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Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.

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Related Experiment Video

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Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
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Concurrent Supra-Postural Auditory-Hand Coordination Task Affects Postural Control: Using Sonification to Explore

Dobromir Dotov1,2, Ariel Motsenyat3, Laurel J Trainor2,4

  • 1Department of Biomechanics, University of Nebraska Omaha, Omaha, NE 68182, USA.

Sensors (Basel, Switzerland)
|March 28, 2024
PubMed
Summary

Older adults struggle more with balance when performing upper body tasks, indicating reduced capacity to manage sensory-motor and cognitive demands. This study developed a new method to measure how these tasks affect balance control.

Keywords:
attentionbalancecoordinationdual tasksonificationsupra-postural

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Area of Science:

  • Biomechanics
  • Neuroscience
  • Gerontology

Background:

  • Clinical balance and mobility tests often fail to predict fall risk.
  • Busy environments present cognitive and sensory challenges, increasing fall risk, especially for older adults.
  • The impact of upper sensory-motor coordination on balance is not well understood.

Purpose of the Study:

  • To investigate how supra-postural activity, specifically rhythmic hand movement synchronization with auditory stimuli, affects quiet stance.
  • To assess the influence of attentional demands and unpredictability in the supra-postural task on postural control.
  • To compare the effects in young healthy adults and older adults (OA).

Main Methods:

  • Developed a novel task using movement sonification and inertial motion sensors to measure full-body interaction with environmental stimuli.
  • Employed a double-task design where participants performed a supra-postural task (hand-stimulus synchronization) while maintaining quiet stance.
  • Measured postural fluctuations using a separate sensor and recorded hand movements for sonification.

Main Results:

  • Supra-postural coordination significantly influenced postural control, a phenomenon termed 'entrainment'.
  • This entrainment effect was more pronounced in older adults compared to young adults.
  • The findings suggest that older adults have diminished reserve capacities, impairing their ability to isolate postural control.

Conclusions:

  • Upper sensory-motor coordination tasks can entrain postural control, particularly in older adults.
  • Older adults' reduced ability to separate postural control from other activities highlights age-related declines in neural reserve.
  • The developed sonification and motion sensing method offers a precise tool for studying sensory-motor and cognitive influences on balance.