Recent advances in accelerometer technology have resulted in their use in large-scale research such as NHANES and UK Biobank. The devices used now are inexpensive and analysed using freely available analytics. Prior to this, accelerometers were more expensive and used proprietary software. Consequently, consensus opinions were near absent from the literature. However, users are now guided to use raw accelerometer data, collect sociodemographic and anthropometric information, and to fully describe data collection protocols in the study.