Table 3. Selected markers of muscle damage and metabolic response to exercise before and after each of three bouts of exhaustive treadmill exercise.
| Marker | Bouts of exhaustive treadmill exercise | |||||
|---|---|---|---|---|---|---|
| 1st bout | 2nd bout | 3rd bout | ||||
| before | after | before | after | before | After | |
| CK (U/l) | 162±63 (141) | 211±112* (179) | 267±216 (158) | 302±184* (197) | 301±131 (299) | 348±130*† (320) |
| AST (U/l) | 26±7 (25) | 35±19 (30) | 29±8 (27) | 36±17 (29) | 32±10 (33) | 54±68* (31) |
| ALT (U/l) | 28±8 (26) | 33±14 (28) | 29±10 (28) | 33±12 (31) | 32±11 (35) | 48±52* (35) |
| Lactate (mmol/l) | 1.7±0.8 (2.1) | 8.9±4.6* (8.0) | 1.4±0.7 (1.2) | 8.8±5.0* (9.9) | 1.6±0.5 (1.5) | 8.0±4.5* (7.6) |
| Creatinine (μmol/l) | 84.8±11.6 (81.0) | 116.0±6.8* (112.1) | 84.3±10.0 (83.2) | 113.5±11.1* (106.5) | 85.8±13.8 (80.4) | 105.9±12.6* (94.1) |
| Urea (mmol/l) | 5.8±1.2 (5.6) | 6.4±1.5* (5.8) | 5.7±1.1 (5.7) | 6.4±1.4 (5.7) | 6.1±1.7 (5.5) | 6.7±1.7 (5.5) |
| Glucose (mmol/l) | 5.2±0.8 (5.2) | 6.8±1.8* (6.1) | 5.9±1.1 (5.6) | 6.9±1.9 (5.9) | 5.1±1.0 (5.1) | 6.3±1.8 (5.6) |
| CRP [mg/L] | 0.99±0.60 (0.80) | 1.53±1.28* (1.17) | 1.29±1.10 (1.00) | 1.31±1.29 (0.71) | 1.73±1.76 (1.00) | 1.92±1.91 (1.04) |
CK–creatine kinase, AST–asparate aminotransferase, ALT–alanine aminotransferase, CRP–C-reactive protein. Results are expressed as mean ± standard deviation (and median in parentheses). Other details as for Table 1.
* vs corresponding value before the bout, p<0.05.
† vs corresponding values before the first and the second bout, p<0.05.