The Company of Biologists

Table 1.

Number of steps analyzed for statistical analysis of muscle force, EMG,muscle length and muscle shortening velocity

	Force/EMG													Muscle length/speed
Locomotor condition	Cat 1	Cat 2	Cat 3	Cat 4	Cat 5	Cat 6	Cat 7	Cat 1	Cat 2	Cat 3	Cat 4	Cat 5	Cat 6	Cat 7
0.4−0.6 m s⁻¹	23	43	17	8	17		17		3	39	17	8	17
Slow speed/level	23	43	17	8	17		17		3	39	17	8	17
0.8 m s⁻¹		7		11	22		15					11	22
1.2 m s⁻¹			15	17			23				15
Gallop		16					7
Fast speed		23	15	28	22		45				15	11	22
30° downhill	6	8	11	17	16	8			6	8	11	17	16	8
Downhill	6	8	11	17	16	8			6	8	11	17	16	8
30° uphill	14	35	38	59	49	43			7	10	11	16	17	12
45° uphill	22	22	33	38	47	123			4	9	9	18	13	33
60° uphill	13	18	51		44	18			5	5	12		15	5
Uphill	49	75	122	97	140	184			16	24	32	34	45	50

	Force/EMG													Muscle length/speed
Locomotor condition	Cat 1	Cat 2	Cat 3	Cat 4	Cat 5	Cat 6	Cat 7	Cat 1	Cat 2	Cat 3	Cat 4	Cat 5	Cat 6	Cat 7
0.4−0.6 m s⁻¹	23	43	17	8	17		17		3	39	17	8	17
Slow speed/level	23	43	17	8	17		17		3	39	17	8	17
0.8 m s⁻¹		7		11	22		15					11	22
1.2 m s⁻¹			15	17			23				15
Gallop		16					7
Fast speed		23	15	28	22		45				15	11	22
30° downhill	6	8	11	17	16	8			6	8	11	17	16	8
Downhill	6	8	11	17	16	8			6	8	11	17	16	8
30° uphill	14	35	38	59	49	43			7	10	11	16	17	12
45° uphill	22	22	33	38	47	123			4	9	9	18	13	33
60° uphill	13	18	51		44	18			5	5	12		15	5
Uphill	49	75	122	97	140	184			16	24	32	34	45	50

Bold numbers in each row correspond to the total number of steps for each locomotor condition (i.e. slow speed/level, fast speed, downhill and uphill).

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