The correct answer for the given question above would be option C. The sentence that best describes a strategy for increasing a specific joint's range of motion is to apply the principles of overload and progression to exercise the joint. The principles of overload and progression are two basic training principles wherein overload refers to the amount of resistance or load provided on the body in order to increase fitness; and progression is the increasing of the load. In improving one's flexibility, improving of strength should be done as well.