Body-Size Estimation by Obese Subjects

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Abstract
The present aim was to explore the body-image perception of a group of 60 hospitalized obese subjects, aged between 25 and 50 years, undergoing a weight loss treatment and 60 normal-weight persons. The 1978 modified version of the Askevold perception test by Allamani, Marasco, Michele, and Morandi was given. This nonverbal test is aimed at evaluating subjects' perception of the dimensions of different parts of the body by exploiting their projection into space. Each body area (head, the thoracic area, the abdominal area, and the pelvic area) perceived by a subject was calculated using a specifically designed software program (AREA.BASIC2); the same program was used to calculate actual body area. After obtaining the percentage deviation index for each individual [(perceived area/real area) × 100], mean values were analyzed. Obese subjects significantly underestimated the four body areas, unlike the normal weight subjects who largely overestimated the abdominal and pelvic areas.