. 2019 Jan 2;69(2):375–385. doi: 10.1007/s12576-018-0653-1

Table 1.

Cardiorespiratory and cerebrovascular variables during rest, isometric exercise, post-exercise muscle ischemia, and recovery

	BL	EX				PEMI				REC
	BL	30 s	60 s	90 s	120 s	30 s	60 s	90 s	120 s	30 s	60 s	90 s	120 s
HR (beat min⁻¹)	71 ± 13	86 ± 13*	88 ± 12*	92 ± 12*	96 ± 13*	74 ± 15	69 ± 13	69 ± 13	69 ± 13	72 ± 11	71 ± 12	68 ± 12	66 ± 13
SBP (mmHg)	122 ± 13	129 ± 17*	139 ± 14*	147 ± 15*	150 ± 16*	127 ± 12	133 ± 13^†	133 ± 13^†	133 ± 13^†	115 ± 12	119 ± 12	120 ± 12	121 ± 10
DBP (mmHg)	66 ± 10	71 ± 11*	79 ± 9*	85 ± 10*	87 ± 10*	66 ± 9	75 ± 8*	75 ± 8*	75 ± 8*	57 ± 9	64 ± 9	64 ± 9	65 ± 9
MAP (mmHg)	86 ± 11	91 ± 12*	99 ± 10*	107 ± 11*	109 ± 12*	87 ± 10	95 ± 9*	95 ± 9*	95 ± 10*	77 ± 9	83 ± 9	83 ± 10	84 ± 9
CO (%)	0	27.0 ± 10.6*	40.9 ± 20.7*	51.1 ± 30.6*	60.3 ± 35.8*	26.4 ± 26.5*	18.0 ± 20.7^†	19.0 ± 18.9^†	17.4 ± 18.2^†	15.3 ± 16.3^†	14.7 ± 16.4^†	12.2 ± 15.6	9.2 ± 14.2
V_E (L min⁻¹)	9.2 ± 2.7	9.8 ± 3.9^†	10.9 ± 4.3^†	13.9 ± 6.2*	13.1 ± 28*	12.2 ± 3.4*	11.0 ± 2.8^†	9.8 ± 2.4	9.6 ± 3.0	10.0 ± 2.4	10.6 ± 2.2	9.2 ± 2.2	8.8 ± 1.3
P_ETCO₂ (mmHg)	37.4 ± 4.5	38.7 ± 5.4	39.3 ± 3.7^†	40.1 ± 5.1^†	41.2 ± 54^†	39.4 ± 4.9^†	37.3 ± 4.9	36.5 ± 4.7	36.2 ± 4.7	39.6 ± 3.9	39.2 ± 4.0	37.9 ± 3.9	37.1 ± 4.4
ICA blood flow (mL min⁻¹)	295 ± 88	335 ± 96*	348 ± 100*	330 ± 102	328 ± 113	279 ± 81	289 ± 83	281 ± 81	297 ± 91	318 ± 112	322 ± 105	319 ± 107	285 ± 86
ECA blood flow (mL min⁻¹)	115 ± 49	131 ± 43^†	135 ± 51^†	152 ± 54*	171 ± 49*	147 ± 60*	152 ± 79^†	134 ± 70^†	135 ± 66^†	114 ± 61	107 ± 50	110 ± 46	106 ± 43
VA blood flow (mL min⁻¹)	93 ± 34	111 ± 44*	118 ± 46*	118 ± 46*	115 ± 45^†	99 ± 42	94 ± 35	95 ± 39	94 ± 36	92 ± 36	96 ± 35	92 ± 32	92 ± 33
ICA conductance (mL min⁻¹ mmHg⁻¹)	3.56 ± 1.22	3.84 ± 1.28	3.56 ± 1.01	3.16 ± 0.96^†	3.08 ± 1.05	3.26 ± 0.99	3.07 ± 0.88	2.97 ± 0.78^†	3.15 ± 0.89	4.24 ± 1.50^†	3.99 ± 1.45	3.91 ± 1.39	3.44 ± 1.07
ECA conductance (mL min⁻¹ mmHg⁻¹)	1.37 ± 0.50	1.48 ± 0.50	1.38 ± 0.49	1.45 ± 0.49	1.60 ± 0.40	1.71 ± 0.70*	1.61 ± 0.79^†	1.43 ± 0.72	1.44 ± 0.68	1.52 ± 0.79	1.32 ± 0.60	1.34 ± 0.55	1.27 ± 0.49
VA conductance (mL min⁻¹ mmHg⁻¹)	1.11 ± 0.41	1.24 ± 0.48	1.21 ± 0.47	1.12 ± 0.42	1.08 ± 0.44	1.14 ± 0.49	1.00 ± 0.38^†	1.01 ± 0.42^†	1.00 ± 0.37*	1.21 ± 0.46	1.16 ± 0.39	1.10 ± 0.35	1.09 ± 0.37

Data are mean ± SD

BL baseline rest, EX static exercise, PEMI post exercise muscle ischaemia, REC recovery, HR heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, MAP mean arterial pressure, CO relative change in cardiac output from the baseline, V_E minute ventilation, P_ETCO₂ end-tidal partial pressure of CO₂, ICA internal carotid artery, ECA external carotid artery, VA vertebral artery

*Different from baseline rest (P < 0.01)

^†Different from baseline rest (P < 0.05)