Table 7.
Median estimate of infant age from normative models (inter-joint coordination (I-J C) and maximum joint excursion)
| Infant ID | Age tested (weeks) | I-J C (hip–knee) | I-J C (knee–ankle) | Max joint excursion | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HF (ext.) | HA (add.) | HA (abd.) | HR (int. rot.) | HR (ext. rot.) | AF (flex.) | AF (ext.) | AI (inv.) | AI (ever.) | ||||
| C1 | 20 | 18.4 | 21.5 | 18.0 | 16.8 | 16.4 | 16.1 | 16.6 | 14.9 | 15.3 | 20.7 | 21.4 |
| C2 | 20 | 21.7 | 14.4 | 17.5 | 16.5 | 16.6 | 17.7 | 17.6 | 14.4 | 20.2 | 19.1 | 21.6 |
| F | 7.5 | 19.9 | 15.1 | 19.5 | 17.1 | 17.5 | 21.2 | 19.3 | 15.6 | 14.6 | 22.0 | 22.1 |
| 12.5 | 16.0 | 17.0 | 18.5 | 16.8 | 16.3 | 17.4 | 16.6 | 20.7 | 19.9 | 16.5 | 19.7 | |
| 22.5 | 16.9 | 16.2 | 17.4 | 16.8 | 16.8 | 20.1 | 18.5 | 14.9 | 16.0 | 18.1 | 16.7 | |
| 30.5 | 15.9 | 10.6 | 17.9 | 16.7 | 16.6 | 16.4 | 16.5 | 15.8 | 18.5 | 20.6 | 19.6 | |
| 35.5 | 15.0 | 21.8 | 16.3 | 16.6 | 16.6 | 20.0 | 19.6 | 23.4 | 17.4 | 15.1 | 18.9 | |
| G1 | 8.5 | 15.2 | 16.7 | 16.6 | 16.7 | 16.6 | 16.2 | 16.8 | 15.0 | 15.0 | 11.5 | 9.0 |
| G2 | 8.5 | 16.9 | 18.2 | 16.9 | 16.9 | 16.3 | 17.7 | 17.6 | 17.2 | 16.8 | 8.2 | 5.8 |
| I | 5 | 16.8 | 23.5 | 15.9 | 16.8 | 16.2 | 16.7 | 16.4 | 15.1 | 15.0 | 12.1 | 14.5 |
| 10 | 15.4 | 23.7 | 16.1 | 16.6 | 16.2 | 15.7 | 15.8 | 16.5 | 15.6 | 11.7 | 9.3 | |
| 22.5 | 17.5 | 17.6 | 17.3 | 17.0 | 17.3 | 16.5 | 16.6 | 18.8 | 19.5 | 18.7 | 18.0 | |
| 28.5 | 14.1 | 6.1 | 17.2 | 17.0 | 18.2 | 16.7 | 16.7 | 16.7 | 18.7 | 13.9 | 16.1 | |
| N | 14.5 | 17.2 | 17.9 | 17.7 | 18.5 | 16.5 | 17.1 | 17.5 | 16.8 | 19.3 | 16.5 | 15.9 |
| 20.5 | 16.6 | 18.9 | 16.7 | 16.6 | 16.7 | 16.8 | 16.9 | 15.2 | 15.4 | 16.6 | 15.6 | |
| V | 26 | 14.1 | 23.5 | 15.6 | 17.3 | 18.8 | 15.6 | 15.4 | 18.7 | 15.3 | 10.4 | 10.8 |
| 35 | 16.5 | 26.5 | 15.5 | 17.0 | 18.0 | 17.3 | 17.8 | 18.5 | 16.8 | 15.9 | 11.9 | |
| 41 | 26.1 | 19.7 | 17.4 | 17.8 | 18.0 | 17.7 | 17.7 | 14.5 | 14.8 | 19.7 | 17.2 | |