Table 5.
Blood biomarkers
| Time Point | ||||
|---|---|---|---|---|
|
| ||||
| BR−3 | BR28 | BR+0 | BR+5 | |
| Cholesterol (mg/dL) | ||||
| CONT | 193 (169–218) | 182 (157–206) | 184 (159–208) | 173 (148–197) |
| Ex | 175 (157–193) | 175 (157–193) | 172 (154–190) | 167 (149–185) |
| ExT | 164 (148–179) | 162 (146–178) | 154 (138–170) | 150 (134–166) |
| LDL (mg/dL) | ||||
| CONT | 119 (100–139) | 112 (93–131) | 115 (95–134) | 111 (91–130) |
| Ex | 110 (94–127) | 111 (95–128) | 109 (93–126) | 105 (88–121) |
| ExT | 98 (83–113) | 98 (83–113) | 94 (79–109) | 91 (75–106) |
| HDL (mg/dL) | ||||
| CONT | 45 (40–50) | 39* (34–44) | 38* (33–43) | 39* (34–44) |
| Ex | 46 (43–49) | 41* (38–44) | 41* (38–44) | 40* (37–43) |
| ExT | 48 (42–53) | 45* (39–50) | 41* (35–46) | 42* (36–47) |
| Triglyceride (mg/dL) | ||||
| CONT | 146 (104–189) | 153 (110–195) | 153 (110–195) | 116 (73–158) |
| Ex | 92 (73–112) | 111 (92–131) | 109 (90–128) | 108 (89–128) |
| ExT | 88 (60–116) | 98 (70–127) | 98 (70–126) | 91 (62–119) |
| CRP (mg/L) | ||||
| CONT | 0.98 (0.13–1.83) | 0.63 (0.22–1.48) | 0.89 (0.03–1.74) | 3.98* (3.13–4.83) |
| Ex | 0.93 (0.25–1.61) | 0.72 (0.04–1.41) | 1.50 (0.78–2.23) | 1.24 (0.51–1.96) |
| ExT | 0.68 (0.12–1.23) | 0.70 (0.16–1.24) | 0.62 (0.08–1.16) | 0.85 (0.30–1.40) |
| Phospholipids (mg/g) | ||||
| CONT | 2.01 (1.85–2.16) | 2.01 (1.85–2.16) | 1.98 (1.83–2.14) | 2.16 (2.00–2.31) |
| Ex | 2.17 (1.97–2.37) | 2.09 (1.89–2.29) | 2.12 (1.91–2.32) | 2.10 (1.90–2.30) |
| ExT | 2.13 (1.89–2.37) | 2.24 (2.00–2.48) | 2.19 (1.95–2.44) | 2.22 (1.98–2.46) |
| SOD (U/g) | ||||
| CONT | 1475 (1361–1588) | 1519 (1405–1632) | 1590 (1476–1703) | 1531 (1418–1645) |
| Ex | 1513 (1385–1642) | 1566 (1437–1694) | 1715 (1580–1851) | 1626 (1497–1754) |
| ExT | 1574 (1424–1724) | 1730 (1580–1880) | 1641 (1491–1791) | 1634 (1484–1784) |
| Total Antioxidant Capacity (mmol/L) | ||||
| CONT | 1.69 (1.58–1.80) | 1.67 (1.56–1.78) | 1.66 (1.55–1.77) | 1.62 (1.51–1.72) |
| Ex | 1.65 (1.58–1.72) | 1.66 (1.59–1.73) | 1.65 (1.57–1.72) | 1.62 (1.55–1.70) |
| ExT | 1.67 (1.55–1.79) | 1.67 (1.55–1.79) | 1.64 (1.52–1.75) | 1.63 (1.51–1.75) |
| HCT (%) | ||||
| CONT | 45 (40–50) | 39 (34–44) | 38 (33–43) | 39 (34–44) |
| Ex | 46 (43–49) | 41 (38–44) | 41 (38–44) | 40 (37–43) |
| ExT | 48 (42–53) | 45 (39–50) | 41 (35–46) | 42 (36–47) |
| HB (g/dL) | ||||
| CONT | 15.4 (14.7–16.1) | 16.3 (15.5–17.0) | 15.7 (15.0–16.5) | 14.5* (13.7–15.2) |
| Ex | 14.7 (14.1–15.3) | 15.3 (14.7–15.9) | 15.2 (14.6–15.8) | 14.4 (13.8–15.0) |
| ExT | 15.2 (14.4–15.9) | 15.9 (15.2–16.7) | 15.5 (14.7–16.2) | 14.7 (14.0–15.5) |
BR, bed rest day; LV, left ventricular; LDL, low density lipoprotein; HDL, high density lipoprotein; CRP, C-reactive protein; SOD, superoxide dismustase; HCT, hematocrit; HB, hemoglobin. Values are mean and 95% CI.
*
p<0.007 vs. BR−2.