Prevalent wrist discomfort ailments incorporates de quervain's tenosynovitis, flexor or extensor tendinitis, wrist joint sprains or swelling in the carpal tunnel from a slide or incident. Splinting is the 1st-line treatment for a mallet finger. The aim is to help keep the fingertip straight while in the splint until finally the tendon heals.​ https://www.theorthopaedicandpainpractice.com/why-cant-i-straighten-the-tip-of-my-finger/