Table 1.

Anthropometric variables and treadmill top speeds for each subject. Total mass includes RSP mass. Leg lengths equal the distance from the greater trochanter to the floor. AL length was determined when the prosthesis was not compressed.

unilateral amputees	sex (M/F)	age (yrs)	height (m)	mass (kg)	UL (m)	AL (m)	RSP (model)	RSP mass (kg)	top speed (m s−1)
1	F	35	1.68	66.1	0.955	0.985	Cheetah	1.7	7.0
2	F	23	1.69	62.9	0.895	0.950	Sprinter	1.2	8.4
3	M	36	1.84	79.9	0.985	1.030	Cheetah	1.6	9.0
4	M	27	1.75	69.3	0.930	0.970	Cheetah	1.5	9.3
5	M	29	1.87	109.1	0.985	1.065	C-Sprint	1.4	9.5
6	M	25	1.85	71.0	1.005	1.025	Cheetah	1.2	9.7
bilateral amputees	sex	age	height	mass	AL, R	AL, L	RSP	RSP mass	top speed
7	M	20	1.75	67.7	0.995	1.005	Cheetah	1.7	8.9
8	M	21	1.86	80.0	1.036	1.043	Cheetah	1.8	10.8
non-amputees	sex	age	height	mass	bioL, R	bioL, L			top speed
1	F	16	1.70	59.5	0.900	0.900			7.0
2	F	18	1.70	56.4	0.885	0.890			7.6
3	F	28	1.74	60.9	0.952	0.945			8.2
4	M	16	1.82	70.7	0.950	0.955			9.0
5	M	19	1.88	89.1	0.990	1.000			9.0
6	M	40	1.69	88.6	0.885	0.890			9.0
7	M	21	1.84	75.0	1.000	1.000			9.0
8	M	16	1.75	69.1	0.920	0.935			9.0
9	M	18	1.79	76.8	0.910	0.915			9.1
10	M	17	1.80	78.2	0.960	0.940			9.2
11	M	18	1.80	73.2	0.905	0.915			9.3
12	M	18	1.85	84.1	0.985	0.980			9.4