The DIP joint is the initial knuckle in the prime on the finger. It connects the distal phalanx and Center phalanx, which happen to be The 2 bones on the idea in the finger. Finger accidents are popular, specifically in athletes and folks who do the job with heavy machinery. https://www.theorthopaedicandpainpractice.com/why-are-my-finger-joints-swollen-and-painful/