Table 2 Neck angles across age groups. Entries are mean ± standard deviation.
From: Extraction of average neck flexion angle during swallowing in neutral and chin-tuck positions
|  | 18 ≤ Age < 35 | 35 ≤ Age < 45 | 45 ≤ Age < 55 | 55 ≤ Age < 65 |
|---|---|---|---|---|
Neutral position - avg. angle | 98.7 ± 8.82 | 98.3 ± 9.72 | 99.0 ± 7.70 | 93.9 ± 15.3 |
Chin tuck position - avg. angle | 78.3 ± 8.99 | 78.1 ± 8.65 | 80.8 ± 11.1 | 76.0 ± 10.9 |
Chin tuck position - max. angle | 52.8 ± 11.3 | 51.7 ± 10.6 | 53.3 ± 12.1 | 51.5 ± 11.0 |