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Stopwatch for measuring thumb-movement time

R W Bohannon1

  • 1Program in Physical Therapy, School of Allied Health Professions, University of Connecticut, Storrs 06269, USA.

Perceptual and Motor Skills
|August 1, 1995
PubMed
Summary
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A stopwatch reliably measures thumb-movement time, showing no significant difference between dominant and nondominant hands. This simple method effectively distinguishes healthy individuals from older patients.

Area of Science:

  • Biomedical engineering
  • Movement science
  • Clinical assessment

Background:

  • Accurate measurement of fine motor skills is crucial for assessing neurological and musculoskeletal conditions.
  • Existing methods for quantifying motor function can be complex or require specialized equipment.

Purpose of the Study:

  • To evaluate the feasibility and reliability of using a stopwatch for measuring thumb-movement time.
  • To determine if stopwatch-based thumb-movement time can differentiate between healthy individuals and older patients.

Main Methods:

  • Participants performed thumb-movement tasks, timed using a standard stopwatch.
  • Intrasession reliability was assessed by repeated measurements.
  • Measurements were compared between a group of healthy individuals and a group of older patients.

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Main Results:

  • Thumb-movement time measurements showed high intrasession reliability.
  • No significant differences were found between dominant and nondominant hands.
  • The stopwatch method successfully discriminated between healthy participants and older patients.

Conclusions:

  • A stopwatch is a feasible, reliable, and cost-effective tool for measuring thumb-movement time.
  • This simple method has potential clinical utility in differentiating age-related or disease-related changes in motor function.