Assess the ability to apply the FITT principle to design a safe, age-appropriate 4-day workout plan that improves cardiovascular fitness for a Grade 6–8 student. Require clear specifications of Frequency, Intensity (RPE or target heart rate), Time, and Type for each day, plus warm-up/cool-down, progression across weeks, recovery strategies, safety considerations and modifications, and a brief rationale connecting choices to adolescent physiology and safety.