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The main objective of this study was to formulate an ergonomic design factor for 6-to18-month baby carrier from simulated loading point data and physical parameters of an average Thai elderly person. The research steps were as follows: (1) reviewing the literature on 6-to-18-month baby carrier designs; (2) simulating the forces acting on a few selected baby carriers and on the body of an average Thai elderly person carrying them; and (3) synthesizing ergonomic design factors based on load-bearing data as well as the physical parameters of an average Thai elderly person. Four ergonomic design factors were synthesized: 1) their shoulder and hip posture while they are using the carrier, 2) the seat and backrest of the baby carrier, 3) the load-bearing points on the body of the carrying person, and 4) the type of baby carrier. Our findings may benefit designers of cushion seat and baby stroller.

Factors in Ergonomic Design of 6-to-18-month Baby Carriers for Elderly People