Prediction of ground reaction forces for Parkinson's disease patients using a kinect-driven musculoskeletal gait analysis model

Moataz Mohamed Eltoukhy, Christopher Kuenze, Michael S. Andersen, Jeonghoon Oh, Joseph Signorile

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Kinetic gait abnormalities result in reduced mobility among individuals with Parkinson's disease (PD). Currently, the assessment of gait kinetics can only be achieved using costly force plates, which makes it difficult to implement in most clinical settings. The Microsoft Kinect v2 has been shown to be a feasible clinic-based alternative to more sophisticated three-dimensional motion analysis systems in producing acceptable spatiotemporal and kinematic gait parameters. In this study, we aimed to validate a Kinect-driven musculoskeletal model using the AnyBody modeling system to predict three-dimensional ground reaction forces (GRFs) during gait in patients with PD. Nine patients with PD performed over-ground walking trials as their kinematics and ground reaction forces were measured using a Kinect v2 and force plates, respectively. Kinect v2 model-based and force-plate measured peak vertical and horizontal ground reaction forces and impulses produced during the braking and propulsive phases of the gait cycle were compared. Additionally, comparison of ensemble curves and associated 90% confidence intervals (CI90) of the three-dimensional GRFs were constructed to investigate if the Kinect sensor could provide consistent and accurate GRF predictions throughout the gait cycle. Results showed that the Kinect v2 sensor has the potential to be an effective clinical assessment tool for predicting GRFs produced during gait for patients with PD. However, the observed findings should be replicated and model reliability established prior to integration into the clinical setting.

Original languageEnglish (US)
Pages (from-to)75-82
Number of pages8
JournalMedical Engineering and Physics
Volume50
DOIs
StatePublished - Dec 1 2017

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Gait analysis
Gait
Parkinson Disease
Kinematics
Kinetics
Biomechanical Phenomena
Sensors
Braking
Walking
Confidence Intervals

Keywords

  • Gait analysis
  • GRF prediction
  • Kinect
  • Parkinson's disease

ASJC Scopus subject areas

  • Biophysics
  • Biomedical Engineering

Cite this

Prediction of ground reaction forces for Parkinson's disease patients using a kinect-driven musculoskeletal gait analysis model. / Eltoukhy, Moataz Mohamed; Kuenze, Christopher; Andersen, Michael S.; Oh, Jeonghoon; Signorile, Joseph.

In: Medical Engineering and Physics, Vol. 50, 01.12.2017, p. 75-82.

Research output: Contribution to journalArticle

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