Abstract
There are a variety of treatment options for dorsal fracture-dislocations of the proximal interphalangeal (PIP) joint. Extension block splinting is a form of nonoperative management that focuses on maintaining an acceptable reduction of the PIP joint while allowing for adequate, safe motion. By maintaining a reduced joint, the extension block orthosis allows the ligamentous structures surrounding the PIP joint to heal in their anatomic locations. The risk of developing a flexion contracture, which is high with any PIP joint injury, is minimized with the use of an extension block orthosis because of its ability to allow early active motion of the PIP joint while controlling PIPJ flexion. This chapter describes a clinical case utilizing extension block splinting for a dorsal fracture-dislocation of the PIP joint.
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