Older people are a very heterogeneous population characterized by a high interindividual variability. Functional abilities (walking, transfers ...) used to classify individuals aged (Lalive d'épinay et al., 1999) in three categories: independent, frail and dependent (HAS, 2005). Frailty is generally considered as a state that precedes dependent status and, unlike the latter, is still reversible (Fried et al., 2001). These authors proposed criteria: physical inactivity (low levels of physical activity), unintentional weight loss (more than 5% of body weight over 6 months), perceived general fatigue, weakness of grip strength (handgrip) and slow speed walk. Nevertheless, at present, other more objective evaluation methods that include mobility, balance, muscle strength, endurance and cognition are necessary. Furthermore, psychological characteristics have not been studied with frailty indicators, except to walk speed. Now, these last are important levers of people adherence to physical activity programs (Baert et al., 2011). In this sense, better understand and quantify the indicators above the dependence of the elderly from a multidisciplinary approach to frailty, is a critical public health issue for developing non-drug therapeutic interventions adapted to delay the institutionalization.