walker - o Q _ 0 y a CD to CD Use of Visual Feedback in...

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o Q_ 0 y a CD to CD Use of Visual Feedback in Retraining Balance Following Acute Stroke Background and Purpose. Visual feedback related lo weight distribution and ceiner-ol-pies.sure positioning has been shown to be effective in increasing stance symmetiy following stroke, allliough it is not clear whether functional balance ability also improves. This study compared the relative effectiveness of visual feedhack training of center-o(-gravitv (CoG) posilioning with conventional physical therapy following acute stroke. Subjects. Forty-six people who had strokes within 80 days before the study, resulting in unilateral heniipaiesis, and who were in need of balance retraining participated. Methods and Materials. Initially, sulv jects were randomly assigned to vistial ieedback oi' conventional physical therapy gnnips for balance retraining until 16 subjects pei grotip were recruited. The next 14 stibjects were assigned to a control group. All subject.s received physical therap)' and occupational theiapy (regtilar therapy) 2 hours a day, and subjects in the 2 experimental groups received addilional balance training 30 minutes a dav uniil discharge. The vistial feedback group received inionnation abottt dieir CoG position as they shifted their weight during various activities. The conventional therapy group received verbal and tactile cues to enco\u*- age symmetrical stance and weight siiifting. Static (postmal sway) and activity-based measures of balance (Berg Balance Scale, gait speed, and the Timed "Up 8c Go" Test) were contrasted across the 3 grottps at ba.seHne, al discharge, and at 1 month following discharge using an analysis of variance for repeated measures. Results. All groups demon- strated marked improvement over time for all measui-es of balance ability, with the greatest impiovements occmring in the period from baseline to discharge. No between-groiip differences were detected iu any of tbe ovUcome measures. Conclusion and Discussion. \'isual feedback or conventional balance training iu addition to regtilar therapy alfords no added benefit when offered in the early stages of rehabilitation following stroke. [Walker C^, Brouwer BJ, C-ulham E(i. Use of \istial feedback in retraining balance following acute stroke. Phys Ther. 200();8():886-895.] Key Words: Outcomes, Posture, RehabilUaium, Treatment. Catherine Walker BrendaJ Brouwer Elsie G Citlham 886 Physical Therapy . Volume 80 . Number 9 . September 2000
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T o fuiiclion ill daily life, an individual must be able It) inaintain aiul adopt \aii(uis postures, react to external (listiirl)ances, and use auto- matic postural rosj>onses that precede voluntaiy iiiDveuieni.s, Following a stroke, some or all of these tasks generally become more difficult. Increased .sway dining quiet standing,' une\en weight clisttibutioii wiih increased weight bearing on lhe unafTected linib,^ decreased weight-shifting ability in stance,' and abnor- malities ill postural responses^-"' have lieen clocninented, A major locus ol rehabilitation programs, therefore, is to improve balance and optimize function and mobility.
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This note was uploaded on 02/17/2011 for the course HK 490 taught by Professor Reidtky during the Fall '10 term at Purdue University-West Lafayette.

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walker - o Q _ 0 y a CD to CD Use of Visual Feedback in...

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