Most of the ulnar ship of extensor digitorum tendon to little finger and extensor digiti tendon have intertendinous connections 93.4%(54/60).

除肌腱缺如型外，第4、5掌骨间隙均有腱间结合联系小指伸肌腱和环指伸肌腱93.4%（54/60）。

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Conclusion We found that the fascial arch of the opponens digiti minimi can compress the deep branch of the ulnar nerve causing motor deficit of the intrinsic muscles of hands.

结论小指对掌肌腱弓可以卡压尺神经深支，引起除小鱼际肌以外的尺神经支配的所有手内在肌的功能障碍。

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Conclusion We found that the fascial arch of the opponens digiti minimi can compress the deep branch of the ulnar nerve causing motor deficit of the intrinsic muscles of hands.

结论小指对掌肌腱弓可以卡压尺神经深支，引起除小鱼际肌以外的尺神经支配的所有手内在肌的功能障碍。

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