TABLE 4.

Diaphragm fatigability measures

	Female		Male
	Baseline	Post‐IPTL	Baseline	Post‐IPTL
Contraction time, ms a	126.7 ± 8.2	122.9 ± 12.0	125.2 ± 9.3	118.8 ± 12.7
Half‐relaxation time, ms a	72.1 ± 9.2	67.3 ± 15.0	69.0 ± 10.3	64.3 ± 12.9
CMAP amplitude, mV	1.75 ± 0.65	1.58 ± 0.74	1.66 ± 0.72	1.61 ± 0.66
CMAP onset, ms	7.3 ± 1.3	6.7 ± 1.9	7.9 ± 0.9	7.6 ± 1.6
CMAP duration, ms	20.9 ± 3.0	19.9 ± 5.2	20.5 ± 1.9	20.0 ± 4.1

Abbreviations: IPTL, inspiratory pressure threshold loading; CMAP, compound muscle action potential.

^a Main effect of time (p < 0.05). Values are mean ± SD.