Muscle pathology | |||
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Morphometry parameters | ASM | DM | NAM |
Number of fibers per area± | 2086.3 ± 440.8 | 3175.1 ± 481.0 | 2665.4 ± 675.9 |
Number of type I (%) | 49.5 ± 4.6 | 53.9 ± 4.2 | 50.3 ± 5.3 |
Number of type II (%) | 50.5 ± 4.6 | 46.1 ± 4.2 | 49.7 ± 5.3 |
CSA all fibers (μm2) | 1761.3 ± 495.5 | 1410.1 ± 180.6 | 2268.5 ± 365.0 |
CSA type I (μm2) | 2022.2 ± 435.0 | 1569.0 ± 183.7 | 2722.1 ± 526.9 |
CSA type II (μm2) | 1508.4 ± 591.3 | 1171.6 ± 191.8 | 1747.4 ± 149.3 |
Perimeter all fibers (μm) | 168.7 ± 25.5 | 156.8 ± 11.3 | 196.6 ± 14.1 |
Perimeter type I (μm) | 183.9 ± 19.9 | 165.1 ± 11.1 | 216.1 ± 18.6 |
Perimeter type II (μm) | 153.1 ± 32.6 | 144.4 ± 12.4 | 174.5 ± 9.3 |
Major diameter all fibers (μm) | 57.3 ± 7.9 | 54.0 ± 3.7 | 66.6 ± 5.0 |
Major diameter type I (μm) | 62.2 ± 5.7 | 56.6 ± 3.5 | 73.2 ± 6.8 |
Major diameter type II (μm) | 52.1 ± 10.5 | 49.8 ± 4.1 | 59.3 ± 3.0 |
Minor diameter all fibers (μm) | 33.7 ± 5.9 | 30.6 ± 1.9 | 38.3 ± 3.0 |
Minor diameter type I (μm) | 37.3 ± 4.9 | 32.9 ± 1.9 | 43.1 ± 4.4 |
Minor diameter type II (μm) | 30.1 ± 7.3 | 27.3 ± 2.1 | 32.7 ± 1.1 |
Atrophy factor all fibers | 6.7 ± 2.5 | 6.4 ± 1.0 | 4.4 ± 0.6 |
Atrophy factor type I | 4.6 ± 1.5 | 5.2 ± 1.0 | 2.8 ± 0.6 |
Atrophy factor type II | 9.1 ± 3.7 | 8.2 ± 1.4 | 6.2 ± 0.8 |
Hypertrophy factor all | 0.09 ± 0.05 | 0.04 ± 0.03 | 0.52 ± 0.3 |
Hypertrophy factor type I | 0.10 ± 0.06 | 0.05 ± 0.03 | 0.65 ± 0.4 |
Hypertrophy factor type II | 0.10 ± 0.07 | 0.03 ± 0.03 | 0.36 ± 0.2 |