Table 1. Heart rate and ratings of perceived exertion during multiple contractions, 30 repetitive plus 3 sets of 15 repetitions of biceps curls performed at 20% of 1-RM (n = 10). Values are mean (± SE).
|
Pre |
C30 |
S1-R15 |
S2-R15 |
S3-R15 |
Heart rate (BPM) |
|
|
|
|
|
Control |
75 (3) |
89 (3) |
89 (3) |
90 (3) |
91 (3) |
98 mmHg |
76 (4) |
91 (4) |
92 (4) |
93 (4) |
93 (4) |
121 mmHg |
75 (3) |
92 (4) |
93 (5) |
93 (4) |
93 (5) |
147 mmHg |
74 (2) |
93 (3) |
93 (3) |
98 (3) |
99 (4) |
Rating of Perceived Exertion |
|
|
|
|
|
Control |
- |
12 (1) |
12 (1) |
13 (1) |
13 (1) |
98 mmHg |
- |
13 (1) |
14 (1) |
15 (1) * |
16 (1) * |
121 mmHg |
- |
14 (1) * |
15 (0) * |
15 (1) * |
16 (1) * |
147 mmHg |
- |
14 (1) * |
15 (1) * |
16 (1) * |
17 (1) * |
Pre = pre-contraction bout, C30 =3 0 contraction, S1-R15 = 15 repetition of the 1 set, S2-R15 = 15 repetition of the 2 set, and S3-R15 = 15 repetition of the 3 set. Low, Mid, and High = blood flow restriction; cuff pressure at 98 (3), 121 (4), and 147 (4) mmHg. * different from control (p ¼ 0.05).