If someone who is overweight should not be selected to run in the exercise. It is wise to choose walking as exercise because it will cause muscle injury.
If people with high body weight should not be selected to run in the exercise, but should choose walking as exercise because it will cause muscle injury.
If they are not overweight, it should be selected to run in the exercise, but it should be a choice of walking out of your workout because it will make your muscles hurt.