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Related Experiment Videos

Sharpening the Sharpened Romberg.

C T Lee1

  • 1Department of Diving and Hyperbaric Medicine, Lumut Armed Forces Hospital, Malaysia. ctlee@tm.net.my

SPUMS Journal
|September 7, 2001
PubMed
Summary
This summary is machine-generated.

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The Sharpened Romberg Test (SRT) shows a learning effect in early attempts but is not impacted by diving fatigue or decompression. Abnormal SRT scores may indicate decompression illness (DCI) in divers.

Area of Science:

  • Diving Medicine
  • Neurology
  • Physiology

Background:

  • The Sharpened Romberg Test (SRT) assesses balance, crucial in diving medicine.
  • Interpreting abnormal SRT results can be challenging due to confounding factors.
  • This study aimed to clarify the SRT's utility in evaluating divers.

Purpose of the Study:

  • To evaluate the practice effect on SRT performance.
  • To assess the impact of post-dive factors (decompression, fatigue, motion sickness) on SRT.
  • To compare SRT scores in healthy individuals versus those with decompression illness (DCI).

Main Methods:

  • Volunteers (naval and civilian) performed SRT in morning and evening trials.
  • Divers' SRT scores were measured immediately before and after dives.

Related Experiment Videos

  • SRT score distributions were compared between control subjects and a retrospective DCI patient group.

    • Main Results:

    • A significant learning effect was observed between the first and second SRT attempts within a trial (p<0.001).
    • Post-dive SRT scores showed a decline in the first attempt only (p<0.05), with no significant impact from decompression or fatigue.
    • DCI patients exhibited a bimodal SRT score distribution, with 46% scoring below 40 seconds, compared to 5% of controls.

    Conclusions:

    • The SRT demonstrates an initial learning effect that plateaus quickly.
    • The SRT is robust against common post-dive physiological effects like fatigue and decompression.
    • An SRT cutoff of <40 seconds offers 46% sensitivity and 95% specificity for identifying DCI.