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Validation of a graphic test to quantitatively assess the dominant hand dexterity

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  • Alessandra Angelucci
  • Andrea Tettamanti
  • Elisabetta Sarasso
  • Massimo Filippi
  • Andrea Aliverti
  • Marina Scarlato

Abstract

Dexterity dysfunction is a key feature of disability in many neurological and non-neurological diseases. The Nine-Hole Peg Test (NHPT) is the most used test to assess hand dexterity in clinical practice but presents limitations. A new graphic test to enhance objective evaluation of the of the dominant hand dexterity is proposed. The task consists in drawing a continuous line in paths composed by a part with multiple orthogonal changes of direction (‘meander’), and a second part derived from the Archimedean spiral (‘spiral’). The test was validated in 200 healthy controls and 93 neurological patients. 48 patients performed also the NHPT. Several parameters were analyzed, among which total time, total length, number of touches and number of crossings. Healthy subjects display statistically significant differences with respect to pathological subjects in the case of total time, number of touches, and number of crossings (p

Suggested Citation

  • Alessandra Angelucci & Andrea Tettamanti & Elisabetta Sarasso & Massimo Filippi & Andrea Aliverti & Marina Scarlato, 2022. "Validation of a graphic test to quantitatively assess the dominant hand dexterity," PLOS ONE, Public Library of Science, vol. 17(8), pages 1-16, August.
    • Handle: RePEc:plo:pone00:0271889
    DOI: 10.1371/journal.pone.0271889
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