Page 42 - Anthropometry, Apparel Sizing and Design

38 Anthropometry, Apparel Sizing and Design

(A) (B)
Fig. 2.7 Scanning postures recommended in ISO 20685-1. (A) Posture for height
measurements. (B) Posture for girth measurements.

degrees. Kouchi and Mochimaru (2005) compared body dimensions of 40 subjects in
several different postures using the traditional methods. They found significant differ-
ences in measurements defined using the acromion (shoulder point in ISO 8559-1) and
armpit front fold point as well as the hip breadth and hip girth between a basic standing
posture and a posture recommended in ISO 20685-1 in which the arms are abducted
20 degrees and the distance between the foot axes of both feet is 20cm (Fig. 2.7B).
The scanning posture is a compromise between the occluded area and shape defor-
mation. It should be noted that many scan-derived 1-D measurements obtained from a
scan with a posture with arms and legs abducted are not comparable with traditional
measurements because the postures are different. ISO 20685-1 recommends two
standing postures for scanning: One is the basic standing posture for height measure-
ments (Fig. 2.7A), and the other is a posture with arms and legs abducted for girth
measurements (Fig. 2.7B). In the latter posture the head is oriented in the Frankfurt
plane, the long axes of the feet are parallel to one another and 20cm apart, the upper
arms are abducted to form a 20° angle with the side of the torso, the elbows are