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首页> 外文期刊>The journal of hand surgery. British and European volume: Journal of the British Society for Surgery of the Hand >Pseudorotation of the little finger metacarpal.
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Pseudorotation of the little finger metacarpal.

机译：小指掌假旋转。

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摘要

Fractures of the little finger metacarpal are common, and are often associated with significant soft-tissue swelling and the appearance of rotational malalignment when the fingers are flexed. Our hypothesis is that soft-tissue swelling causes this apparent rotational deformity of the flexed little finger. The fourth intermetacarpal spaces of three of the authors' non-dominant hands were injected with saline. Following injection, all the hands exhibited the appearance of internal rotation of the little finger. The mean change in rotation was 16 degrees and the maximum was 25 degrees. There was no change in the plane of the nail plate in extension in any hand. We conclude that soft-tissue swelling can cause the appearance of internal rotation of the flexed little finger in the absence of fracture.
机译：小指掌骨骨折很常见，并且经常与明显的软组织肿胀和手指弯曲时出现旋转不整齐有关。我们的假设是软组织肿胀会导致这种弯曲的小指明显的旋转畸形。作者的三只非优势手的第四掌指间隙被注入生理盐水。注射后，所有手均表现出小指的内部旋转外观。旋转的平均变化为16度，最大变化为25度。伸出的指甲板的平面没有任何变化。我们得出的结论是，在没有骨折的情况下，软组织肿胀会导致弯曲的小指出现内旋。

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