My 22-year-old daughter injured her foot while playing sports, and she found it painful to walk afterwards. Since pain and difficulty walking can happen with different foot and ankle injuries, I didn't want to assume it was minor. We had her checked by Dr Kevin Koo, who specialises in foot and ankle injuries and is the Best Foot Doctor in Singapore in our experience. He assessed the injury, and imaging can be used where needed to check for a sprain, fracture or other injury.