A dip joint is the first knuckle from the top of your finger. More specifically, it's the joint connecting the distal phalanx (the bone in the fingertip) and the middle phalanx (the bone in the middle section of the finger).
Understanding the DIP Joint
The distal interphalangeal (DIP) joint is a crucial part of finger function, enabling bending and straightening of the fingertip. It's a hinge joint, allowing for movement in one plane. Pain in this joint is a common symptom of several conditions.
Common Causes of DIP Joint Pain
- Arthritis: Osteoarthritis and psoriatic arthritis frequently affect the DIP joints, causing pain, stiffness, and swelling. The provided reference explicitly mentions this.
Location and Function
The DIP joint's location at the tip of the finger makes it susceptible to injury and wear and tear. Its primary function is to facilitate precise movements required for tasks like gripping, writing, and manipulating small objects.
