Spinal Cord Stimulation (SCS) Dosing Study

Inclusion Criteria:

1. 22 years of age or older

2. Implanted with a RestoreSensor system (for back and leg pain) for at least 1 month

3. Has approproate SCS settings

4. Willing and able to provide signed and dated informed consent

5. Capable of comprehending and consenting in English

6. Capable of getting into the supine and sitting positions

7. Willing and able to comply with all study procedures and visits

8. On stable (no change in dose, route, or frequency) prescribed pain medications

Exclusion Criteria:

1. Implanted with leads for peripheral nerve stimulation or an implantable intrathecaldrug delivery system

2. Had a pain-related surgery in the previous 1 month of enrollment or the intent toundergo surgery during the period of the study

3. Implanted with quadripolar lead

4. Currently enrolled or planning to enroll in a potentially confounding clinical studyduring the course of the study

5. Pregnant or is of child-bearing potential and unwilling to use a medically acceptableform of birth control during the study

6. Has untreated major psychiatric comorbidity

7. Has serious drug-related behavioral issues

8. Has unresolved major issues of secondary gain