Table 2 Measurements (ratio) for each stage of deglutition (n = 5 per subject)
| Â | Mean | SD |
|---|---|---|
Contact between tongue and palate (AM-E/AM-PM) | ||
 Stage 1 | 0.17 | 0.05 |
 Stage 2 | 0.21 | 0.03 |
 Stage 3 | 1.00 | 0 |
Front part of dorsal tongue (MM-MT/MM-MS) | ||
 Stage 1 | 0.36 | 0.17 |
 Stage 2 | 0.16 | 0.03 |
 Stage 3 | 0 | 0 |
Middle part of dorsal tongue (PM-MT/PM-MS) | ||
 Stage 1 | 0.47 | 0.03 |
 Stage 2 | 0.33 | 0.06 |
 Stage 3 | 0 | 0 |
Rear part of dorsal tongue (C1-D/C1-Me) | ||
 Stage 1 | 0.26 | 0.03 |
 Stage 2 | 0.32 | 0.02 |
 Stage 3 | 0.29 | 0.03 |
Tongue tip (P′-Ti/PS-I) | ||
 Stage 1 | 0.88 | 0.02 |
 Stage 2 | 0.88 | 0.02 |
 Stage 3 | 0.88 | 0.01 |