Table 1. Tables 1. Sample and descriptive statistics.

Individual	Sex	Age (months)	Mass (kg)	Knee Joint Angle (degrees)				Elbow Joint Angle (degrees)
				N	Mean	St. Dev.	CV	N	Mean	St. Dev.	CV
Sylvestor	Male	12.0	2.0	2	127	0.69	–	2	158	7.63	–
Oscar	Male	13.0	2.5	7	131	12.14	9.241	9	151	8.52	5.637
Chester	Male	13.0	3.3	1	127	–	–	1	157	–	–
Elissa	Female	20.0	4.0	3	136	4.06	–	3	161	4.15	–
Luke	Male	19.0	4.9	7	139	7.70	5.544	7	152	4.67	3.069
Emilio	Male	20.0	7.0	9	140	7.52	5.374	9	152	3.55	2.329
Bono	Male	36.0	7.0	4	147	1.43	–	6	158	4.01	2.533
Quincy	Male	46.0	9.0	14	134	4.80	3.592	17	156	4.22	2.710
Doug	Male	49.0	9.0	5	138	4.74	3.425	5	148	3.14	2.127
Turtle	Male	44.0	9.3	15	139	4.98	3.584	19	158	4.67	2.955
Kyle	Male	55.0	11.5	1	131	–	–	1	158	–	–
Cartman	Male	56.0	12.0	4	135	7.82	–	4	154	3.82	–
Vicky	Female	61.0	13.0	5	141	4.34	3.066	5	156	4.05	2.595
Ulrike	Female	62.0	13.0	4	136	7.19	–	5	152	2.41	1.590
Kevin	Male	62.0	13.3	6	135	3.52	2.612	7	147	4.46	3.026
Catherine	Female	–	16.2	0	–	–	–	5	159	4.18	2.624
Lynn	Female	–	17.0	7	132	4.16	3.145	6	157	1.30	0.829
Rushenka	Female	87.0	17.5	3	132	7.98	–	4	156	2.78	–
Jane	Female	–	17.5	8	140	3.89	2.777	6	155	5.01	3.237
Alice	Female	–	17.8	9	139	4.14	2.990	8	154	5.40	3.508
Olga	Female	–	17.8	9	134	4.72	3.510	9	157	4.27	2.725
Alison	Female	–	18.0	3	142	1.44	–	3	157	3.74	–
Emma	Female	–	18.0	1	134	–	–	1	151	–	–
Sarah	Female	–	18.5	8	140	5.18	3.704	9	161	4.09	2.538
Christina	Female	–	19.0	5	141	1.30	0.920	5	160	8.03	5.019
Watson	Male	108.0	24.0	22	145	4.36	3.012	26	160	4.34	2.713
Guy	Male	–	26.0	3	143	1.35	–	3	162	4.27	–
Pinker	Male	–	26.0	6	144	1.47	1.017	7	154	5.38	3.490
Schwartze	Male	–	27.0	12	140	3.10	2.211	10	161	4.43	2.751
Caliban	Male	–	28.0	4	137	5.59	–	4	155	4.64	–
Prof Higgins	Male	–	28.0	10	144	5.23	3.627	11	158	4.13	2.621
Redfur	Male	–	29.0	16	139	4.82	3.476	12	156	4.93	3.150
Seth	Male	–	29.5	8	149	2.15	1.440	9	159	2.65	1.667