Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21736
Title: Design of an automated device to measure sagittal plane stiffness of an articulated ankle-foot orthosis
Authors: Kobayashi, T
Leung, AKL 
Akazawa, Y
Naito, H
Tanaka, M
Hutchins, SW
Keywords: Ankle-foot orthosis (AFO)
Mechanical test
Stiffness
Issue Date: 2010
Publisher: SAGE Publications
Source: Prosthetics and orthotics international, 2010, v. 34, no. 4, p. 439-448 How to cite?
Journal: Prosthetics and orthotics international 
Abstract: The purpose of this study was to design a new automated stiffness measurement device which could perform a simultaneous measurement of both dorsi-and plantarflexion angles and the corresponding resistive torque around the rotational centre of an articulated ankle-foot orthosis (AAFO). This was achieved by controlling angular velocities and range of motion in the sagittal plane. The device consisted of a hydraulic servo fatigue testing machine, a torque meter, a potentiometer, a rotary plate and an upright supporter to enable an AAFO to be attached to the device via a surrogate shank. The accuracy of the device in reproducing the range of motion and angular velocity was within 4 and 1 respectively in the range of motion of 30?X (
URI: http://hdl.handle.net/10397/21736
ISSN: 0309-3646
EISSN: 1746-1553
DOI: 10.3109/03093646.2010.495370
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