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。 Though usually painless, they could potentially cause distress or interfere with joint motion. De Quervain's Tenosynovitis - This situation is characterised because of the inflammation with the tendons to the thumb aspect on the... https://www.theorthopaedicandpainpractice.com/why-cant-i-straighten-the-tip-of-my-finger/