P-17　Study on Opening Motion of PET Bottle Cap for Elderly People.

Abstract

The aim of this study is to propose the easy-to-open plastic bottle cap or opener. First, the muscle activity was measured while opening various plastic bottles as feasibility study. Next, behavior observation and questionnaire while opening the cap were performed. The forms extracting from opening motion of cap were measured by 3D scanner. The average form of elderly women taking hold the cap from above was designed. Muscle activity did not vary according to the type of plastic bottles. Many elderly women feel hard to open PET bottle cap.