Esophageal Cancer Multimodal Prehabilitation Study

Inclusion Criteria: * 65 years of age and over * Adult male or non-pregnant female volunteers * Completed neoadjuvant chemotherapy or radiotherapy for esophageal cancer * At least four weeks to esophageal cancer surgery * Without skin conditions that preclude wearing sensors * Able to speak English and consent Exclusion Criteria: * Participants in any other interventional study that may bias results or limit study adherence during our study * Dietary restrictions that prevent consumption of nutritional supplements * Women who are pregnant, nursing, or at risk of becoming pregnant * Profound physical disability (for example, quadriplegia) that precludes participation in any aerobic or strength training.