Fragility and Adapted Physical Activity

  • STATUS
    Recruiting
  • days left to enroll
    15
  • participants needed
    970
  • sponsor
    Centre Hospitalier Universitaire de Nice
Updated on 23 January 2021

Summary

Older people are a very heterogeneous population characterized by a high interindividual variability. Functional abilities (walking, transfers ...) used to classify individuals aged (Lalive d'pinay 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). Now, it's necessary to 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. Through this study, it is to identify risk and protective factors of frailty and their relationships with physical activity, evaluate them and propose an appropriate care to the patient. This study should enable the production of new scientific knowledge to improve the health and quality of life of older people.

Description

Older people are a very heterogeneous population characterized by a high interindividual variability. Functional abilities (walking, transfers ...) used to classify individuals aged (Lalive d'pinay 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.

The proposed study is to items (a) to characterize the functional dimensions of frailty from objective indicators and (b) putting them in relation to the cognitive and psychosocial characteristics of the elderly in order to define individual devices of care through physical activity.

To meet these objectives, it is necessary to include a large number of people in a comprehensive evaluation protocol physical, and their psycho-social and cognitive characteristics.

The research will begin with an inclusive visit by a medical doctor. Evaluation begins with a impedancemetric measurement, followed by posturographic evaluation. Then, in a first phase, patients will perform walk tests (e.g., 6 minutes, 10 m) during which spatiotemporal parameters of gait cycle, and the electromyographic activity of the different muscles of the lower limbs will be quantified. After the walk test, each subject will receive an evaluation of the strength of the ankle and knee muscles by an isokinetic dynamometer. During these contractions, the surface electromyographic activity of patients will also be recorded. In a second phase, subjects will perform a series of repetitions at 50% of maximum voluntary contraction (MVC) on the isokinetic dynamometer, to measure strength endurance. Thirdly, participants will be asked to complete cognitive tests and psychometric questionnaires. Finally, a personalized care will be offered in terms of adapted physical activity. The evaluation protocol will be performed again to measure the impact of physical activity three months after the first assessment.

Through this assessment, it is to identify risk and protective factors of frailty and their relationships with physical activity, evaluate them and propose an appropriate care to the patient. This study should enable the production of new scientific knowledge to improve the health and quality of life of older people.

Details
Condition Fragility
Treatment adapted physical activity
Clinical Study IdentifierNCT02690402
SponsorCentre Hospitalier Universitaire de Nice
Last Modified on23 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Patient who signed the informed consent
Older men and women 65 years
Can walk without technical help

Exclusion Criteria

Patient with protective measures (guardianship, curatorship, and deprivation of liberty)
Patient with a neurological problem
No affiliation to a social security scheme (beneficiary or assignee)
Knee and / or hip prosthesis
Orthopedic complications with repercussions on walking activities
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