The purpose of this study was to review various physical activity measures, both subjective and objective. The activity measures were then evaluated for their ability to aid in research and practice.

Physical activity is important for maintaining health in virtually all therapeutic areas and is often recognised as a sixth functional vital sign. With more than one in five US adults already using ...

Objective The ‘single-item measure’ was developed as a short self-report tool for assessing physical activity. The aim of this study was to test the criterion validity of the single-item measure ...

The holidays are over. The cookies and treats are all eaten. The relatives have left, and the decorations are put away. The only thing not gone is the extra pounds I gained. So I exercise, sweat and ...

Background Injury results in a limitation of activity participation. Treatment of injury is designed to return the patient to as a high level of activity as desired. To design an activity measure that ...

Metabolism comprises the crucial, life-sustaining chemical reactions occurring within cells and tissues. Mitochondria, in particular, are critical hubs for such biochemical transformations. Although ...