TABLE 4. Comparison between the anterior and posterior height (in cm) of the lumbar intervertebral discs pre- and posthyperextension.
| Subjects | L1/L2
|
L2/L3
|
L3/L4
|
L4/L5
|
||||
|---|---|---|---|---|---|---|---|---|
| Ant | Post | Ant | Post | Ant | Post | Ant | Post | |
| 1 - Pre | 1.0 | 0.7 | 1.1 | 0.9 | 1.4 | 1.0 | 1.6 | .07 |
| 1 - Post | 1.1 | 0.7 | 1.2 | 0.9 | 1.6 | 0.9 | 1.7 | 0.6 |
| 2 - Pre | 0.8 | 0.7 | 0.9 | 0.6 | 1.2 | 0.9 | 1.2 | 0.8 |
| 2 - Post | 0.9 | 0.6 | 1.1 | 0.6 | 1.2 | 0.8 | 1.3 | 0.8 |
| 3 - Pre | 1.2 | 0.8 | 1.2 | 0.9 | 1.3 | 0.9 | 1.5 | 1.0 |
| 3 - Post | 1.3 | 0.7 | 1.3 | 0.8 | 1.5 | 0.9 | 1.7 | 0.9 |
| 4 - Pre | 0.8 | 0.6 | 1.0 | 0.7 | 1.1 | 0.8 | 1.5 | 0.8 |
| 4 - Post | 0.9 | 0.6 | 1.1 | 0.7 | 1.3 | 0.7 | 1.6 | 0.8 |
| 5 - Pre | 1.1 | 0.7 | 1.1 | 0.7 | 1.3 | 0.9 | 1.5 | 0.9 |
| 5 - Post | 1.2 | 0.6 | 1.3 | 0.7 | 1.4 | 0.8 | 1.6 | 0.8 |
| 6 - Pre | 0.9 | 0.6 | 1.0 | 0.8 | 1.2 | 0.9 | 1.5 | 0.8 |
| 6 - Post | 1.2 | 0.5 | 1.3 | 0.7 | 1.4 | 0.7 | 1.6 | 0.8 |
| 7 - Pre | 0.8 | 0.6 | 1.0 | 0.8 | 1.2 | 0.8 | 1.3 | 0.7 |
| 7 - Post | 0.9 | 0.5 | 1.1 | 0.7 | 1.2 | 0.8 | 1.5 | 0.6 |
| 8 - Pre | 0.6 | 0.6 | 0.8 | 0.7 | 1.1 | 0.7 | 1.2 | 1.0 |
| 8 - Post | 0.7 | 0.7 | 1.0 | 0.7 | 1.1 | 0.7 | 1.2 | 0.9 |
| 9 - Pre | 0.7 | 0.5 | 1.0 | 0.7 | 1.2 | 0.8 | 1.5 | 0.9 |
| 9 - Post | 1.0 | 0.4 | 1.1 | 0.7 | 1.3 | 0.7 | 1.6 | 0.9 |
| 10 - Pre | 1.0 | 0.7 | 1.1 | 0.8 | 1.3 | 0.8 | 1.1 | 0.9 |
| 10 - Post | 1.3 | 0.7 | 1.3 | 0.7 | 1.5 | 0.8 | 1.3 | 0.9 |