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Fibre type distribution in ALS muscle.
| BL | 12 wk. | |
|---|---|---|
| Total fibres (mean) | 300.8 ± 83.5 | 207 ± 38 |
| Type I (%) | 52.5 ± 6.3 | 54.9 ± 9.3 |
| Type II (%) | 42.7 ± 15 | 40.3 ± 7.5 |
| Mixed (%) | 4.9 ± 2.0 | 4.8 ± 1.5 |
| CSA type I (μm2) | 3480 ± 375 | 3116 ± 763 |
| CSA type II (μm2) | 3998 ± 591 | 3596 ± 1159 |
| CSA mixed (μm2) | 5807 ± 679 | 3461 ± 1040# |
No significant differences are observed for any parameters except for the cross-sectional area (CSA) of mixed fibres, which is reduced at 12 wk. compared to BL (# p < 0.05).
