2.
Mean qMT Parameters for All Subjects Measured in Seven Muscle Regions (Expressed as Mean and Standard Deviation)
| Region |  |
 |
 (μs) |
 (s−1) |
T1obs(s) | T1a(s) | f |
 (ms) |
MTR (p.u.) |
|---|---|---|---|---|---|---|---|---|---|
| Gastrocnemius-m | 58.9 ± 6.0 | 0.16 ± 0.01 | 5.70 ± 0.18 | 13.9 ± 4.4 | 1.60 ± 0.08 | 1.70 ± 0.09 | 0.088 ± 0.005 | 30.7 ± 3.0 | 33.1 ± 2.1 |
| Gastrocnemius-l | 50.6 ± 6.1 | 0.14 ± 0.01 | 5.92 ± 0.20 | 15.7 ± 4.1 | 1.58 ± 0.08 | 1.66 ± 0.10 | 0.074 ± 0.007 | 33.0 ± 3.9 | 34.3 ± 2.3 |
| Soleus | 50.9 ± 3.9 | 0.15 ± 0.01 | 5.93 ± 0.17 | 17.0 ± 3.9 | 1.51 ± 0.05 | 1.58 ± 0.06 | 0.084 ± 0.006 | 31.0 ± 3.6 | 35.5 ± 1.9 |
| Tibalis-anterior | 67.3 ± 9.1 | 0.19 ± 0.02 | 5.99 ± 0.26 | 7.0 ± 2.3 | 1.52 ± 0.03 | 1.61 ± 0.05 | 0.099 ± 0.009 | 26.3 ± 2.3 | 26.7 ± 3.1 |
| Peroneus-longus | 54.7 ± 7.1 | 0.15 ± 0.02 | 6.07 ± 0.33 | 11.5 ± 3.4 | 1.39 ± 0.10 | 1.44 ± 0.10 | 0.087 ± 0.006 | 29.1 ± 2.4 | 31.4 ± 3.0 |
| Tibialis-posterior | 54.4 ± 5.9 | 0.15 ± 0.01 | 5.97 ± 0.20 | 13.2 ± 3.8 | 1.51 ± 0.05 | 1.59 ± 0.06 | 0.088 ± 0.005 | 30.2 ± 3.1 | 32.8 ± 2.5 |
| Extensor-digitorum | 63.8 ± 8.2 | 0.16 ± 0.02 | 6.15 ± 0.28 | 7.0 ± 3.1 | 1.47 ± 0.05 | 1.54 ± 0.07 | 0.091 ± 0.009 | 25.8 ± 2.5 | 27.4 ± 3.9 |
The MTR is calculated for Δ = 2kHz, θnom = 500° (ωCWPE = 434rads−1). Key: gastrocnemius-m = medial head of gastrocnemius muscle; gastrocnemius-l = lateral head.