. Your client has low back pain while holding a plank for 10 seconds, but can hold it for 5 seconds without pain. What should you do for the next set?

  1. PERFORM ANOTHER SET OF THE PLANK FOR 5 SECONDS
  2. INSTRUCT THE CLIENT TO HOLD THE PLANK UNTIL HE FEELS PAIN
  3. PERFORM ANOTHER SET OF THE PLANK WITH THE GOAL OF 10 SECONDS WITHOUT PAIN
  4. MOVE ON TO A DIFFERENT EXERCISE