[1] Fuster is tied with Lorea Elso, Marta Baldó and Estela Giménez for the Spanish rhythmic gymnast with the most medals in World Championships, with a total of 8.
[2] Born in a family with 5 children, she took up rhythmic gymnastics at the Club Gimnàstic de Tarragona, after trying other sports like athletics and tennis.
Shortly after, she and the other members of the group (Beatriz Barral, Lorea Elso, Arancha Marty, Mari Carmen Moreno and Vanesa Muñiz, with Marta Aberturas and Nuria Arias as the substitutes) won three bronze medals at the World Championships in Sarajevo.
[5][6] At the World Cup Final, held that year in Brussels, the group (made up of Fuster, Beatriz Barral, Lorea Elso, Montserrat Martín, Arancha Marty and Vanesa Muñiz, with Marta Aberturas and Gemma Royo as the substitutes) won all three bronze medals.
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.
[10] Before the World Championships, they won gold at the Karlsruhe tournament (ahead of the USSR and Bulgaria) and three bronzes at the Gymnastic Masters in Stuttgart.
[11] On 12 October 1991, the Spanish team (consisting of Fuster, Débora Alonso, Isabel Gómez Pérez, Lorea Elso, Montserrat Martín and Gemma Royo, with Marta Aberturas and Cristina Chapuli as the substitutes) won gold in the all-around at the World Championships in Athens.
[27] After having participated in writing the technical proposal for the candidacy, he was responsible for Sports and Volunteers of the Organizing Committee of the Tarragona 2018 Mediterranean Games, as well as its Educational Project.
[30] After Boneva's death on 20 September 2019, Lorea and other former national gymnasts gathered to pay tribute to her during the Euskalgym held on 16 November 2019.
[31] As of early 2024 she's a member of the Board of Directors of the Club Gimnàstic de Tarragona and coordinator of the organization's Grana Volunteering program.