Risk of fall (RoF) intervention by affecting visual egocenter through gait analysis and yoked prisms

William V. Padula, Prem Subramanian, April Spurling, Jonathan Jenness

Research output: Contribution to journalArticle

Abstract

BACKGROUND: Following a neurologic event such as traumatic brain injury (TBI), cerebrovascular accident (CVA), and chronic neurological conditions including Parkinson's disease, multiple sclerosis, and cerebral palsy a shift in the visual midline (egocenter) can directly affect posture, balance and spatial orientation. As a consequence, this increases the risk of fall (RoF) and injury that imposes a major financial burden on the public health system. OBJECTIVE: To determine if there is a statistically significant change in balance with the intervention of yoked prisms to reduce the risk of fall in subjects with neurological impairments. METHODS: Ambulation of thirty-six subjects was evaluated on a pressure sensitive mat before and after intervention with yoked prisms. Changes in gait and balance were analyzed in the anterior-posterior (AP) and medial-lateral (ML) axes during ambulation. RESULTS: T-tests for each measure comparing the difference-of-differences to a zero change at baseline returned statistically significant reductions in both AP (p <0.0001; 95% CI: 1.368-2.976) and ML (p = 0.0002; 95% CI: 1.472-4.173) imbalances using specifically directed yoked prisms to correct the visual midline deviation. CONCLUSION: These findings demonstrate that yoked prisms have the potential to provide a cost-effective means to restore the visual midline thereby improving balance, reduce RoF and subsequent injury.

Original languageEnglish (US)
Pages (from-to)305-314
Number of pages10
JournalNeuroRehabilitation
Volume37
Issue number2
DOIs
StatePublished - Oct 14 2015
Externally publishedYes

Fingerprint

Gait
Walking
Wounds and Injuries
Cerebral Palsy
Posture
Nervous System
Multiple Sclerosis
Parkinson Disease
Public Health
Stroke
Pressure
Costs and Cost Analysis

Keywords

  • balance
  • spatial visual process
  • visual egocenter
  • Visual midline shift syndrome
  • yoked prisms

ASJC Scopus subject areas

  • Clinical Neurology
  • Rehabilitation
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Risk of fall (RoF) intervention by affecting visual egocenter through gait analysis and yoked prisms. / Padula, William V.; Subramanian, Prem; Spurling, April; Jenness, Jonathan.

In: NeuroRehabilitation, Vol. 37, No. 2, 14.10.2015, p. 305-314.

Research output: Contribution to journalArticle

Padula, William V. ; Subramanian, Prem ; Spurling, April ; Jenness, Jonathan. / Risk of fall (RoF) intervention by affecting visual egocenter through gait analysis and yoked prisms. In: NeuroRehabilitation. 2015 ; Vol. 37, No. 2. pp. 305-314.
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