Movement and Behaviours Measurement Study

Condition(s) studied

Investigational drug(s) / intervention(s)

Older Adults Group.: Physical activity and energy expenditure quantification

Low Physical Function Status Group: Physical activity and energy expenditure quantification

Medium Physical Function Status Group: Physical activity and energy expenditure quantification

High Physical Function Status Group: Physical activity and energy expenditure quantification

Study summary

There are few studies that already have validated specific raw accelerometer cut-points for people over 65 years old.

The purpose of the present study is to validate raw accelerometer cut points for general people over 65 years old and specific raw accelerometer cut points based on the functional status of older adults over 65 years old.

The study will be carried out with an observational approach. Participants will be divided into 4 groups. First of them will be made grouping all subjects and the rest divided according to their functional status. They will perform different-intensity physical activities while wearing accelerometers attached to their body and wearing a portable gas analyser too. Their intensity will be assessed based on their own Rest Metabolic Rate (RMR). Energy expenditure and accelerations will be matched and, based on that, sedentary behaviour, light physical activity and moderate-to-vigorous physical activity cut-points will be derived.

Eligibility

Primary outcome measure(s)

• Rest Metabolic Rate — Through study completion, an average of 1 year
  (ml/kg-1/min-1)
• Energy expenditure during physical activity performance — Through study completion, an average of 1 year
  (ml/kg-1/min-1)
• Accelerometry — Through study completion, an average of 1 year
  Gravitational Units
• Physical function — Through study completion, an average of 1 year
  Short Physical Performance Battery
• Frailty Status — Through study completion, an average of 1 year
  Fried Frailty Index (0 criteria: Robust; 1-2 criteria: Pre-frail; \>2 criteria: Frail) and Frailty Trait Scale (from 0 (best score) to 100 (worst score))
• Physical Activity and Sedentary Behaviour Patterns. — Through study completion, an average of 1 year
  Accelerometers

Trial sites (1)

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