The positive association between the total duration of physical activity and performances of
physical function may vary at different times of the day as circadian rhythm regulates …

Background To improve physical function, physical activity (PA) guidelines for older adults
recommend completing PA in bouts of 10 min or more. Spontaneous PA (< 10 min) can also …

Physical activity plays an important role for achieving healthy aging by promoting
independence and increasing the quality of life. However, current guidelines for physical …

Objective: To compare the effects of behavioral interventions targeting decreased sedentary
behavior versus increased moderate-to-vigorous intensity physical activity (MVPA) in older …

Background Exercise training is crucial for maintaining physical and mental health in aging
populations. However, as people participate in structured exercise training, they tend to …

Background Research supports that moderate-to-vigorous intensity physical activity (MVPA)
is key to prolonged health and function. Among older adults, substantial changes to MVPA …

Background Older adults may have difficulty meeting the Physical Activity (PA) Guidelines. A
favorable balance between PA and sedentary time (SED) is an important determinant of …

Background Ageing is associated with a declining physical activity level (PAL) and changes
in the diurnal activity pattern. Changes in the activity pattern might help explaining the age …

Physical activity is key for successful ageing, but questions remain regarding the optimal
physical activity pattern. We examined the cross-sectional association between physical …

Objective Regarding the circadian rhythm regulating an individual's response to external
stimulation, it remains unclear whether older adults engaged in physical activity at different …