The Army Physical Fitness Test (APFT) has two events: the Body Composition Assessment (BCA) and the Physical Fitness Test (PFT). The APFT is a three-event physical performance test used to assess endurance. It is a simple way to measure your physical strengths, abilities, and cardio-respi...
Actigraphy was originally developed in the 1920s to objectively measure and quantify sleep based on body movements. The first such study was performed in 1922 by Szymansky, who constructed a device that was sensitive to the gross body movements of subjects as they lay in bed. Szymansky J S,...
was kept from performing in some concert arenas because promoters could not insure the events against the threat of mayhem from the fans. At the same time, however, he was suspected by many in his core ghetto audience of not being cold-blooded enough to measure up to his status as the ar...