retorciesen
Imperfecto de subjuntivo para el sujeto ellos/ellas/ustedes del verbo retorcer.

retorcer

Era como si su cuerpo y la melena temblasen y se retorciesen porque algo salvaje y tumultuoso trataba de carcomerle desde las profundidades de su ser.
It was as if his body and mane were shaking, quivering, writhing—as if something untamed and tumultuous sought to erupt forth from the depths of his being.
Palabra del día
la rebaja