Data collection and analysis using wearable sensors for monitoring knee range of motion after total knee arthroplasty

Chih Yen Chiang, Kun Hui Chen, Kai Chun Liu, Steen Jun Ping Hsu, Chia Tai Chan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

Total knee arthroplasty (TKA) is the most common treatment for degenerative osteoarthritis of that articulation. However, either in rehabilitation clinics or in hospital wards, the knee range of motion (ROM) can currently only be assessed using a goniometer. In order to provide continuous and objective measurements of knee ROM, we propose the use of wearable inertial sensors to record the knee ROM during the recovery progress. Digitalized and objective data can assist the surgeons to control the recovery status and flexibly adjust rehabilitation programs during the early acute inpatient stage. The more knee flexion ROM regained during the early inpatient period, the better the long-term knee recovery will be and the sooner early discharge can be achieved. The results of this work show that the proposed wearable sensor approach can provide an alternative for continuous monitoring and objective assessment of knee ROM recovery progress for TKA patients compared to the traditional goniometer measurements.

Original languageEnglish
Article number418
JournalSensors (Switzerland)
Volume17
Issue number2
DOIs
StatePublished - 22 Feb 2017

Keywords

  • Goniometer
  • Inertial sensor
  • Range of motion
  • ROM
  • TKA
  • Total knee arthroplasty
  • Wearable sensor

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