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Am J Hum Biol. 2014 Sep-Oct;26(5):697-700. doi: 10.1002/ajhb.22584. Epub 2014 Jul 5.

Body symmetry and physical strength in human males.

Author information

1
Institute of Psychology and Courant Research Center Evolution of Social Behavior, University of Göttingen, Göttingen, Germany.

Abstract

OBJECTIVES:

Body symmetry and physical strength in males have been related to aspects of mate "quality"-women seem to prefer men who display both "good genes" (as indexed by high symmetry/developmental health) and fighting ability (as indexed by physical strength). Here we show that fluctuating asymmetry (FA) of the body and physical strength are negatively correlated.

METHODS:

Body FA (from 12 paired traits) and handgrip strength (HGS; a measure of muscular power and force) were measured in a sample of 69 heterosexual, right-handed men (18-42 years).

RESULTS:

There were positive correlations of body symmetry with HGS after controlling for the effect of body-mass-index.

CONCLUSIONS:

We conclude that in males, body symmetry and physical strength are correlated such that symmetric individuals tend to develop higher strength, which may contribute to their success in inter- and intra-sexual selection.

PMID:
25043768
DOI:
10.1002/ajhb.22584
[Indexed for MEDLINE]

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