Physical Performance and Physical Activity in Older Adults: Associated but Separate Domains of Physical Function in Old Age.

ABSTRACT:

Background

Physical function is a crucial factor in the prevention and treatment of health conditions in older adults and is usually measured objectively with physical performance tests and/or physical activity monitoring.

Objective

To examine whether 1) physical performance (PP) and physical activity (PA) constitute separate domains of physical function; 2) differentiation of PA classes is more informative than overall PA.

Design

Cross-sectional study to explore the relationships within and among PP and PA measures.

Methods

In 49 older participants (83 ± 7 years; M ± SD), performance-based tests were conducted and PA was measured for one week. Activity monitor data were reduced in terms of duration, periods, and mean duration of periods of lying, sitting, stan

SUBMITTER: van Lummel RC 

PROVIDER: S-EPMC4667847 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature