A method of treating a muscle tissue which is effected by providing the muscle tissue with an effective amount of a sterile polymer solution being essentially devoid of free multivalent cations and being capable of self-gelling following deposition in or around the muscle tissue.Linvention concerne une méthode de traitement dun tissu musculaire consistant à appliquer sur le tissu musculaire une quantité efficace dune solution polymérique stérile ne contenant sensiblement pas de cations libres polyvalents et pouvant se gélifier suite à son application dans ou autour du tissu musculaire.