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  • Title: Intertrial and test-retest reliabilities of Timed Bridge tests among frail older adults.
    Author: Pilon M, Nadeau S, Piotte F.
    Journal: Physiother Theory Pract; 2009 Oct; 25(7):507-15. PubMed ID: 19925173.
    Abstract:
    The objective of this study was to assess the reliability of three versions of the Timed Bridge test (TB test) using the generalizability theory. A convenience sample of 30 frail older adults, from 65 to 94 years of age, performed three different TB Tests: 1) hold test (TB-Static); 2) five-repetitions dynamic test (TB-5rep); and 3) 60-second dynamic test (TB-60s). The tests were repeated twice on two occasions separated by a 48-hour interval. For each trial, the height of the bridge, the time of execution or the number of repetitions, the pain, and perceived effort were recorded. The intertrial and test-retest reliability for bridge heights were excellent. For the duration and the number of repetitions, a good intertrial reliability was found (0.83 <Phi< 0.94; SEMs 11.1 s, 2.9 s, and 4.2 rep), and the test-retest reliability was good for the TB-60 s and moderate for TB-Static and for the TB-5rep. The different tests were generally well tolerated by the subjects. The level of exertion perceived by the participants was light for the TB-5rep and moderate for the TB-Static and TB-60 s. The TB tests were simple to execute, showed good clinical applicability, and provided reliable measurements in a geriatric population.
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