V2EX dorsiflexion

Dorsiflexion

定义 Definition

dorsiflexion(背屈)指关节(最常见为踝关节)向背侧/足背方向弯曲的动作:也就是把脚尖抬向小腿的运动。该词也可用于手腕等部位,表示向手背方向屈曲。

发音 Pronunciation

/dr.sflk.n/

例句 Examples

She injured her ankle and couldn’t dorsiflex her foot.
她伤了脚踝,没法把脚背抬起来(做背屈)。

Limited dorsiflexion during walking can change gait mechanics and increase stress on the knees.
走路时背屈受限会改变步态力学,并增加膝关节的压力。

词源 Etymology

来自拉丁语成分:dorsi- 表示“背(部)/背侧”(源自 dorsum,“背”),**-flexion** 表示“弯曲/屈曲”(源自 flectere,“弯曲”)。合起来就是“向背侧弯曲”的意思。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Gray’s Anatomy(《格雷解剖学》):在下肢与踝足关节运动学章节中常用该术语描述踝关节背屈。
  • Clinically Oriented Anatomy(《临床应用解剖学》):用于体格检查与肌肉功能测试(如胫骨前肌)时讨论背屈。
  • Magee: Orthopedic Physical Assessment(《马吉骨科物理评估》):在踝关节活动度评估、步态分析与相关损伤机制中频繁出现。
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