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Average (standard deviation) values are reported for the pennation angle and for the width of the tibialis anterior muscle, both estimated for the three foot positions
| Tibialis anterior architecture | ||
|---|---|---|
| Foot position | Pennation angle (deg) a | Muscle width (mm) a |
| DF | 15.3 (3.7) | 67.8 (8.0) |
| NE | 10.7 (4.5) | 59.8 (7.2) |
| PF | 8.0 (1.7) | 58.1 (5.0) |
DF, NE and PF respectively correspond to dorsiflexion, neutral and plantar flexion
aindicates effect of foot position with P < 0.02
