Abstract Background: American football (FA) is a sport of intermittent character and high intensity, which requires the athlete an adequate physical conditioning, depending mainly on oxidative metabolism. Objective: Evaluate the cardiorespiratory fitness (CRF) of amateur football players. Methods: Cross-sectional study where maximum oxygen consumption (VO2max) was evaluated by field test (YoYo Intermittent Endurance Test) and the level of physical activity with the International Physical Activity Questionnaire (IPAQ). Results: 20 subjects with 29±9 years presented a significant reduction in VO2max (35.9±5.1 […]
