Physical Activity Measurement

Weightology Weekly Classics: Underreporting/”Starvation Mode” Edition

A series of Weightology Weekly Classic articles covering the research on misreporting of energy intake and physical activity, and on...

My FitBit versus DirectLife Experiment

My Weightology Weekly subscribers know that I've written a lot about NEAT and the use of accelerometers to help track...

Weightology Weekly: Testing the Phillips DirectLife Accelerometer

In this issue: Testing the Phillips DirectLife Accelerometer.  The DirectLife accelerometer is a small and unobtrusive device for tracking physical...

Weightology Weekly: Pedometer Accuracy

Due to a number of responsibilities this past week, I only had time to write one article for this week's...