Table 1.
Effects of BR supplementation on resting hindlimb skeletal muscle BF and VC in CHF and CHF + BR rats
| BF, ml·min−1·100 g−1 |
VC, ml·min−1·100 g−1·mmHg−1 |
|||
|---|---|---|---|---|
| CHF | CHF + BR | CHF | CHF + BR | |
| Ankle extensors | ||||
| Soleus (9%) | 102 ± 19 | 62 ± 17 | 0.85 ± 0.17 | 0.54 ± 0.16 |
| Plantaris (80%) | 9 ± 1 | 13 ± 1 | 0.07 ± 0.01 | 0.11 ± 0.04 |
| Gastrocnemius | ||||
| Red (14%) | 44 ± 10 | 32 ± 9 | 0.36 ± 0.08 | 0.27 ± 0.09 |
| White (100%) | 7 ± 1 | 7 ± 2 | 0.05 ± 0.01 | 0.06 ± 0.01 |
| Mixed (91%) | 13 ± 2 | 12 ± 3 | 0.10 ± 0.02 | 0.10 ± 0.03 |
| Tibialis posterior (73%) | 9 ± 1 | 20 ± 1 | 0.08 ± 0.01 | 0.17 ± 0.07 |
| Flexor digitorum longus (68%) | 13 ± 5 | 26 ± 10 | 0.11 ± 0.04 | 0.22 ± 0.08 |
| Flexor halicus longus (71%) | 9 ± 2 | 9 ± 2 | 0.07 ± 0.01 | 0.08 ± 0.02 |
| Ankle flexors | ||||
| Tibialis anterior | ||||
| Red (63%) | 15 ± 6 | 8 ± 1 | 0.12 ± 0.05 | 0.06 ± 0.01 |
| White (80%) | 13 ± 2 | 11 ± 3 | 0.10 ± 0.02 | 0.09 ± 0.02 |
| Extensor digitorum longus (76%) | 7 ± 3 | 12 ± 5 | 0.06 ± 0.02 | 0.10 ± 0.04 |
| Peroneals (67%) | 12 ± 3 | 9 ± 2 | 0.10 ± 0.02 | 0.07 ± 0.02 |
| Knee extensors | ||||
| Vastus intermedius (4%) | 67 ± 16 | 48 ± 12 | 0.57 ± 0.15 | 0.41 ± 0.10 |
| Vastus medialis (82%) | 15 ± 3 | 9 ± 3 | 0.13 ± 0.03 | 0.08 ± 0.02 |
| Vastus lateralis | ||||
| Red (35%) | 38 ± 10 | 31 ± 8 | 0.32 ± 0.09 | 0.26 ± 0.07 |
| White (100%) | 7 ± 1 | 8 ± 3 | 0.06 ± 0.01 | 0.06 ± 0.02 |
| Mixed (89%) | 10 ± 2 | 10 ± 3 | 0.08 ± 0.02 | 0.08 ± 0.02 |
| Rectus femoris | ||||
| Red (66%) | 16 ± 5 | 11 ± 2 | 0.14 ± 0.05 | 0.09 ± 0.02 |
| White (100%) | 8 ± 1 | 7 ± 2 | 0.06 ± 0.01 | 0.07 ± 0.02 |
| Knee flexors | ||||
| Biceps femoris | ||||
| Anterior (100%) | 6 ± 1 | 7 ± 2 | 0.05 ± 0.01 | 0.06 ± 0.02 |
| Posterior (92%) | 7 ± 1 | 10 ± 2 | 0.06 ± 0.01 | 0.08 ± 0.02 |
| Semitendinosus (83%) | 10 ± 2 | 11 ± 2 | 0.08 ± 0.01 | 0.09 ± 0.02 |
| Semimembranosus | ||||
| Red (72%) | 9 ± 1 | 13 ± 3 | 0.07 ± 0.01 | 0.11 ± 0.03 |
| White (100%) | 7 ± 1 | 8 ± 2 | 0.06 ± 0.08 | 0.07 ± 0.02 |
| Thigh adductors | ||||
| Adductor longus (5%) | 126 ± 14 | 109 ± 19 | 1.03 ± 0.13 | 0.93 ± 0.17 |
| Adductor magnus and brevis (89%) | 10 ± 1 | 9 ± 2 | 0.08 ± 0.01 | 0.07 ± 0.01 |
| Gracilis (77%) | 12 ± 2 | 26 ± 13 | 0.10 ± 0.02 | 0.23 ± 0.11 |
| Pectineus (69%) | 23 ± 4 | 21 ± 4 | 0.19 ± 0.04 | 0.18 ± 0.04 |
Values are means ± SE; n = 10 in each group. CHF, congestive heart failure; BF, blood flow; VC, vascular conductance. Values in parentheses indicate %type IIb + IId/IIx according to Delp and Duan (15). BR, beetroot juice.