Table 6 Mean (± SEM) passive (prone) vertebral compliance (Newtons) across the entire spinal column (C1 to L5) and each segment prior to (PRE SAHC) and following (POST SAHC) the performance of trunk muscle exercise during 1 g at the CoM via short-arm centrifugation
Spine level | Active PRE UPRIGHT | Active POST UPRIGHT | Hedge’s g | Paired T-Test UPRIGHT | Active PRE SAHC | Active POST SAHC (SPIN 2) | Hedge’s g | Paired T-Test SAHC |
|---|---|---|---|---|---|---|---|---|
Entire column | 91.0 ± 1.6 | 89.5 ± 1.7 | 0.27 | p = 0.091 | 92.0 ± 1.6 | 89.6 ± 1.5 | 0.50 | p = 0.150 |
Cervical | 87.5 ± 1.9 | 84.8 ± 1.6 | 0.49 | p = 0.068 | 87.2 ± 1.4 | 84.9 ± 1.9 | 0.45 | p = 0.145 |
Thoracic | 93.5 ± 1.7 | 91.1 ± 1.9 | 0.44 | *p = 0.035 | 95.4 ± 1.7 | 91.4 ± 1.7 | 0.79 | *p = 0.043 |
Lumbar | 90.0 ± 1.8 | 90.3 ± 2.5 | 0.04 | p = 0.758 | 91.3 ± 2.9 | 89.1 ± 2.0 | 0.30 | p = 0.511 |
Upper lumbar | 91.7 ± 2.0 | 93.0 ± 2.6 | 0.18 | p = 0.297 | 95.2 ± 2.4 | 93.3 ± 1.9 | 0.28 | p = 0.537 |
Lower lumbar | 87.34 ± 1.7 | 88.1 ± 2.1 | 0.13 | p = 0.549 | 87.8 ± 2.2 | 86.4 ± 2.3 | 0.21 | p = 0.549 |