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4Option 2: Immobilization with a forearm cast and finger splint

A standard forearm cast including the wrist joint in 30 degrees of extension is applied.

A standard forearm cast is applied, including the wrist joint in 30 degrees of extension, and the aluminium splint is incorporated in the cast. This aluminium splint must be pre-bent to 90 degrees proximal to the level of the MCP joint of the injured finger. The finger is taped to this splint in an intrinsic plus position. Correct rotational alignment must be checked. The other fingers are not immobilized.

The cast must only be applied once the initial swelling has abated, usually a few days after the injury.