Skip to main content
. 2023 Jul 7;23(13):6213. doi: 10.3390/s23136213

Table 1.

Summary of instrumentations and methods in the experimental setup.

Instrumentation Details
Instrumented crutches

  • Range: 0–600 N

  • Uncertainty: 6 N (p = 95%)

  • Crutch mass: 1 kg

  • Sampling frequency: 60 Hz

  • Data sharing protocol: ROS

  • Time synchronization: NTP server
Optoelectronic motion capture system (Vicon Motion Systems Ltd., Yarnton, UK)

  • Cameras: 8

  • Volume: 6 × 3 × 3 m

  • Marker protocol:
    • ○
      full body VICON plug-in gait (39 markers)
    • ○
      2 markers on each foot
    • ○
      3 markers on each crutch

  • Sampling frequency: 100 Hz
LockLab Control Box (Vicon Motion Systems Ltd., Yarnton, UK)

  • Time synchronization: generates trigger output
BTS force platforms (BTS S.p.A., Garbagnate Milanese, Italy)

  • Dimensions: 0.8 × 0.6 m

  • Range: 2 kN

  • Uncertainty:

  • Sampling frequency: 1 kHz

  • Time synchronization: receives start/stop trigger from LockLab
Crutches Trigger box

  • Available I/O channels: 3

  • Data sharing protocol: ROS

  • Crutch time synchronization: NTP server

  • System time synchronization receives a start/stop trigger from LockLab