ParcourSenior is a project lead by School of Mines from Saint-Etienne, Gérontopôle AURA and "Senior Autonomie" to promote walking in a city environment. To enable that, we have two tools at your disposable. The first one is sensor which can measure physicals abilities. The second one is an application which proposes individual itineraries based on physical abilities. This application concern people whom want to walk alone, with supportive people or with new people encounter in this app. Both tools are in the process of being created. The current study focuses on needs, expectations and desire of the elders and professionals about both of these tools. After, we plan to focus on the acceptability of these devices. A qualitative study with focus groups is carried out to evaluate the needs and expectation follows by individual interviews to evaluate the project: acceptability, fears and use's perception.

This research tend to study the acceptability of an application and captors which can propose a Walking itinerary of older 65 people.

Inclusion Criteria:

• For first group : people aged 65 and over
• For natural caregivers : people who help in daily life a close relative
• For Professional : people who work with older person

Exclusion Criteria:

• Person with a neurological disease
• Person under guardianship or curatorship

• person 65 years of age and older
• natural caregivers
• profesionnal who work with person 65 years of age and older