Final answer:
The inapplicable question for an athletic trainer to investigate during a progress evaluation is: How many hours of sleep does the athlete get each night?
Step-by-step explanation:
The inapplicable question for an athletic trainer to investigate when completing a progress evaluation is: How many hours of sleep does the athlete get each night?
This question is not directly related to the athlete's progress or rehabilitation and falls outside the scope of the athletic trainer's responsibilities. Ideally, an athletic trainer focuses on assessing the athlete's pain level, adherence to the rehabilitation program, and any changes in the athlete's range of motion.