Indices of local exercise
|
Normal subjects (n = 15) | Patients with CHF (n = 13) | |
| 1 RM (kg) | 43.5 (9.6) | 35.9 (10.7) |
| MCA (cm2) | 52.9 (9.2) | 45.5 (5.9)2-150 |
| 1 RM/MCA | 0.78 (0.34) | 0.82 (0.18) |
| Muscle PCr | ||
| Rest | 0.95 (0.02) | 0.91 (0.05) |
| Peak | 0.48 (0.06) | 0.40 (0.01)2-150 |
| PCr depletion | 0.50 (0.06) | 0.56 (0.09)2-150 |
| τ PCr (s) | 36.5 (5.8) | 76.3 (30.2)2-150 |
| Muscle pH | ||
| Rest | 7.00 (0.10) | 7.05 (0.08) |
| Peak | 6.75 (0.03) | 6.56 (0.01)2-150 |
| τ Oxy-Hb (s) | 30.1 (7.7) | 48.3 (7.3)2-150 |
Values are means (SD).
↵2-150 p < 0.05 v normal subjects.
CHF, chronic heart failure; MCA, maximum muscle cross sectional area; oxy-Hb, oxyhaemoglobin; PCr, phosphocreatine; 1 RM, one repetition maximum method.