When setting a target for weight loss, an appropriate goal would be: ?

To have a realistic goal, don't try to achieve the impossible. Also try to do it in a timely manner so that it doesn't take your whole life. Finally, have your goal be one in which you will be willing to do hard work for. These could contribute to an appropriate weight losing goal.

Telling them to either contract or relax

Difference between normal and abnormal tissue is much clearer on mri than on ct and mri much suitable to view soft tissues