Abstract
Background: During the formation of the limbs, a simultaneous production of androgens occurs. It has also been noticed that when genetic process is inhibited, it can lead to complications affecting the limbs. It is therefore believed that testosterone influences the development of the limbs.
 Aim: This study therefore looked at the association between second toe length and androgen linked behaviours.
 Materials and Method: Three hundred (166 males and 134 females) subjects who were students of Basic Medical Sciences, Delta State University, Abraka aged 18 and above, were selected using the cross-sectional descriptive study design. Second toe length was observed, standardize questionnaire on handedness, competition and aggregation was administered to students. Data obtained were analyzed with Statistical Package for Social Sciences.
 Results: This study established a significant association between 2nd toe length and some androgen linked behaviours. Significant association between subjects with longer 2nd toe and competitiveness was observed (p<0.05) as well as aggressive behavior.
 Conclusion: From this study, it was deduced that androgens influence 2nd toe length and 2nd toe length also influences androgen linked behaviours such as competition and aggression.
 Bangladesh Journal of Medical Science Vol.20(4) 2021 p.779-789
Highlights
Feet development which begins in-utero is derived mainly from mesenchyme which is a basic embryological tissue.[1]
It has been noticed that when this genetic process is inhibited, it can lead to complications affecting the limbs and genitalia.[3]
Most of the respondents strongly disagreed that they hate competition (25.0%) and unpleasant competitive environment (24.7%)
Summary
Feet development which begins in-utero is derived mainly from mesenchyme which is a basic embryological tissue.[1]. At about eight to thirteen weeks of intrauterine life, the fingers, toes and genitalia are formed,[2] with the regulation of homeobox gene complex.[2] It has been noticed that when this genetic process is inhibited, it can lead to complications affecting the limbs and genitalia.[3] Another critical event taking place at this period of formation of the limbs and genitalia is the production of testosterone.[4,5] It is deduced that testosterone influences the development of the limbs and genitalia.[6] testosterone related events such as behaviours, traits and cognitions may have a direct effect on the finger and toe length[7]. Conclusion: From this study, it was deduced that androgens influence 2nd toe length and 2nd toe length influences androgen linked behaviours such as competition and aggression
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