减少功能： 由于运动范围有限，打字、抓握物体或扣纽扣等任务变得具有挑战性。 These injuries might also produce disorders like Boutonnière Deformity, characterised by a bent Center joint in the finger. If still left untreated, extensor tendon accidents can seriously prohibit the ability to straighten the influenced joints, drastically impacting hand function. Prompt diagnosis and treatmen... https://www.theorthopaedicandpainpractice.com/why-cant-i-straighten-the-tip-of-my-finger/