently, knee contact forces out-of-the-lab. This study proposes the use of a full inertial-capture-based musculoskeletal modelling workflow with an underlying probabilistic principal component analysis model trained on 1787 gait cycles in patients with knee osteoarthritis. As validation, five patients with knee osteoarthritis were instrumented with 17 inertial measurement units and 76 opto-reflective markers. Participants performed multiple overground walking trials while motion and inertial capture methods were synchronously recorded. Moderate to strong correlations were found for the inertial capture-based knee contact forces compared to motion capture with root mean square error between 0.15 and 0.40 of body weight. The results show that our workflow can inform and potentially assist clinical practitioners to monitor knee joint loading in physical therapy sessions and eventually assess long-term therapeutic effects in a clinical context. ispartof: SENSORS vol:23 issue:9 ispartof: location:Switzerland status: published
- Subjects :
- Technology
principal component analysis
PREDICTION
Biochemistry
knee osteoarthritis
Analytical Chemistry
GROUND REACTION FORCES
Engineering
ADDUCTION MOMENT
SENSORS
Electrical and Electronic Engineering
OpenSim
HEALTHY
Instrumentation
Instruments & Instrumentation
joint moments
JOINT KINEMATICS
IN-VIVO
Science & Technology
wearable sensors
Chemistry, Analytical
musculoskeletal modelling
Engineering, Electrical & Electronic
knee contact forces
IMU
ground reaction forces
Atomic and Molecular Physics, and Optics
GAIT MODIFICATION
Chemistry
Physical Sciences
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Sensors; Volume 23; Issue 9; Pages: 4484
- Accession number :
- edsair.doi.dedup.....ef432f6dea4b1c8fc455e0ab306a3949