Inclusion Criteria:  Sex: Both Males and Females Age: 40-65 years old Physical Fitness: Below average scores on the Self report fitness questionnaire Physical Activity: Low as measured by the International Physical Activity Questionnaire  Exclusion Criteria:  Prior (within the last 5 years) or current history of cardiovascular disease, stroke, unexplained weight loss, clinical depression, congestive heart failure, cancer, arrythmia, respiratory disease, or other serious medical conditions that would make exercise unsafe or prevent full participation in the exercise protocol. Any self-reported significant increase or decrease in activity levels within the past thirty days. Current use of the following medications: antibiotics, glucocorticoids, anticoagulants, narcotics, antiepileptic medications, antipsychotics, antidepressants, and hypoglycemic agents. Current self-reported pregnancy