Low-moderate Intensity Pedaling During Immunotherapy Administration

Inclusion Criteria:

Minimum age of 18
Renal Cell Carcinoma, cutaneous malignancies (Melanoma, Merkel Cell Carcinoma or Squamous Cell CA) or bladder cancer.
Planned intravenous immunotherapy treatment (Pembrolizumab, Nivolumab, or combinations as clinically indicated by standards of care).
ECOG Performance Status of Grade 0-2
No uncontrolled cardiac disease

Exclusion Criteria:

ECOG Performance Status of Grade 3-5
Severe cardiac history or comorbidities (i.e. heart failure, clinically significant aortic stenosis, history of cardiac arrest, have a cardiac defibrillator, uncontrolled angina, uncontrolled arrhythmias, major heart surgery, stroke, or pulmonary embolus).
Chest pain or severe shortness of breath at rest or with physical activity.
Orthopedic impediments to exercise (i.e. joint immobility or lower extremity lymphedema).
Limitations to sustained exercise (i.e. bone metastases in the femur neck).
Severe arthritis (i.e. osteoarthritis or rheumatoid arthritis).
Patients will be excluded from study if their immunotherapy treatment requires the use of sedating antihistamines prior to treatment.