Journal of the American Podiatric Medical Association, Vol 82, Issue 8 412-416, Copyright © 1992 by American Podiatric Medical Association

JOURNAL ARTICLE

Effect of insole material on force and plantar pressures during walking

TG McPoil and MW Cornwall
Department of Physical Therapy, College of Health Professions, Northern Arizona University, Flagstaff 86011-5105.

Twelve subjects between the ages of 24 and 35 years walked barefoot over a pressure platform with the following insole materials placed directly on top of the platform: 1) PPT, 2) Spenco, and 3) Viscolas. Maximum vertical force, vertical force-time integral as well as maximum plantar pressure data were collected for the rearfoot, midfoot, and forefoot regions. The results were not significant for maximum vertical force and vertical force-time integral among the three insole materials when compared to barefoot-only walking. There was, however, a significant reduction in forefoot maximum plantar pressure among the three materials compared to barefoot-only walking. In the rearfoot region, a reduction in maximum plantar pressure was seen only with PPT and Spenco.

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