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Related Experiment Video

Updated: May 20, 2026

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
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Evaluating Postural Transition Movement Performance in Individuals with Essential Tremor via the Instrumented Timed

Patrick G Monaghan1, William M Murrah2, Harrison C Walker3,4,5

  • 1School of Kinesiology, Auburn University, Auburn, AL 36849, USA.

Sensors (Basel, Switzerland)
|April 13, 2024
PubMed
Summary

People with essential tremor (ET) show impaired movement during postural transitions. The timed up and go test revealed difficulties in all phases for individuals with ET, especially during a water-carry task.

Keywords:
essential tremorfunctional assessmentgaitmobilitywearable sensor

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Area of Science:

  • Neurology
  • Movement Science
  • Rehabilitation Medicine

Background:

  • Postural transitions are vital for daily mobility.
  • Essential tremor (ET) significantly impacts movement, affecting balance and independence.
  • Limited research exists on postural transition performance in individuals with ET.

Purpose of the Study:

  • To evaluate postural transition performance in individuals with essential tremor (ET).
  • To compare performance on standard and water-carry versions of the Timed Up and Go (TUG) test in ET.
  • To identify specific movement phases affected by ET.

Main Methods:

  • Assessed 15 individuals with ET and 15 controls using standard and water-carry TUG tests.
  • Measured total TUG duration and time for sit-to-stand, walk, and stand-to-sit phases.
  • Compared turning velocity between groups and TUG versions.

Main Results:

  • Individuals with ET demonstrated reduced performance across all TUG phases compared to controls.
  • Both ET and control groups performed worse on the water-carry TUG than the standard TUG.
  • Decreased performance was observed in sit-to-stand, walk, and stand-to-sit phases for the ET group.

Conclusions:

  • Postural transition deficits are evident in individuals with ET across various movement phases.
  • The water-carry TUG exacerbates performance challenges, highlighting functional limitations.
  • Analyzing TUG phases provides targeted insights for developing effective therapeutic interventions for ET.