The Ability to Perform Functional Activities or Perform a Certain

The ability to perform functional activities or perform a certain range of motion can also provide information regarding a patient's current level of pain. Which of the following tasks or questions would be appropriate to ask a patient if the goal was the collection of objective data regarding pain perception?

A) What is the number that best represents your pain right now?
B) Place a mark on this line to indicate your pain right now.
C) Raise your arms above your head, but let me know if it is difficult.
D) Point to where you are having discomfort today.