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首页> 外文期刊>Journal of Hand Surgery. American Volume >The Effect of Triangular Fibrocartilage Complex Tear on Wrist Proprioception
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The Effect of Triangular Fibrocartilage Complex Tear on Wrist Proprioception

机译：三角纤维纤维综合复杂撕裂对腕上的影响

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PurposeThis study examined the influence of triangular fibrocartilage complex (TFCC) deep fiber tears on wrist proprioception. MethodsThe study involved 48 subjects: 24 with deep fiber TFCC tears and 24 with healthy wrists. A specially created sensor measured wrist proprioception in 3 axes of movement. Absolute differences between target and subject-reproduced angles were compared in injured and healthy wrists and in injured and contralateral patient wrists. A greater difference in reproduced angles was deemed to reflect a lesser ability to approximate a target angle. ResultsIn wrists with TFCC injuries, 40° pronation and 60° pronation showed significantly greater differences between target and subject-reproduced angles compared with those in the control wrists. In wrists with TFCC injuries, 40° pronation demonstrated significantly greater differences between target and subject-reproduced angles than did those in patients’ contralateral wrists. Proportions of outliers with absolute differences greater than 6° were significantly higher in 60° supination and 40° pronation in wrists with TFCC injuries. ConclusionsDeep TFCC fiber detachment may lead to decreased wrist proprioception in 60° and 40° forearm rotation. Clinical relevanceDeep TFCC fiber tear may contribute to decreased wrist rotational positioning sense and may have biomechanical importance in distal radioulnar joint stability.
机译：目的研究检测了三角形纤维覆层（TFCC）深纤维撕裂对腕上的影响。方法涉及48个科目：24个深纤维TFCC眼泪和24个健康手腕。专门创建的传感器测量腕上的腕上的预防腕表在3个运动轴上。在受伤和健康的手腕和受伤和对侧患者手腕中将目标和主体转发角度之间的绝对差异进行比较。再现角度的更大差异被认为是反映近似目标角度的较小能力。结果与TFCC损伤，40°谐波和60°旋转的腕部显示出目标和对象再现角度的显着更大差异与控制手腕中的角度相比。在具有TFCC损伤的手腕中，40°Pleging在目标和对象的角度之间的角度显着更大差异，而不是患者对侧手腕的角度。具有大于6°的绝对差异的异常值的比例在60°苏下浸湿和40°突出的TFCC损伤中的40°。结论DepTep TFCC纤维脱离可能导致60°和40°前臂旋转中的腕上的腕部精浮。临床相关性TFCC纤维撕裂可能有助于减少手腕旋转定位意义，并且可能在远端Radioulnar联合稳定性方面具有生物力学。

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