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La educación física de hoy en día sitúa al alumno en el centro del proceso educativo, donde los aprendizajes adquiridos son muy significativos y difícilmente igualables. El aprendizaje servicio como metodología supone una oportunidad para potenciar estas vivencias en el ámbito educativo. Esta experiencia se centra en la aplicación de una unidad didáctica desarrollada en la asignatura de educación física con alumnos de bachillerato a través de esta metodología, que finaliza con la construcción de un carril bici en la localidad donde se desarrolla, consiguiendo el apoyo de gran parte del tejido social. Además de un gran trabajo en la competencia social y cívica y de aprender a aprender, se ha producido un aumento considerable del uso de la bicicleta para el desplazamiento hasta el centro escolar, y por lo tanto un aumento de los niveles de actividad física de la población escolar y adolescente. Today's physical education places the student at the centre of the educational process, where the acquired learning is very significant and difficult to match. Service-learning as a methodology is an opportunity to enhance these experiences in the educational field. Through this methodology, this experience focuses on the implementation of a didactic unit carried out in the Physical Education subject with baccalaureate students. The didactic unit ends with the construction of a bike lane in the town where it takes place, getting the support of a large part of the social fabric. In addition to a great work on the social and civic competence and learning to learn, there has been a considerable increase in the use of bicycles to go to school, and therefore an increase in the levels of physical activity of the school and adolescent population.

Objective: A clinical study was conducted on the use of the topical Lactokine-based R1 and R2 system as a prophylactic treatment of acute radiation dermatitis in patients with squamous cell cancer of the head and neck and breast cancer treated with chemoradiotherapy. Methods: Ninety-eight patients were studied who attended the Radiation Oncology Services, La Paz University Hospital, Madrid, for treatment with chemoradiotherapy for head and neck cancer (n = 19) and breast cancer (n = 79). The treatment group (R1 and R2) included 51 patients; 47 control patients were given the local standard topical treatment (5% wt/wt urea lotion). At 3 postradiotherapy follow-up clinics, radiation dermatitis was graded, if present. All patients were administered with “quality-of-life” questionnaires. Results: Treatment with R1 and R2 significantly reduced the grade of radiation dermatitis in patients treated with chemoradiotherapy. At the fourth (last) clinic visit, at 2 weeks following the end of radiation treatment, 66.7% of patients in the treated group (R1 and R2) were free from radiation dermatitis compared with 34% in those given the center's usual skin care (topical urea lotion). There were no reported side effects, and quality of life improved for patients treated with R1 and R2. Conclusion: Topical skin treatment with the R1 and R2 system has been shown to be effective in preventing, reducing the onset, and reducing the degree (grade) of radiation dermatitis in head and neck and breast cancer patients treated with chemoradiation.