sentences:  At Ninette de Valois' request, she then joined the main company at Covent Garden.There, she also danced all the classics.Following a serious injury to the ankle, inoperable at the time, Cartier left England for France in 1957, and worked for 20 years as a mime with the celebrated troupes of Jacques Lecoq and Marcel Marceau, and as choreographer and movement specialist to theatre companies.