Interphalangeal Joint Mobilizations [with Convex-Concave Rules]

The video tutorial explains the mobilization of interphalangeal joints, focusing on the proximal interphalangeal (PIP) joint. It discusses the structure of the thumb and other digits, highlighting the concave-convex rule for determining the direction of mobilization. The tutorial provides practical examples of mobilizing joints for extension and flexion, emphasizing that the role and slide are in the same direction for concave moving on convex surfaces. The video concludes with a focus on flexion and extension as the primary movements in hinge joints.

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