Are You a Fitness Guru? Prove Your Strength! What is the recommended frequency for strength training exercises per week? Once a week Two to three times a week Four to five times a week Every day None Which of the following is a measure of cardiovascular fitness? Body Mass Index (BMI) Resting Heart Rate (RHR) Bicep Curl Max Flexibility Test None Which nutrient is the primary source of energy for the body during exercise? Protein Carbohydrates Fat Vitamins None What is the recommended duration of moderate-intensity aerobic exercise per week? 30 minutes 60 minutes 90 minutes 120 minutes None Which type of exercise focuses on improving flexibility and range of motion? Strength training Cardiovascular exercise High-intensity interval training (HIIT) Stretching and flexibility exercises None Time's up Most Popular Most Popular