Contractile properties | mdx(n= 6) | mdx-TG (n= 6) | P value |
---|---|---|---|
EDL mass (mg) | 15.8 ± 0.8 | 13.7 ± 0.5 | 0.043* |
Lo (mm) | 11.9 ± 0.2 | 12.2 ± 0.1 | 0.205 |
CSA (cm2) | 0.028 ± 0.001 | 0.024 ± 0.001 | 0.009* |
Passive stiffness (N/m) | 19.6 ± 1.6 | 14.2 ± 0.9 | 0.018* |
Active stiffness (N/m) | 714.8 ± 40.1 | 738.7 ± 98.3 | 0.826 |
Pt (mN) | 59.6 ± 5.6 | 65.7 ± 8.1 | 0.593 |
TPT (ms) | 17.9 ± 0.4 | 18.3 ± 0.4 | 0.556 |
RT1/2 (ms) | 21.4 ± 1.3 | 19.1 ± 0.7 | 0.161 |
Specific Pt (N/cm2) | 2.1 ± 0.2 | 2.8 ± 0.4 | 0.153 |
Po (mN) | 264.0 ± 21.5 | 288.6 ± 39.1 | 0.593 |
+dP/dt (N/s) | 7.15 ± 0.63 | 7.68 ± 0.95 | 0.648 |
-dP/dt (N/s) | 10.9 ± 1.2 | 13.0 ± 2.4 | 0.458 |
Specific Po (N/cm2) | 9.1 ± 0.6 | 12.2 ± 1.8 | 0.140 |