The principle that states that the body must do more work than it normally does in order to improve fitness is called? *

1) Principle of Progression

2) Overload Principle

3) No Pain, No Gain Principle

4) Principle of Specificity

Which of these elements of fitness should be included as part of any personal health plan? a. weight management, strength, endurance, and nutritionb. weight loss, calorie reduction, endurance, and strengthc. weight management, physical inactivity, and endurance trainingd. weight loss, strength training, endurance, and sleep reduction