Supervised Exercise in Improving Physical Fitness Before Surgery in Patients With Resectable Bone Cancer

Inclusion Criteria: * Patients must have a new diagnosis of primary bone tumor, and whose treatment plan includes surgery * Patients who are expected to receive at least 4 weeks of neoadjuvant chemotherapy treatment between enrollment in the study and planned surgery * Participants willing to wear a Fitbit Exclusion Criteria: * Patients who are not receiving their primary cancer care (surgery and chemotherapy) at MD Anderson Cancer Center (participants from the supervised exercise group only) * Patients who have a cognitive disorder which impacts the ability to follow directions or adhere to safety rules; this will be determined by the physical therapist by assessing whether a neurological disorder or musculoskeletal disorder would prevent the patient from safely exercising * Patients who have a neurological or structural disorder which would impact use of exercise equipment; this will be determined by the physical therapist by assessing whether a neurological disorder or musculoskeletal disorder would prevent the patient from safely exercising * Any patient who, in the opinion of the investigators, will be unable to comply with a supervised exercise regimen * Any concurrent co-morbid illness and/or infection which in the opinion of the investigators could make the patient unable to comply fully with the trial procedures