![]() hence, ulnar deviation AP is necessary for visualization of scaphoid in radial deviation, proximal carpal row volar flexes & scaphoid appears foreshortened as wrist rotates from neutral to ulnar deviation, proxomal row dorsiflexes & x-ray profile of the scaphoid appears longer ulnar side of the wrist exerts rotational control and stability scaphoid exerts flexion extension control over lunate and distal carpal row scaphoid (navicular): the most frequently fractured carpal bone (frx occurs in tubercle, waist, or proximal 1/3) scaphoid is principal bony block to dorsiflexion of hand & wrist & is suscepible to frx during fall on outstretched hand scaphoid spans both carpal rows and therefore has less mobility than other carpals scaphoid represents floor of anatomic snuff box frxs across scaphoid may destroy blood supply to its proximal part surface of scaphoid is largely covered by articular cartilage, & only narrow area of its neck, & even smaller distal portion, are Degenerative changes at the scaphotrapezial joint following Herbert screw insertion: a radiographic study comparing patients with scaphoid fracture and primary hand arthritis. nonunion of scaphoid ( 3.5 mm cannulated screw fixation) surgical treatment of displaced fracture ( herbert screw fixation of scaphoid fractures): ![]() radiographs and determination of stability ( CT scan) Work Up for Scaphoid Fracture: (w/ discussion) ![]()
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