Task: Answer Verification
Input (English): Question: Is leg extension power a pre-disaster modifiable risk factor for post-traumatic stress disorder among survivors of the Great East Japan Earthquake : a retrospective cohort study?
Answer: Leg extension power is a potentially modifiable pre-disaster risk factor among men for attenuating the severity of PTSD symptoms associated with great disasters such as the Great East Japan Earthquake among men.
Output (English): yes