Reproducibility of standardized fine motor control tasks and age effects in healthy adults

Esther J. Smits, Antti J. Tolonen, Luc Cluitmans, Mark van Gils, Rutger C. Zietsma, Marina A.J. Tijssen, Natasha M. Maurits

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Abstract

Graphical tasks can provide objective measures of important motor symptoms of movement disorders such as Parkinson's disease (PD). These tasks could potentially be useful in clinical settings for (early) diagnosis and monitoring of such diseases. However, before such tasks can be used clinically, reproducibility needs to be investigated. The present study assesses the reproducibility of these graphical tasks including age-effects in healthy adults. Overall, performance on circle, spiral and zigzag tracing tasks and a writing task showed good reproducibility (intraclass correlation coefficients (ICC) > 0.7). Reproducibility was similar to the reproducibility of the Purdue pegboard task, which is an already validated fine motor control task. Reproducibility for the modified Fitts’ task was moderate (ICC = 0.6). Reproducibility was higher in older participants compared to younger participants. To conclude, performance on graphical tasks, especially tracing and writing tasks, was reproducible in healthy adults, which is essential for future diagnostic and monitoring purposes in patients.

Original languageEnglish
Pages (from-to)177-184
JournalMeasurement
Volume114
Issue numberJan
Early online date2018
DOIs
Publication statusPublished - 1 Jan 2018
MoE publication typeA1 Journal article-refereed

Keywords

  • Accuracy
  • Drawing
  • Fine motor control
  • Handwriting
  • Intraclass correlation
  • Movement time
  • Reproducibility

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