Evaluating a Physical Activity Index for Assessment and Counseling for Breast and Colon Cancer Survivors

The purpose of this research study is to determine whether using the physical activity index screener, exercise coaching, and self-monitoring will increase physical activity and reduce time spent sitting or being inactive in patients who had breast or colon cancer.

Inclusion Criteria: * Survivors of breast or colon cancer (stages 0-III) diagnosed within the last three years prior to enrollment. * Completed primary treatment (surgery, chemotherapy, and/or radiation) at least 3 months prior to enrollment. * At least 50 years of age or older. * Access to internet or cellular plan for video calls. * Being willing and able to comply with the approved protocol and able to sign an IRB-approved informed consent document directly, remotely or via electronic consent. * Able to read and speak English Exclusion Criteria: * Participants with metastatic disease. * Participants with recurrence or diagnosis of a different cancer. * Participants receiving treatment other than maintenance therapy for their primary cancer (breast or colon). * Participants has prior conditions that contraindicate exercise as determined by treating physician. * Participants has gross cognitive impairment as determined by treating physician.