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Another line perpendicular to the longitudinal axis of the radius is drawn. The angle between the two lines is the angle of volar or dorsal tilt of the wrist. Measurement of volar or dorsal tilt should be made in true lateral view of the wrist because pronation of the forearm reduces the volar tilt and supination increases it. When dorsal tilt ...
Fracture with a dorsal tilt. Dorsal is left, and volar is right in the image. There are a number of ways to classify distal radius fractures.Classifications systems are devised to describe patterns of injury which will behave in predictable ways, to distinguish between conditions which have different outcomes or which need different treatments.
There exist two types of Barton's fracture – dorsal [3] and palmar, the latter being more common. The Barton's fracture is caused by a fall on an extended and pronated wrist increasing carpal compression force on the dorsal rim. Intra-articular component distinguishes this fracture from a Smith's or a Colles' fracture. Treatment of this ...
A Smith's fracture, is a fracture of the distal radius. [1] Although it can also be caused by a direct blow to the dorsal forearm [2] or by a fall with the wrist flexed, the most common mechanism of injury for Smith's fracture occurs in a palmar fall with the wrist joint slightly dorsiflexed. [3] Smith's fractures are less common than Colles ...
The scapholunate ligament is an intraarticular ligament binding the scaphoid and lunate bones of the wrist together. It is divided into three areas, dorsal, proximal and palmar, with the dorsal segment being the strongest part. [3] It is the main stabilizer of the scaphoid. In contrast to the scapholunate ligament, the lunotriquetral ligament ...
The traditional portals are at the back of the hand (dorsal side), because many neurovascular structures are at risk at the palmar side of the hand. Table 1. Different portals that can be used during Wrist Arthroscopy [16] Dorsal Radial portals The portals lay between the dorsal extensor compartments. [17] 1-2 portal:
Dorsal rotation injury, such as when a drill binds and rotates the wrist instead of the bit, can also cause traumatic injuries. Injury may also occur from a distraction force applied to the volar forearm or wrist. Finally, tears of the TFCC are frequently found by patients with distal radius fractures. [7]
The collateral ligaments originate on depressions on each side of the metacarpal heads dorsal to axis of rotation. From there, they extend obliquely and distally to their insertions onto tubercles at the base of the proximal phalanx. The accessory collateral ligaments originate volar to the collateral ligaments and are inserted on the palmar ...