Mallet finger

（重定向自Hammer finger）

In medicine, mallet finger, also baseball finger, dropped finger, dolphin finger, "Virgin Finger", "Hannan Finger", "PLF Finger" and (more generally) extensor tendon injury, is an injury of the extensor digitorum tendon of the fingers at the distal interphalangeal joint (DIP). It results from hyperflexion of the extensor digitorum tendon, and usually occurs when a ball (such as a softball, basketball, volleyball or dodgeball), while being caught, hits an outstretched finger and jams it, creating a ruptured or stretched extensor digitorum tendon.

单词	Hammer finger
释义	Hammer finger 原声例句读者文摘选编 8 Protect Your Fingers When Hammering. Ouch! You just hammered your finger instead of the tiny nail you were trying to pound into that piece of wood. 锤击时要保护手指。哎哟！你刚刚敲了你的手指，而不是你试图敲进那块木头的小钉子。英语百科 Mallet finger （重定向自Hammer finger） In medicine, mallet finger, also baseball finger, dropped finger, dolphin finger, "Virgin Finger", "Hannan Finger", "PLF Finger" and (more generally) extensor tendon injury, is an injury of the extensor digitorum tendon of the fingers at the distal interphalangeal joint (DIP). It results from hyperflexion of the extensor digitorum tendon, and usually occurs when a ball (such as a softball, basketball, volleyball or dodgeball), while being caught, hits an outstretched finger and jams it, creating a ruptured or stretched extensor digitorum tendon.
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