Development of a new tool: progression of paediatric powered mobility- 3PM.

The 3PM, created through international collaboration with experts in PM, has excellent psychometric values as a valid measure that can be used reliably to assess children's powered mobility skills.Implications for rehabilitationThe 3PM reflects the three stages of powered mobility development: exploratory, operational, and functional stages.Input from clinical experts in PM mobility contributed to the identification of the key driving skills important to include in the 3PM.A reliable and valid tool can facilitate assessment and tailored intervention in paediatric powered mobility.