An instrumented assessment of a rhythmic finger task among children with motor coordination difficulties

Artal Keinan, Tami Bar-Shalita, Sigal Portnoy*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Background: Coordination is crucial for motor function, yet objective clinical evaluations are limited. We therefore developed and tested the reliability and validity of a low-cost sensorized evaluation of a rhythmic finger task. Methods: Children with coordination difficulties (n = 24) and typically developing children (n = 24) aged from 5 to 7 years performed the Sensorized Finger Sequencing Test (SFST), a finger sequencing test that records the correct sequence, total time, and the standard deviation (SD) of touch time. Additionally, motor performance tests and parents’ reports were applied in order to test the reliability and validity of the SFST. Results: The study group had significantly greater thumb-finger test scores—total time in the dominant hand (p = 0.035) and the SD of the touch time in both dominant (p = 0.036) and non-dominant (p = 0.032) hands. Motor performance tests were not correlated with the SFST. Test–retest reliability in 10 healthy children was found for the SD of touch time in the dominant hand (r = 0.87, p = 0.003). Conclusions: The SFST was successful in assessing the movement pattern variability reported in children with motor difficulties. This exploratory study indicates that the low-cost SFST could be utilized as an objective measure for the assessment of proprioception components, which currently are overlooked by standardized motor performance assessments.

Original languageEnglish
Article number4554
Pages (from-to)1-10
Number of pages10
Issue number16
StatePublished - 2 Aug 2020


  • Low-cost sensorized assessment
  • Motor coordination
  • Motor evaluation
  • Performance-based assessment
  • Thumb-finger test


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