Which of these training principles states that there is a need to work the body hard so there is some stress and discomfort'?
O specificity
O progression
O reversibility
O overload

In one paragraph, explain how technology has influenced the perception of body image and weight management in both negative and positive ways. use supporting details in the form of facts, statistics, and examples. in another paragraph, describe an individual healthy weight-management plan. the plan should include specific details about goals, diet, exercise, and evaluative monitoring.