Inclusion Criteria:

- Have a primary diagnosis of breast cancer,

- Have a functional capacity rating of 60 or greater on the Karnofsky Performance
Scale, when assessed by the oncologist (or physician's designee)

- Be breast cancer survivor(e.g., surgery, radiation therapy, chemotherapy, hormone
therapy). Have a life expectancy of >1 year as determined by the patient's
oncologist.

- Have the approval of their treating physician, study physician(or physician's
designee) to participate in sub-maximal physiological fitness testing and a low to
moderate home-based walking and progressive resistance exercise program.

- Be able to read English.

- Be 21 years of age or older.

- Give informed consent.

Exclusion Criteria:

- Have bone metastases that preclude participation in an exercise program either due to
symptoms such as pain or location of bone metastasis.

- Have physical limitations (i.e. cardiorespiratory, orthopedic, central nervous
system) that contraindicate participation in sub-maximal physiological fitness
testing, or a low to moderate home-based walking and progressive resistance program,
as assessed by the PAR-Q and radiation oncologist (or physician's designee)

- Be identified as in the Active or Maintenance Stage of exercise behavior as assessed
by the 1-item Exercise Stages of Change Short Form.