Reliability of a device designed to measure ankle mobility

L. Harvey, A. Byak, M. Ostrovskaya, J. Glinsky

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


Study design: Repeated measures design.
Objective: To assess the reliability of a device designed to measure ankle mobility in the clinical setting.
Setting: Spinal Cord Injury Unit, Sydney, Australia.
Methods: Consecutive sample of 15 patients with paraplegia and tetraplegia with injuries of less than 1 year duration was studied. Ankle mobility was measured on two separate occasions 2 or 3 days apart. Stretch torque was standardised and ankle range of motion measured with an inclinometer attached to the footplate. Intraclass correlation coefficients and percent close agreement scores were used to assess agreement between mean measurements obtained on days 1 and 2.
Results: The intraclass correlation coefficient was 0.95 (95% CI, 0.91–0.98). Measurements obtained on day 1 were within 3° of the measurements obtained on day 2 77% of the time and within 6° 97% of the time.
Conclusion: The footplate is a reliable and simple way to measure ankle mobility in people with spinal cord injuries.
Sponsorship: The Motor Accident Authority of NSW
Original languageEnglish
Pages (from-to)559-562
Number of pages4
JournalSpinal Cord
Publication statusPublished - 2003
Externally publishedYes


  • joint range of motion
  • measurement
  • rehabilitation
  • ankle

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