Exercise Preconditioning with Cancer Surgeries

Who can take part

• Adult (≥ 18 years of age) patients undergoing elective abdominal oncologic resection of a confirmed or potential colorectal, hepatobiliary, or gynecologic neoplasm
• Study participants must be able to provide written informed consent and authorization
• Study participants must be able to understand written and verbal English, as well as to be able to communicate in English
• Study participants must have an Apple iphone to use during the study period

Who cannot take part

• Patients that indicate they did at least 3 days of vigorous intensity activity in the previous 7 days OR any combination of walking, moderate-intensity or vigorous-intensity in all of the last 7 days totaling at least 18 and a half hours
• Individuals with end stage renal disease currently on dialysis
• Surgery scheduled < 3 weeks of study registration (precluding time to participate in exercise regimen)
• Recent history of cardiac disease (within 3 months of registration) that would preclude vigorous exercise
• Individuals with uncontrolled hypertension
• Any patient that needs further cardiac evaluation per ACC/AHA perioperative criteria
• Any patient who currently uses a fitness tracker or heart rate monitoring-capable device to guide exercise
• Individuals with a history of liver failure as evidenced by AST, ALT or Alkaline Phosphatase ≥ 3x upper limit of normal
• Any patient unable and/or unwilling to cooperate with all study protocols
• Patients who require an assist device (walker) for ambulation
• Women who are breastfeeding or pregnant
• American Society of Anesthesiologists Physical Status score ≥ 4
• Patient indicates a lack of familiarity or discomfort with using a smartphone
• If participation is not in the best interest of the patient, in the opinion of the treating investigator