| Orientation Session | |
| 4 MVCs | |
| 3 MVCs with IT | |
| 5 min rest periods | |
| Randomized Testing Sessions | |
| Testing Session A | Testing Session B |
| 4 MVCs | 4 MVCs |
| 3 MVCs with IT | 3 MVCs with IT |
| 7 contractions randomized | 7 contractions randomized |
| 5 min rest periods between contractions | 5 min rest periods between contractions |
| Subjects informed of impending ITT. | Subjects not informed of impending ITT. |