In 1989 she was called up by the Spanish national team to join the junior group, trained by Rosa Menor, Paqui Maneus, Cathy Xaudaró and Berta Veiga.

The starting team that year was Beatriz Barral, Lorea Elso, Teresa Fuster, Montserrat Martín, Arancha Marty and Vanesa Muñiz, with Marta Aberturas and Gemma Royo being substitutes.

Their ribbon exercise used "Tango Jalousie", composed by Jacob Gade, for the music, while their mixed-apparatus one used the song "Campanas" by Víctor Bombi.

[7] Before the World Championships, they won gold at the Karlsruhe tournament (ahead of the Soviet Union and Bulgaria) and three bronzes at the Gymnastic Masters in Stuttgart.

[8] On 12 October 1991, the Spanish team (consisting of Montserrat Martín, Débora Alonso, Isabel Gómez Pérez, Lorea Elso, Teresa Fuster and Gemma Royo, with Cristina and Marta Aberturas as the substitutes) won gold in the all-around at the World Championships in Athens.