الفهرس 
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Abstract
Falls are accidental displacement of the body to a level below the current level. Thirty percent of the 65 and older community-dwelling elderly fall at least once in their lifetime. The incidence of their falls increases with aging reaching its peak (51 percent) in elderlies above 85 years of age.
The most common fall-related sequalae are pain, lacerations, bruising, upper extremity and hip fractures, and intracranial hemorrhage in severe cases. Some of these complications increase the risk of death. This affects the quality of life of elderlies, making them enter a vicious cycle of depression, isolation, physical activity restriction, muscle weakness and thus become more prone to falls.
Aging affects different body systems including the vestibular system, this is named presbyvestibulopathy. Dizziness is a major and common risk factor in elderlies.
The study assessed the subjects’ balance using both subjective and objective measures including DHI, DGI and CDP. Elderlies identified being at risk of falling received customized VRT and balance training. Their performance was compared after the end of rehabilitation program.
Elderly subjects showed significant improvement in the DHI, DGI and CDP tests, reflecting improvement in their dizziness and postural control abilities. In addition, as regards to fall assessment, all elderlies became non fallers.
DGI showed good sensitivity for detection of those at risk of falling, suggesting its usefulness as a screening test to identify elderlies at risk of falling, to provide them with the appropriate rehabilitation program.
Other studies reported impro