Inclusion Criteria:  All patients over the age of 18 presenting for their scheduled routine colonoscopy at either the Health Sciences Center or St. Clare's Mercy Hospital in St. John's, NL, can participate in the study.  Exclusion Criteria:  Previous bowel resection, refusal to participate, inability to provide informed consent, known bowel obstruction, emergency colonoscopy. It will be noted if patients have had a previous hysterectomy, patient's age, BMI, gender, and quality of bowel preparation as these factors have been known to prolong cecal intubation.