{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T15:41:39Z","timestamp":1781106099974,"version":"3.54.1"},"reference-count":47,"publisher":"National Academy of Sciences","issue":"35","content-domain":{"domain":["www.pnas.org"],"crossmark-restriction":true},"short-container-title":["Proc. Natl. Acad. Sci. U.S.A."],"published-print":{"date-parts":[[2008,9,2]]},"abstract":"<jats:p>Body size and shape seem to have been sexually selected in a variety of species, including humans, but little is known about what attractive bodies signal about underlying genotypic or phenotypic quality. A widely used indicator of phenotypic quality in evolutionary analyses is degree of symmetry (i.e., fluctuating asymmetry, FA) because it is a marker of developmental stability, which is defined as an organism's ability to develop toward an adaptive end-point despite perturbations during its ontogeny. Here we sought to establish whether attractive bodies signal low FA to observers, and, if so, which aspects of attractive bodies are most predictive of lower FA. We used a 3D optical body scanner to measure FA and to isolate size and shape characteristics in a sample of 77 individuals (40 males and 37 females). From the 3D body scan data, 360\u00b0 videos were created that separated body shape from other aspects of visual appearance (e.g., skin color and facial features). These videos then were presented to 87 evaluators for attractiveness ratings. We found strong negative correlations between FA and bodily attractiveness in both sexes. Further, sex-typical body size and shape characteristics were rated as attractive and correlated negatively with FA. Finally, geometric morphometric analysis of joint configurations revealed that sex-typical joint configurations were associated with both perceived attractiveness and lower FA for male but not for female bodies. In sum, body size and shape seem to show evidence of sexual selection and indicate important information about the phenotypic quality of individuals.<\/jats:p>","DOI":"10.1073\/pnas.0710420105","type":"journal-article","created":{"date-parts":[[2008,8,18]],"date-time":"2008-08-18T21:09:09Z","timestamp":1219093749000},"page":"12938-12943","update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":73,"title":["Fluctuating asymmetry and preferences for sex-typical bodily characteristics"],"prefix":"10.1073","volume":"105","author":[{"given":"William M.","family":"Brown","sequence":"first","affiliation":[{"name":"*Centre for Culture and Evolutionary Psychology, Department of Psychology, School of Social Sciences,"},{"name":"Centre for Cognition and Neuroimaging, Department of Psychology, School of Social Sciences, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael E.","family":"Price","sequence":"additional","affiliation":[{"name":"*Centre for Culture and Evolutionary Psychology, Department of Psychology, School of Social Sciences,"},{"name":"Centre for Cognition and Neuroimaging, Department of Psychology, School of Social Sciences, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinsheng","family":"Kang","sequence":"additional","affiliation":[{"name":"School of Engineering and Design, Brunel University, Uxbridge UB8 3PH, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicholas","family":"Pound","sequence":"additional","affiliation":[{"name":"*Centre for Culture and Evolutionary Psychology, Department of Psychology, School of Social Sciences,"},{"name":"Centre for Cognition and Neuroimaging, Department of Psychology, School of Social Sciences, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yue","family":"Zhao","sequence":"additional","affiliation":[{"name":"School of Engineering and Design, Brunel University, Uxbridge UB8 3PH, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Yu","sequence":"additional","affiliation":[{"name":"School of Engineering and Design, Brunel University, Uxbridge UB8 3PH, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"341","published-online":{"date-parts":[[2008,9,2]]},"reference":[{"key":"e_1_3_3_1_2","volume-title":"The Descent of Man and Selection in Relation to Sex","author":"Darwin CR","year":"1871","unstructured":"CR Darwin The Descent of Man and Selection in Relation to Sex (D. 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