Fitness circuits (or stations) are a great way to provide students with a variety of challenging activities that promote the 5 components of health-related fitness: aerobic capacity, muscular strength, muscular endurance, flexibility and body composition. Activities in this unit can be adapted for all fitness levels. Aligned with the NASPE and state content and performance standards, these activities are designed to include and challenge all students’ physical skills, while maintaining enjoyable, health-promoting, moderate-to-vigorous physical activity during class.