Methodological Differences in the Interpretation of Fatigue Data from Repeated Maximal Effort Knee Extensions

Table 3: Slope and linearity of the torque change*.

Description	Torque	Slope Mean	Slope SD	r Mean	r SD
50 Reps All Reps	TI_F	-1.12	0.21	-0.92	0.05
	PT	-1.17	0.22	-0.93	0.06
	T135	-1.2	0.27	-0.89	0.1
	TI_M	-1.2	0.26	-0.9	0.09
	TI_L	-1.31	0.21	-0.92	0.06
50 Reps FPT	TI_F	-1.2	0.2	-0.95	0.03
	PT	-1.25	0.2	-0.96	0.04
	TI_M	-1.32	0.22	-0.95	0.05
	T135	-1.33	0.22	-0.95	0.06
	TI_L	-1.42	0.19	-0.96	0.03
30 Reps All Reps	TI_F	-1.23	0.39	-0.81	0.16
	PT	-1.24	0.34	-0.82	0.16
	T135	-1.27	0.51	-0.73	0.27
	TI_M	-1.29	0.48	-0.75	0.25
	TI_L	-1.41	0.43	-0.8	0.19
30 Reps FPT	TI_F	-1.54	0.37	-0.92	0.09
	PT	-1.57	0.28	-0.95	0.06
	T135	-1.67	0.4	-0.91	0.17
	TI_M	-1.67	0.38	-0.91	0.16
	TI_L	-1.81	0.31	-0.95	0.09

All five torque variables were regressed against repetition number using repetitions repetition ranges of 30 or 50. The initial repetition used in the regressions was either the first repetition, or the repetition with the highest PT (FPT). Torque slopes are expressed as percent change in torque per repetition. Linearity is expressed using Pearson r values.