TABLE 3.
Muscle characteristics.
| n | MCSA type I | MCSA type II | type I area | capillary density | capillary to-fiber ratio | COX4I1 | |
|---|---|---|---|---|---|---|---|
| [μm2] | [μm2] | [%] | [mm−2] | [/28S rRNA] | |||
| all | 27 | 5,598.3 ± 2023.9 | 6,935.6 ± 2,713.9 | 36.6 ± 10.4 | 290.3 ± 41.6 | 2.22 ± 0.62 | 11.6 ± 16.1 |
| unfit | 9 | 4,424.6 ± 916.5 | 5,709.7 ± 1800.9 | 34.5 ± 11.1 | 283.7 ± 46.5 | 1.95 ± 0.54 | 5.2 ± 4.2 |
| fit | 18 | 6,451.9 ± 2,126.4 | 7,827.1 ± 2,926.6 | 38.2 ± 9.8 | 293.4 ± 39.9 | 2.34 ± 0.64 | 16.8 ± 21.2 |
| p fitness | 0.006 | 0.086 | 0.039 | 0.945 | 0.305 | 0.023 | |
| ACE-DD | 4,863.0 ± 1,303.6 | 5,704.7 ± 1891.0 | 38.0 ± 7.1 | 281.4 ± 40.0 | 1.99 ± 0.49 | 10.0 ± 19.1 | |
| ACE-ID/II | 6,415.4 ± 2,310.1 | 8,303.2 ± 2,629.9 | 35.2 ± 14.1 | 299.1 ± 42.2 | 2.44 ± 0.65 | 13.8 ± 11.5 | |
| p genotype | 0.079 | 0.019 | 0.340 | 0.121 | 0.094 | 0.094 | |
| fitness x genotype | 0.125 | 0.463 | 0.402 | 0.109 | 0.642 | 0.374 |
Mean ± SD for selected characteristics of the studied 27 subjects in vastus lateralis muscle before one-legged exercise and glycogen concentration with exercise. Bold values indicate effects which were deemed significant at p < 0.05. ANOVA for the effects of ACE I-allele (i.e., genotype) x aerobic fitness (fitness) with post-hoc test of least significant difference.