| |
|
Exercise intensity (% VO2max)
|
| |
Rest
|
20%
|
40%
|
60%
|
|
Mean arterial pressure (MAP, mmHg)
|
|
CON
|
85 (10)
|
86 (13)
|
88 (9)
|
92 (9)
|
|
BFR
|
91 (10)
|
96 (8)
|
106 (11)
|
118 (8)
|
|
Difference
|
6
|
10
|
18 **
|
26 **
|
|
Systolic arterial pressure (SAP,
mmHg)
|
|
CON
|
116 (11)
|
124 (13)
|
135 (13)
|
147 (7)
|
|
BFR
|
121 (9)
|
142 (15)
|
163 (17)
|
189 (17)
|
|
Difference
|
5
|
18 *
|
28 **
|
42 **
|
|
Diastolic arterial pressure (DAP,
mmHg)
|
|
CON
|
70 (10)
|
67 (16)
|
64 (13)
|
64 (12)
|
|
BFR
|
76 (11)
|
73 (7)
|
78 (11)
|
83 (8)
|
|
Difference
|
6
|
6
|
14
|
19 *
|
|
Rate-pressure product (HR * SAP)
|
|
CON
|
7532 (1795)
|
11154 (1531)
|
15219 (2048)
|
19767 (2491)
|
|
BFR
|
9684 (2070)
|
14755 (2551)
|
22437 (5166)
|
30510 (5297)
|
|
Difference
|
2152 *
|
3601 **
|
7218 **
|
10743 **
|
|
Total systemic peripheral resistance
(MAP / Q; mmHg.min.L-1)
|
|
CON
|
19.7 (6.2)
|
11.4 (2.8)
|
8.3 (1.4)
|
7.4 (1.4)
|
|
BFR
|
23.1 (7.7)
|
14.1 (3.0)
|
10.6 (2.0)
|
9.9 (1.9)
|
|
Difference
|
3.4
|
2.7
|
2.3 **
|
2.5 **
|
|
VO2 (ml.min-1)
|
|
CON
|
217 (38)
|
806 (173)
|
1421 (197)
|
2000 (281)
|
|
BFR
|
260 (46)
|
879 (213)
|
1546 (224)
|
2208 (299)
|
|
Difference
|
43
|
73
|
125
|
208
|
|
a-v O2 difference
(VO2 / Q; ml.L-1)
|
|
CON
|
-
|
107 (26)
|
136 (32)
|
163 (40)
|
|
BFR
|
-
|
129 (40)
|
155 (42)
|
186 (46)
|
|
Difference
|
-
|
22
|
19
|
23
|
|
Q (L)
|
|
|
|
|
|
CON
|
-
|
7.8 (1.6)
|
10.8 (2.0)
|
12.7 (2.4)
|
|
BFR
|
-
|
7.1 (1.3)
|
10.4 (2.1)
|
12.3 (2.4)
|
|
Difference
|
-
|
.7
|
.4
|
.4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
a-v O2 difference,
arterial-venous oxygen difference; VO2, oxygen uptake; Q,
cardiac output; HR, heart rate. Significant differences between BFR
and
CON: * p < 0.05, ** p < 0.01.
|