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Design and Analysis for Fall Detection System Simplification
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Decline in sensorimotor systems explains reduced falls self-efficacy.

Mascha Pauelsen1, Irene Vikman1, Viktor Strandkvist1

  • 1Luleå University of Technology, Department of Health Sciences, Sweden.

Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology
|July 18, 2018
PubMed
Summary
This summary is machine-generated.

Falls self-efficacy in older adults is linked to balance performance. Lower limb strength, proprioception, reaction time, and eyesight significantly predict confidence in avoiding falls.

Keywords:
AgingFearPostural balancePostureSelf efficacy

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Area of Science:

  • Gerontology
  • Biomechanics
  • Neuroscience

Background:

  • Falls self-efficacy is crucial for older adults' independence and quality of life.
  • Balance performance, a key factor in falls self-efficacy, is often assessed using broad scales.
  • Understanding the specific sensory and motor systems influencing postural control is vital for targeted interventions.

Purpose of the Study:

  • To identify specific postural control measurements correlating with falls self-efficacy in older adults.
  • To determine which sensory and motor systems best explain variations in falls self-efficacy.

Main Methods:

  • A cross-sectional study involving 45 older adults.
  • Measurement of center of pressure (CoP) during quiet stance and limits of stability trials.
  • Assessment of falls self-efficacy using the Falls Efficacy Scale - International (FES-I), alongside measures of eyesight, vestibular function, proprioception, reaction time, and strength.

Main Results:

  • Falls self-efficacy (FES-I) was explained by 39% using postural control data, with eyes-open and limits of stability trials being most influential.
  • Sensory and muscle function data explained 40% of falls self-efficacy, with lower limb strength, leg and neck proprioception, reaction time, and eyesight showing the highest contribution.

Conclusions:

  • Specific aspects of postural control, particularly dynamic balance and visual input, are strongly associated with older adults' confidence in preventing falls.
  • Multisensory integration and motor factors, including strength and proprioception, are key determinants of falls self-efficacy, offering potential targets for fall prevention strategies.