Pass/fail rates for the transverse abdominals and the obliques using the pressure biofeedback
| Transverse abdominals | Obliques | |
|---|---|---|
| Pass before surgery | 87.5% | 13% |
| Fail before surgery | 12.5% | 87% |
| Pass after surgery | 100% | 96% |
| Fail after surgery | 0% | 4% |
| Control pass | 100% | 80% |
| Control fail | 0% | 20% |