52 asthmatic will be enrolled and randomized into 2 groups. All patients will send a weekly summary of their physical activity (mean number of steps and time of physical activity). All patients will be undergone to a medical visit at month 1 and 3 since study start. In each visit a spirometry, a FeNo, ACQ and AQLQ questionnaires will be done.
The patients of the intervention group will receive 3 workshops about asthma and physical exercise in order to provide information, medical support, and to resolve any question or difficulty about it. The workshops will be al week 1, 2 and 4 since study start.
