Furthermore, findings suggested that sexual orientation differences within each sex paralleled those between the sexes. That is, homosexual men (N = 799) rated themselves as more feminine compared with heterosexual men (N = 2,724, d = 0.6). Similarly, homosexual women (N = 697) rated themselves as more masculine compared with heterosexual women (N = 5,053, d = 1.3).

homosexual individuals showing more sex-atypical motor behavior. Similarly, another study suggested that behavioral displays of masculinity–femininity were related to sexual orientation (Rieger et al., 2008). Johnson et al. (2007) focused on joint movements that are especially sexually dimorphic in humans, namely those of the shoulder and hips.

Rieger, G., Linsenmeier, J. A., Gygax, L., Garcia, S., & Bailey, J. M. (2010). Dissecting “gaydar”: Accuracy and the role of masculinity–femininity. Archives of Sexual Behavior, 39(1), 124-140.