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首页> 外文期刊>Journal of Clinical and Diagnostic Research >A Rare Case of Anomalous Origin of First Lumbrical from the Tendon of Flexor Digitorum Superficialis to Index Finger
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A Rare Case of Anomalous Origin of First Lumbrical from the Tendon of Flexor Digitorum Superficialis to Index Finger

机译：从屈指浅肌腱到食指的第一个腰椎异常起源的罕见病例

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摘要

Human hand is involved in variety of precision work which requires a combined effort of forearm muscles as well as intrinsic muscles of hand. Lumbricals along with interossei muscles connect the tendons of flexor and extensor muscles and thus play a key role in the characteristic movements of human hands. Lumbricals originate from long flexor tendon and is inserted into dorsal digital expansion. Any variation in the attachment of these muscles can lead to deviation from the normal actions of the fingers and their proximal extension into carpal tunnel and might lead to carpal tunnel syndrome. An extremely rare case of first lumbrical taking origin solely from first tendon of Flexor Digitorum Superficialis (FDS) and having proximal attachment extending into carpal tunnel was noticed bilaterally in cadaveric dissection. These variations are always challenging for clinicians and surgeons during hand surgeries.
机译：人的手涉及各种精密工作，这需要前臂肌肉以及手的固有肌肉共同努力。腰间肌与腰间肌相连的屈肌和伸肌的肌腱，因此在人的手的特征运动中起关键作用。腰椎起源于长屈肌腱，被插入背侧数字扩展。这些肌肉的附着力的任何变化都可能导致手指正常动作及其近端伸入腕管的偏离，并可能导致腕管综合症。在尸体解剖中，双侧发现极少发生的仅从屈指浅肌（FDS）的第一肌腱起源的，仅向近端延伸至腕管的第一椎管。这些变化对于手外科手术中的临床医生和外科医生总是具有挑战性。

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