BMJ

What physical activity surveillance needs: validity of a single-item questionnaire

Background Self-report instruments to assess physical activity are still the most feasible option in many population-wide surveys, and often need to be very short owing to resource constraints. The ...
News Medical

UMass Amherst public health researcher updates and validates the 'Pregnancy Physical Activity Questionnaire'

A University of Massachusetts Amherst public health researcher has updated and validated the widely used Pregnancy Physical Activity Questionnaire (PPAQ) to improve the measurement performance of this ...
BMJ

Accelerometer-based measures in physical activity surveillance: current practices and issues

Objective Self-reports of physical activity (PA) have been the mainstay of measurement in most non-communicable disease (NCD) surveillance systems. To these, other measures are added to summate to a ...
Fitgurú on MSN

Boost your brain: Why midlife exercise could be key to preventing dementia

New research shows that increasing physical activity between ages 45 and 65 may reduce dementia risk and strengthen ...
The Conversation

Research Check: do we really need to do five times as much exercise as we’ve been told?

Brigid Lynch receives funding from the National Breast Cancer Foundation and the World Cancer Research Fund (International). Paul Gardiner receives funding from the NHMRC and the ARC. He is affiliated ...