| Asymptomatic (N = 10) | LBP (N = 25) | ||
---|---|---|---|---|
 | Seat | Backrest | Seat | Backrest |
TCA (cm 2 ) | 1225.5 ± 43.3 | 429.4 ± 37.0 | 1271.8 ± 36.2 | 434.9 ± 18.5 |
AP (KPa) | 6.49 ± 0.28 | 4.53 ± 0.29 | 6.44 ± 0.17 | 4.48 ± 0.18 |
PP (KPa) | 24.7 ± 0.9 | 22.3 ± 1.4 | 23.3 ± 0.8 | 21.4 ± 1.2 |