Efficacy of a Tailored Communication Intervention Aimed At Increasing the Number of Daily Steps

Inclusion Criteria: * Participants from the general population, in good health and sedentary * A level of education sufficient to understand the procedures of the study and to use a smartphone * Having a smartphone Exclusion Criteria: * The participant always (or almost always) takes at least 7,000 steps a day * The participant achieves an IPAQ score equal to or greater than 3000 MET-min / week * The participant has symptoms or pathologies that could represent a contraindication to the physical activity proposed by the study. In particular * Cardiovascular diseases for which physical activity is allowed only under medical supervision * Chest pain during daily activities * Drug treatment for cardiovascular diseases * Severe arterial hypertension not pharmacologically controlled * Episodes of loss of consciousness within the past 12 months * Osteoarticular disorders that could be aggravated by a change in the level of physical activity * Fractures of the lower limbs, vertebrae, or pelvis in the past six months * Walking difficulty * Respiratory insufficiency