| Group | Application Time Supraumbilical | Application Time Infraumbilical | Total Application Time |
| Capacitive | 10 minutes | 10 minutes | 20 minutes |
| Resistive | 10 minutes | 10 minutes | 20 minutes |
| Capacitive and Resistive | 10 minutes with the capacitive tip | 10 minutes with the capacitive tip | 40 minutes |
|
| 10 minutes with the resistive tip | 10 minutes with the resistive tip |
|