To evaluate the effectiveness of this homework on stone clearance rates after retrograde intrarenal surgery (RIRS) by instructing the patient in the home environment and suggesting percussion and movement/position changes to assist in spontaneous stone passage.

Inclusion Criteria:

• Patients with an indication for RIRC

Exclusion Criteria:

• Patients with anatomic abnormalities such as horseshoe kidney, fragments in the calyx diverticulum, infundibular stenosis, pelvi-ureteral junction obstruction or ureteral stenosis.
• Patients with morbid obesity, uncontrolled hypertension, previous cerebrovascular accident, skeletal deformity such as significant coronary artery disease or symptomatic gastro-esophageal reflux disease.
• Patients with lumbar disc herniation who have undergone spinal surgery and are unable to undergo behavioral therapy.