Table 1. Primate species and mean curvature (and number) of ulnae and humeri used.

Locomotor behaviour of each species is also shown. Locomotor behaviour is classified as 1, arboreal; 2, semi arboreal; 3, terrestrial.

Family	Primate species	Common name	Ulnae	Humeri	Locomotion
Lorisidae	Nycticebus coucang	Slow loris	−0.029 (3)	0.037 (3)	1
	Nycticebus tardigradus	Bengal loris	−0.033 (1)	0.04 (1)	1
	Perodicticus potto	Potto	−0.048 (1)	0.029 (1)	1
	Galago sp.	Bushbaby	0.02 (1)	0.035 (1)	1
Lemuridae	Eulemur mongoz	Mongoose lemur	−0.023 (2)	0.063 (3)	1
	Lemur catta	Ring-tailed lemur	−0.014 (2)	0.049 (2)	2
	Varecia variegata	Ruffled lemur	−0.034 (1)	0.064 (1)	2
Indriidae	Indri indri	Indri	−0.012 (1)	−0.028 (1)	1
	Propithecus verreauxi	Sifaka	−0.049 (2)	0.036 (2)	1
	Propithecus diadema	Sifaka	−0.054 (2)	0.033 (2)	1
Callitrichidae	Leontropithecus rosalia	Golden lion tamarin	−0.021 (1)	0.056 (1)	1
	Callithrix jacchus	Marmoset	0.033 (6)	0.05 (6)	1
Cebidae	Cebus capucinus	White-faced capuchin	0.028 (1)	0.05 (1)	1
	Ateles sp.	Spider monkey	0.003 (1)	0.067 (1)	1
Cercopithidae	Macaca fascicularis	Crab-eating macaque	−0.015 (4)	0.054 (3)	1
	Macaca fuscatus	Japanese macaque	−0.008 (1)	0.048 (1)	2
	Macaca silenus	Liontail macaque	−0.001 (2)	0.053 (2)	1
	Macaca nemestrina	Pigtail macaque	−0.016 (3)	0.051 (3)	2
	Macaca nigra	Celebes ape	0.007 (3)	0.064 (2)	2
	Papio hamadryas	Hamadryas baboon	0.011 (3)	0.064 (3)	3
	Papio ursinus	Chacma baboon	0.004 (3)	0.61 (3)	3
	Mandrillus leucophaeus	Drill	0.03 (3)	0.056 (3)	3
	Trachypithecus pileatus	Capped langur	−0.018 (1)	0.043 (1)	1
	Procolobus verus	Olive colobus	−0.018 (1)	0.041 (1)	1
	Chlorocebus aethiops	Grivet	−0.011 (1)	0.071 (1)	2
Hominidae	Pongo pygmaeus	Orangutan	−0.06 (4)	−0.01 (5)	1
	Gorilla gorilla	Gorilla	−0.031 (1)	−0.022 (1)	3
	Pan troglodytes	Chimpanzee	−0.044 (6)	−0.012 (4)	2