Michael Gleeson1, Catherine Sherrington2, Serigne Lo3, Lisa Keay4. 1. Injury Division, The George Institute for Global Health, Sydney Medical School, The University of Sydney, Australia. 2. Musculoskeletal Division, The George Institute for Global Health, The University of Sydney, Australia. 3. Statistical Division, The George Institute for Global health, The University of Sydney, Australia. 4. Injury Division, The George Institute for Global Health, Sydney Medical School, The University of Sydney, Australia lkeay@georgeinstitute.org.au.
Abstract
OBJECTIVE: To investigate the impact of Alexander Technique lessons on balance and mobility in older adults with visual impairments. DESIGN: Randomized assessor blinded controlled trial with intervention and usual care control groups. SETTING:Participants' homes. SUBJECTS: A total of 120 community-dwellers aged 50+ with visual impairments. INTERVENTION: Twelve weeks of Alexander lessons and usual care. MAIN OUTCOME MEASURES: Short Physical Performance Battery items were primary outcomes at 3 months and secondary outcomes at 12 months. Additional secondary outcomes were postural sway, maximal balance range and falls over 12 months. RESULTS: Between-group differences in primary outcomes were not significant. The intervention group reduced postural sway on a firm surface with eyes open at 3 months after adjusting for baseline values (-29.59 mm, 95%CI -49.52 to -9.67, P < 0.01). Planned sub-group analyses indicated a greater intervention effect among past multiple-fallers (2+) than non-multiple fallers for gait speed (P = 0.02) and step length (P < 0.01) at 3 months and chair stand at 12 months (P < 0.01). There was a non-significant reduction in falls rate (IRR = 0.64, 95%CI 0.34 to 1.15, P = 0.13) and injurious falls (IRR = 0.61, 95% CI 0.28 to 1.30, P = 0.20) in the intervention group compared to the control group. CONCLUSION: The intervention did not have a significant impact on the primary outcomes but benefits for the intervention group in postural sway, trends towards fewer falls and injurious falls and improved mobility among past multiple-fallers suggest further investigation of the Alexander Technique is warranted.
RCT Entities:
OBJECTIVE: To investigate the impact of Alexander Technique lessons on balance and mobility in older adults with visual impairments. DESIGN: Randomized assessor blinded controlled trial with intervention and usual care control groups. SETTING:Participants' homes. SUBJECTS: A total of 120 community-dwellers aged 50+ with visual impairments. INTERVENTION: Twelve weeks of Alexander lessons and usual care. MAIN OUTCOME MEASURES: Short Physical Performance Battery items were primary outcomes at 3 months and secondary outcomes at 12 months. Additional secondary outcomes were postural sway, maximal balance range and falls over 12 months. RESULTS: Between-group differences in primary outcomes were not significant. The intervention group reduced postural sway on a firm surface with eyes open at 3 months after adjusting for baseline values (-29.59 mm, 95%CI -49.52 to -9.67, P < 0.01). Planned sub-group analyses indicated a greater intervention effect among past multiple-fallers (2+) than non-multiple fallers for gait speed (P = 0.02) and step length (P < 0.01) at 3 months and chair stand at 12 months (P < 0.01). There was a non-significant reduction in falls rate (IRR = 0.64, 95%CI 0.34 to 1.15, P = 0.13) and injurious falls (IRR = 0.61, 95% CI 0.28 to 1.30, P = 0.20) in the intervention group compared to the control group. CONCLUSION: The intervention did not have a significant impact on the primary outcomes but benefits for the intervention group in postural sway, trends towards fewer falls and injurious falls and improved mobility among past multiple-fallers suggest further investigation of the Alexander Technique is warranted.
Authors: Rajal G Cohen; Victor S Gurfinkel; Elizabeth Kwak; Amelia C Warden; Fay B Horak Journal: Neurorehabil Neural Repair Date: 2015-02-09 Impact factor: 3.919
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