6. Position of arm in above‐elbow cast (forearm supinated versus pronated versus neutral): participant and intervention characteristics.

Study ID	No. participants Age	Fracture type	Forearm supinated	Forearm pronated	Forearm in neutral	Duration of use
Boyer 2002	109 Mean: 7.8 years	Displaced or angulated fractures, either radius only or both radius and ulna	Closed reduction Forearm supinated in above‐elbow cast (plaster below elbow and fibreglass above elbow)	Closed reduction Forearm pronated in above‐elbow cast (plaster below elbow and fibreglass above elbow)	Closed reduction Forearm neutral in above‐elbow cast (plaster below elbow and fibreglass above elbow)	Not stated but probably removed at fracture union (6 to 8 weeks)
Gupta 1990	60 Mean: 8.3 years	Dorsally angulated solitary metaphyseal greenstick fracture. Closed reduction in 25	Closed reduction if ≥ 20 º dorsal angulation. Forearm supinated in above‐elbow plaster cast	Closed reduction if ≥ 20º dorsal angulation. Forearm pronated in above‐elbow plaster cast	Closed reduction if ≥ 20º dorsal angulation. Forearm neutral in above‐elbow plaster cast	Cast removed at 6 weeks