The percentage of MVPA in PE lesson time ranged between 11.4–88.5% (13 studies).
A meta-analysis of 7 studies found that children spent 44.8% of lesson time in MVPA.
Children spent 32.6% of PE lesson time in MVPA when measured with accelerometers.
Children spent 57.6% of PE lesson time in MVPA when measured through observation.
The proportion of MVPA in PE does not meet the US CDC or UK afPE recommendation.