Purpose To investigate the morphologic variations of the sesamoids below the first metatarsal head.

目的调查跖骨下籽骨变异种类与发生率。

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Objective To explore the clinical effect that the first metatarsal dorsal artery(FMDA) reversed flap repair hallux bone reveal.

目的探讨第一跖背动脉（FMDA）逆行岛状皮瓣修复拇趾骨外露的临床应用效果。

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Objective: to study methodology of ultrasonography of the first metatarsal dorsal artery (FMDA) and to evaluate its clinical value.

目的：探讨第一跖背动脉的超声探测方法学及其临床应用价值。

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The main sign of the condition is the big toe pointing towards the other toes, which forces out the bone attached to it - the first metatarsal.

BBC: Bunions - family not footwear to blame

The most frequent procedure to correct the angular deformity is an osteotomy, or a bone cut at either the front, middle or back portion of the first metatarsal bone.

WSJ: Young People Also Weigh Surgery to Relieve Ugly, Painful Bunions

This procedure involves cutting the front portion of the first metatarsal in a V-shape, moving the bone and holding the sections together with a fixation device, such as screws.

WSJ: Young People Also Weigh Surgery to Relieve Ugly, Painful Bunions