Complex sentence: At some stage of the evaluation and treatment of the suspected head and/or neck injured-athlete, the helmet and protective equipment will need to be removed and how this may be done with minimum risk remains a question of importance.
Split into simpler sentences: At some stage of the evaluation and treatment of the suspected head and/or neck injured-athlete, the helmet and protective equipment will need to be removed. How this may be done with minimum risk remains a question of importance.