PROBLEM TO BE SOLVED: To perform evaluation related to comfort when having sat on a seat by considering a seating posture in consideration of a property of each element constituting a build even when bodily shapes of persons sitting on the seat are similar bodily shapes.;SOLUTION: By a first evaluation method, it can be evaluated that a support direction of a head 20 through a neck 25 becomes the vertical direction without using muscular force. By a second evaluation method, it can be also evaluated that an angle of a pelvis 35 to a thigh 30 does not impart a pain when keeping on narrowing the angle of the pelvis 35 to the thigh 30. Thus, the evaluation can be performed, so that comfort when having sat on a seat can be evaluated in consideration of a seating posture in consideration of a property of each element constituting a build even when seated persons have similar bodily shapes.;COPYRIGHT: (C)2013,JPO&INPIT
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