1) Contorted 2) Crooked 3) Showed great discomfort 4) Squirmed in pain 5) Squirmedical twisted 6) Twisted 7) Twisted in pain 8) Was obviously in pain 9) Writhen Found on https://www.crosswordclues.com/clue/writhed
writhenadjective twisted (especially as in pain or struggle); `his mad contorted smile`; `writhed lips`; `my writhen features`- Walter scott Found on https://www.encyclo.co.uk/local/20974