EXPERIMENTAL AND THEORETICAL INVESTIGATIONS OF DORSIFLEXION ANGLE AND LIFE OF AN ANKLE – FOOT – ORTHOSIS MADE FROM (PERLON – CARBON FIBRE – ACRYLIC) AND POLYPROPYLENE MATERIALS

Muhsin J. Jweeg, Sameer Hashim Ameen

Abstract

Experimental investigations in present paper were divided into: dorsiflexion and fatigue tests. Dorsiflexion test was done for (perlon-carbon fibre-acrylic) materials and ordinary solid designs of orthoses are 8.2° and 7.7° respectively using "Dartfish program". The fatigue test was achieved on prosthetic foot worn sole and measured life of sole found to be 2.137 × 106 cycles. The theoretical AFO lives were equal to 1.0 × 107 and 2.3 × 106 cycles for calf and sole parts respectively; while theoretical dorsiflexion angle of sole is equal to 8.266°.

Keywords

AFO, fatigue analysis, Perlon-Carbon fiber-Acrylic materials, dartfish program, sole life.

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DOI

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IMEKO TC

TC15 - Experimental Mechanics

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