Registration is now open for the online Workshop for Accelerometry Measurement in Africa (WAMAA), which will take place over three days from  Tuesday 5 to Thursday 7 October 2021. Physical inactivity is the fourth leading risk factor for mortality and one of the four main risk factors for non-communicable diseases  (NCDs); with 80% of deaths from NCDs in low- and middle-income countries (LMICs). Evidence to design better physical activity interventions in LMICs across the life course is urgently needed, and this requires accurate ways…