Table 1.
Anthropometric, physiological and performance characteristics of the 12 elite male sprint cross-country skiers involved in this study
| Parameter | Mean ± SD (range) |
|---|---|
| Age (years) | 25 ± 3 (20–34) |
| Body height (cm) | 185 ± 6 (174–194) |
| Body mass (kg) | 82.6 ± 6.6 (71.0–94.0) |
| Body mass index (kg m−2) | 24.2 ± 0.8 (22.6–25.3) |
| Body fat (%) | 9.0 ± 2.3 (5.7–12.0) |
| VO2peak (l min−1) | 5.74 ± 0.52 (5.03–6.46) |
| VO2peak (ml min−1 kg−1) | 70.0 ± 2.7 (65.5–74.7) |
| TTEa in the VO2peak-test (s) | 258 ± 86 (185–395) |
| Gross efficiency (%) | 14.7 ± 0.8 (12.9–15.7) |
| Peak treadmill speed (m s−1) | 8.7 ± 0.4 (7.9–9.0) |
| Peak BLab (mmol l−1) | 11.9 ± 1.7 (8.8–14.1) |
| Peak cycle length (m) | 10.0 ± 1.3 (8.1–12.2) |
| Sprint FIS points | 44.1 ± 40.0 (11.1–118.6) |
| Training (h year−1) | 702 ± 113 (600–850) |
aTime to exhaustion
bBlood lactate concentration