anterior extremity的用法和樣例：
例句
- Cornea is a disc-like avascular film in the most anterior of the eyeball.
角膜是眼球最前端的圓盤狀無血管薄膜。 - Force was applied to each of the anterior AFOs at the anterior-middle and anterior-lateral sides to simulate the movement of ankle plantar flexion and inversion.
研究方法乃分別在兩種前穿式足踝裝具的前端中央及側方施力來模擬踝關節跑屈與內翻的施力動作，同時記錄施力與踝關節角度變形量之間的關係。
