Table 2.

The individual slopes (pps μV⁻¹) and y‐intercepts (pps) of the mean firing rate (MFR) versus motor unit action potential amplitude (MUAP_PP) relationships during the first, early, middle, late, and last repetitions of the high‐torque (HT) and low‐torque (LT) exercise conditions

	LT (30% MVIC)										HT (70% MVIC)
	First		Early		Mid		Late		Last		First		Early		Mid		Late		Last
Subject	Slope	Intercept	Slope	Intercept	Slope	Intercept	Slope	Intercept	Slope	Intercept	Slope	Intercept	Slope	Intercept	Slope	Intercept	Slope	Intercept	Slope	Intercept
1	−0.05	16.75	−0.05	17.48	−0.04	12.11	−0.05	16.40	−0.04	15.65	−0.06	26.56	−0.04	22.65	−0.03	20.09	−0.04	25.34	−0.03	20.65
2	−0.05	18.96	−0.03	16.77	−0.03	17.40	−0.03	16.58	−0.04	17.08	−0.03	16.34	−0.03	17.19	−0.03	18.79	−0.05	22.50	−0.03	19.35
3	−0.04	23.34	−0.03	20.25	−0.03	20.14	−0.04	21.94	−0.03	21.16	−0.02	24.90	−0.03	26.07	−0.03	26.91	−0.02	21.81	−0.01	19.70
4	−0.04	14.07	−0.02	12.33	−0.02	12.83	−0.04	16.48	−0.03	15.45	−0.03	16.72	−0.02	16.97	−0.04	21.52	−0.04	27.15	−0.04	25.69
5	−0.05	23.30	−0.05	23.11	−0.06	23.99	−0.05	23.07	−0.09	27.16	−0.05	20.87	−0.04	18.75	−0.03	18.83	−0.04	21.17	−0.02	19.00
6	−0.08	18.46	−0.06	19.55	−0.07	21.03	−0.04	18.80	−0.04	17.85	−0.06	20.79	−0.07	23.30	−0.03	18.19	−0.04	20.56	−0.05	21.84
7	−0.02	17.80	−0.02	16.33	−0.01	13.51	−0.02	13.02	−0.02	16.27	−0.01	14.32	−0.03	18.15	−0.02	16.31	−0.03	21.75	−0.02	20.10
8	−0.04	15.69	−0.03	15.14	−0.02	14.04	−0.03	14.52	−0.03	16.02	−0.04	16.53	−0.04	16.08	−0.03	16.17	−0.02	14.40	−0.08	26.69
9	−0.03	18.03	−0.04	17.68	−0.03	17.07	−0.03	15.71	−0.05	20.18	−0.04	20.79	−0.03	20.65	−0.03	20.33	−0.03	19.67	−0.02	22.06
10	−0.03	16.46	−0.03	17.33	−0.03	18.73	−0.03	19.13	−0.03	19.68	−0.03	23.09	−0.03	23.70	−0.04	28.32	−0.03	26.22	−0.03	27.11
11	−0.05	22.16	−0.05	20.61	−0.04	18.73	−0.04	18.15	−0.03	17.32	−0.03	22.18	−0.05	25.07	−0.02	23.48	−0.03	26.01	−0.03	25.77
12	−0.09	25.70	−0.06	22.43	−0.05	22.10	−0.04	23.43	−0.04	23.91	−0.04	26.31	−0.03	21.54	−0.02	23.54	−0.02	23.07	−0.02	23.86
13	−0.03	18.33	−0.06	20.21	−0.03	17.61	−0.03	18.43	−0.05	20.82	−0.03	23.02	−0.04	24.64	−0.05	26.93	−0.04	25.92	−0.03	22.17
14	−0.03	17.93	−0.04	18.81	−0.03	16.67	−0.03	18.14	−0.04	17.72	−0.04	18.56	−0.03	20.15	−0.02	19.47	−0.03	22.83	−0.03	24.03
15	−0.04	19.61	−0.05	17.91	−0.04	16.84	−0.04	17.13	−0.03	15.42	−0.05	20.09	−0.04	17.67	−0.04	16.68	−0.05	18.50	−0.04	16.96
16	−0.05	17.44	−0.04	17.50	−0.04	17.42	−0.04	16.11	−0.05	17.28	−0.06	22.08	−0.06	21.55	−0.04	19.92	−0.09	25.38	−0.03	19.01
17	−0.11	22.80	−0.07	19.34	−0.06	17.77	−0.06	19.25	−0.05	18.61	−0.06	24.55	−0.04	20.15	−0.04	18.99	−0.04	22.50	−0.04	20.95
18	−0.07	19.11	−0.04	17.10	−0.04	16.42	−0.05	17.07	−0.05	16.42	−0.05	19.00	−0.05	19.74	−0.06	19.78	−0.02	14.13	−0.04	19.53
Mean	−0.05	19.22	−0.04	18.33	−0.04	17.47	−0.04	17.96	−0.04	18.55	−0.04	20.93	−0.04	20.78	−0.03	20.79	−0.04	22.16	−0.03	21.91
SD	0.02	3.07	0.01	2.57	0.01	3.13	0.01	2.75	0.02	3.15	0.01	3.54	0.01	3.00	0.01	3.66	0.02	3.76	0.02	2.99