... as a weapon. Aggression Human evolution Fist Hominidae Male–male competition Muscle performance Primates In many species, male mating opportunity is determined by fighting ability and performance in male–male contests ( Andersson, 1994 ; Darwin, 1871 ). This has led to the evolution...

... ; Puts et al., 2012 ; Sell et al., 2009 , 2012 ; Carrier, 2011 ; Morgan and Carrier, 2013 ; Carrier and Morgan, 2015 ). Male–male competition Sexual selection Fighting Great ape Hominidae Fist Summary: Recorded strains in the metacarpal bones during striking support...

... proportions of hominin hands reflect, in part, sexual selection to improve fighting performance. * Author for correspondence ( [email protected] ) 6 6 2012 24 9 2012 © 2013. 2013 male–male competition fighting great ape Hominidae The shape of our hand...