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1.
Geriatr Orthop Surg Rehabil ; 12: 21514593211029102, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34350055

RESUMO

INTRODUCTION: To evaluate fall-prevention rehabilitative slippers for use by self-caring, independent older adults. MATERIALS AND METHODS: This assessor-blinded, randomized, and controlled 1-year study included 59 self-caring, independent participants (49 women) who attended day services. The mean age of participants was 84.0 ± 5.3 years. Participants were randomly selected from 8 nursing homes. We tested slippers top-weighted with a lead bead (200, 300, or 400 g). Intervention group participants walked while wearing the slippers for 10-20 min, 1-3 days/week at the day service center. Fall risk was measured using the Berg Balance Scale and the Tinetti Performance-Oriented Mobility Assessment (POMA) before and at 3-month intervals after the intervention/control phase. RESULTS: After 12 months, the intervention group demonstrated significant improvement. Berg Balance and POMA compared to the control group (p < .05 p < .01, respectively). Mobility scores improved significantly for both measurements in the intervention group before and after (p < .01), but the control group had significantly lower scores. DISCUSSION: Overall, falls decreased in the intervention group from 10 to 7, and control group falls increased from 9 to 16 (p = .02). No adverse events related to the intervention were reported. CONCLUSIONS: Rehabilitation training slippers may reduce falls in older adults.

2.
Sci Rep ; 7(1): 16549, 2017 11 29.
Artigo em Inglês | MEDLINE | ID: mdl-29185465

RESUMO

Raman spectroscopy is a powerful technique for revealing spatial heterogeneity in solid-state structures but heretofore has not been able to measure spectra from multiple positions on a sample within a short time. Here, we report a novel Raman spectroscopy approach to study the spatial heterogeneity in thermally annealed amorphous silicon (a-Si) thin films. Raman spectroscopy employs both a galvano-mirror and a two-dimensional charge-coupled device detector system, which can measure spectra at 200 nm intervals at every position along a sample in a short time. We analyzed thermally annealed a-Si thin films with different film thicknesses. The experimental results suggest a correlation between the distribution of the average nanocrystal size over different spatial regions and the thickness of the thermally annealed a-Si thin film. The ability to evaluate the average size of the Si nanocrystals through rapid data acquisition is expected to lead to research into new applications of nanocrystals.

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