Inclusion Criteria:  between the ages of 18 and 45 years of age  cycling for a minimum of 3 times per week for the previous 6-months.  Exclusion Criteria:  an injury in the previous 6-months preventing them from completing their normal training routine presence of pathology including cardiovascular diseases (heart attack, hypertension), neurological conditions (stroke, etc.) or metabolic conditions (diabetes).  Participants will be asked to confirm their health status when they complete the intake survey.