Finger PIP joint function

What is Proximal Interphalangeal Joint Flexion And Extension? Proximal Interphalangeal (PIP) joint flexion and extension discuss the bending and straightening actions of the center joint of the fingers, that’s the PIP joint. The PIP joint is positioned among the proximal and center phalanges of the finger. Flexion of the PIP joint entails bending the finger…