Wryneck (11)
I believe the answer is:
torticollis
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wryneck</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that wryneck can be written as torticollis)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for torticollis that I've seen before include "pain in the neck" , "Something wrong with neck" .)