TABLE 1.

The mean (± 95% confidence interval) characteristics of the discriminated MUs at pre- and post-intervention in the exercise and control groups.

	Pre-Intervention (PRE)					Post-Intervention (POST)
	MU Yield	Minimum RT (%MVIC)	Maximum RT (%MVIC)	RT Range (%MVIC)	r	MU Yield	Minimum RT	Maximum RT	RT Range	r
Exercise	18.4 (±5.2)	18.4 (±6.6)	51.1 (±12.4)	32.8 (±10.8)	0.84 (±0.06)	22.3 (±7.9)	20.6 (±9.2)	47.1 (±13.2)	26.5 (±9.5)	0.85 (±0.04)
Control	22.1 (±4.6)	27.4 (±5.1)	60.0 (±4.3)	32.6 (±4.0)	0.83 (±0.05)	23.3 (±3.3)	26.9 (±4.0)	61.3 (±5.1)	34.4 (±4.3)	0.86 (±0.04)

MU, motor unit; RT, recruitment threshold; MVIC, maximal voluntary isometric contraction; r, correlation coefficient of the motor unit action potential amplitude versus recruitment threshold relationship