为了防止锤状指和肌腱或神经损伤，在运动或高风险活动期间，请使用手套或护指等防护装备来保护手指免受创伤。练习适当的技巧来减少冲击，尤其是在球类运动或体力劳动中。 These injuries might also result in problems like Boutonnière Deformity, characterized by a bent Center joint on the finger. If still left untreated, extensor tendon injuries can severely limit the chance to straighten the affec... https://www.theorthopaedicandpainpractice.com/why-cant-i-straighten-the-tip-of-my-finger/