Effects of a robotic walking exercise on walking performance in community‐dwelling elderly adults
Open Access
- 19 November 2009
- journal article
- Published by Wiley in Geriatrics & Gerontology International
- Vol. 9 (4), 372-381
- https://doi.org/10.1111/j.1447-0594.2009.00546.x
Abstract
Background: Reduced gait speed and stride length are characteristic of gait in elderly people and increase their dependency on assistance. We developed a robotic stride assistance system (SAS) to automatically control the walk ratio during walking. Our aim was to quantify the effects of a walking exercise with the SAS on walking performance and glucose metabolism during walking in community‐dwelling elderly adults. Methods: For 3 months, 15 women (72–85 years old) performed the walking exercise twice weekly for 90 min/session. We assessed walking for 5 m at a comfortable speed before and after the intervention. Positron emission tomography with [18F]fluorodeoxyglucose (FDG) was used to assess muscle activity during an unassisted 50‐min walk. Results: Walking speed was improved by the intervention and FDG uptake by the gluteus minimus, gluteus medius and rectus femoris, and pelvic muscles (iliacus and gluteus muscles) were reduced. Conclusion: These results suggest that a walking intervention program using an applied robotic system is useful for improving the walking ability and the efficiency of muscle activities during walking in the elderly.Keywords
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