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Related Experiment Videos

Development of the Functional Dexterity Test (FDT): construction, validity, reliability, and normative data.

Dorit H Aaron1, Caroline W Stegink Jansen

  • 1Functional Hand Therapy Alliance, Inc. Houston, Texas, USA. DHA2@aol.com

Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists
|March 4, 2003
PubMed
Summary

The Functional Dexterity Test (FDT) is a quick and reliable hand dexterity assessment for routine examinations. It measures a patient's ability to perform daily tasks using a three-jaw chuck grip.

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Area of Science:

  • Hand surgery
  • Occupational therapy
  • Physical medicine and rehabilitation

Background:

  • Traditional dexterity tests are time-consuming.
  • Assessing hand dexterity is crucial for comprehensive hand examinations.
  • There is a need for efficient and informative dexterity assessments.

Purpose of the Study:

  • Introduce the Functional Dexterity Test (FDT) as a time-efficient measure of hand dexterity.
  • Provide a tool for routine hand examinations that assesses daily task performance.
  • Validate the FDT for clinical use.

Main Methods:

  • The Functional Dexterity Test (FDT) was developed over 20 years.
  • Interrater and intrarater reliability were assessed.
  • Construct validity was confirmed in two clinical studies.

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  • Preliminary normative data were collected from convenience samples.

    • Main Results:

    • The FDT demonstrates good to excellent interrater and intrarater reliability.
    • Construct validity was confirmed in clinical studies.
    • Preliminary normative data are available.
    • The FDT assesses the three-jaw chuck prehension crucial for daily tasks.

    Conclusions:

    • The Functional Dexterity Test (FDT) is a reliable and valid measure of hand dexterity.
    • The FDT is suitable for routine clinical use due to its minimal administration time.
    • The test provides valuable information on a patient's functional hand capacity for daily activities.