| m. biceps femoris | m. longissimus dorsi | ||
---|---|---|---|---|
 | Carriers (n = 7) | Non-carriers (n = 7) | Carriers (n = 7) | Non-carriers (n = 7) |
Fibre type (%) | Â | Â | Â | Â |
I | 27 ± 1 | 24 ± 1 | 15 ± 1 | 13 ± 1 |
IIA | 7 ± 1 | 8 ± 1 | 4 ± 1 | 2 ± 1 |
IIAX | 37 ± 2 | 33 ± 2 | 56 ± 3 * | 38 ± 3 |
IIB | 29 ± 1 * | 35 ± 1 | 25 ± 2 * | 47 ± 3 |
Fibre area (μm2) |  |  |  |  |
I | 2471 ± 194 * | 1896 ± 146 | 2571 ± 196 * | 1965 ± 192 |
IIA | 3346 ± 330 * | 2424 ± 173 | 2118 ± 326 | 1949 ± 426 |
IIAX | 5443 ± 399 * | 3352 ± 276 | 5088 ± 430 * | 3856 ± 354 |
IIB | 7054 ± 592 * | 5224 ± 500 | 4630 ± 396 | 4576 ± 229 |
Relative fibre area (%) | Â | Â | Â | Â |
I | 15 ± 2 | 14 ± 1 | 9 ± 1 | 6 ± 1 |
IIA | 5 ± 1 | 6 ± 1 | 2 ± 1 | 2 ± 1 |
IIAX | 41 ± 2 * | 33 ± 2 | 65 ± 3 * | 39 ± 3 |
IIB | 39 ± 3 * | 47 ± 1 | 25 ± 3 * | 53 ± 4 |
NADH intensity (%) | Â | Â | Â | Â |
I High | 100 ± 0 | 100 ± 0 | 100 ± 0 | 100 ± 0 |
IIA High | 12 ± 6 | 12 ± 5 | 17 ± 17 | 0 ± 0 |
IIA Medium | 88 ± 6 | 88 ± 5 | 83 ± 17 | 100 ± 0 |
IIAX Medium | 57 ± 4 * | 92 ± 3 | 25 ± 4 * | 61 ± 6 |
IIAX Low | 43 ± 4 * | 8 ± 3 | 75 ± 4 * | 39 ± 6 |
IIB Medium | 2 ± 1 | 2 ± 1 | 13 ± 3 * | 4 ± 2 |
IIB Low | 98 ± 1 | 98 ± 1 | 87 ± 3 * | 96 ± 2 |