Male facial appearance signals physical strength to women

Article Abstract:

A study is conducted to find the relationship between perceived facial dominance and physical strength in men using measured handgrip strength, as a measure of overall physical strength in a sample of 32 male students and recorded age, body weight and height. Study shows that 79 women rated facial images of these men for dominance, masculinity and attractiveness which support the supposition that a male's physical strength is also signaled via facial characteristics of dominance and masculinity.

United States, Science & research, Research, Personal appearance, Musculoskeletal physiology

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Digit ratio and hand-grip strength in German and Mizos men: Cross-cultural evidence for an organizing effect of prenatal testosterone on strength

Article Abstract:

Evidence is provided for the fact that strength, as measured from hand-grip strength in German and Mizo men from northeast India, is related to the ratio of the length of the second and fourth digits (2D:4D), a putative proxy of prenatal testosterone (PT). Measures of grip strength correlate strongly with strength in other muscle groups and hence it is concluded that PT might have an early organizing effect on strength in men and it is likely to be widespread in human groups.

Germany, India, Demographic aspects, Grip strength, Mizoram, India

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Endurance running and digit ratio (2D:4D): Implications for testosterone effects on running speed and vascular health

Article Abstract:

The sex-dependent nature of endurance running (ER) is found to be associated with the fetal testosterone (T) levels. The ratio of the length of the second and fourth digit (2D:4D) that is determined by the prenatal T levels influences the ER and aerobic efficiency.

Endurance sports, Clinical report

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