Active force measurements in soleus muscle of IG KO and WT mice
| Parameter | WT | KO | P-value |
| Maximal force (g) | |||
| Twitch | 2.48 ± 0.21 | 1.20 ± 0.084 | <0.001 |
| Tetanus | 16.70 ± 1.36 | 11.59 ± 0.68 | <0.01 |
| CSA (mm2) | 0.72 ± 0.03 | 0.63 ± 0.01 | <0.01 |
| Maximal stress (mN/mm2) | |||
| Twitch | 33.6 ± 2.5 | 18.9 ± 1.3 | <0.001 |
| Tetanus | 226 ± 17 | 184 ± 13 | 0.06 |
| Twitch/tetanus ratio | 0.134 ± 0.006 | 0.086 ± 0.004 | <0.001 |
| Time to Peak (s) | |||
| Twitch | 0.025 ± 0.001 | 0.026 ± 0.001 | 0.62 |
| Tetanus | 0.844 ± 0.06 | 0.643 ± 0.06 | <0.05 |
| 1/2 Relaxation time (s) | |||
| Twitch | 0.0275 ± 0.001 | 0.035 ± 0.002 | <0.001 |
| Tetanus | 0.049 ± 0.002 | 0.055 ± 0.003 | 0.11 |
| Post-tetanic twitch potentiation | 0.96 ± 0.01 | 0.98 ± 0.01 | 0.26 |
| Frequency at 1/2 max force (Hz) | 76.1 ± 2.28 | 70.7 ± 5.86 | 0.43 |
| Force decrease during fatigue (%) | 0.53 ± 0.05 | 0.27 ± 0.02 | <0.001 |
| Parameter | WT | KO | P-value |
| Maximal force (g) | |||
| Twitch | 2.48 ± 0.21 | 1.20 ± 0.084 | <0.001 |
| Tetanus | 16.70 ± 1.36 | 11.59 ± 0.68 | <0.01 |
| CSA (mm2) | 0.72 ± 0.03 | 0.63 ± 0.01 | <0.01 |
| Maximal stress (mN/mm2) | |||
| Twitch | 33.6 ± 2.5 | 18.9 ± 1.3 | <0.001 |
| Tetanus | 226 ± 17 | 184 ± 13 | 0.06 |
| Twitch/tetanus ratio | 0.134 ± 0.006 | 0.086 ± 0.004 | <0.001 |
| Time to Peak (s) | |||
| Twitch | 0.025 ± 0.001 | 0.026 ± 0.001 | 0.62 |
| Tetanus | 0.844 ± 0.06 | 0.643 ± 0.06 | <0.05 |
| 1/2 Relaxation time (s) | |||
| Twitch | 0.0275 ± 0.001 | 0.035 ± 0.002 | <0.001 |
| Tetanus | 0.049 ± 0.002 | 0.055 ± 0.003 | 0.11 |
| Post-tetanic twitch potentiation | 0.96 ± 0.01 | 0.98 ± 0.01 | 0.26 |
| Frequency at 1/2 max force (Hz) | 76.1 ± 2.28 | 70.7 ± 5.86 | 0.43 |
| Force decrease during fatigue (%) | 0.53 ± 0.05 | 0.27 ± 0.02 | <0.001 |
n = 9 WT and 9 KO.