Sensors (Sep 2024)

Validity of Wearable Gait Analysis System for Measuring Lower-Limb Kinematics during Timed Up and Go Test

  • Yoshiaki Kataoka,
  • Tomoya Ishida,
  • Satoshi Osuka,
  • Ryo Takeda,
  • Shigeru Tadano,
  • Satoshi Yamada,
  • Harukazu Tohyama

DOI
https://doi.org/10.3390/s24196296
Journal volume & issue
Vol. 24, no. 19
p. 6296

Abstract

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Few studies have reported on the validity of a sensor-based lower-limb kinematics evaluation during the timed up and go (TUG) test. This study aimed to determine the validity of a wearable gait sensor system for measuring lower-limb kinematics during the TUG test. Ten young healthy participants were enrolled, and lower-limb kinematics during the TUG test were assessed using a wearable gait sensor system and a standard optical motion analysis system. The angular velocities of the hip, knee, and ankle joints in sit-to-stand and turn-to-sit phases were significantly correlated between the two motion analysis systems (R = 0.612–0.937). The peak angles and ranges of motion of hip, knee, and ankle joints in the walking-out and walking-in phases were also correlated in both systems (R = 0.528–0.924). These results indicate that the wearable gait sensor system is useful for evaluating lower-limb kinematics not only during gait, but also during the TUG test.

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