Concept:Structural classification of wrist joints.
Formula:N/A (Conceptual)
Solution:- The wrist joint (radiocarpal joint) and the articulations between the individual carpal bones themselves are highly mobile.
- To facilitate this friction-free movement in multiple planes, they are enclosed in a fluid-filled articular capsule, definitively classifying them as Synovial joints.
- Note: While structurally synovial, functionally the main wrist joint acts as a condyloid joint, allowing limited rotation and movement in two planes.
Why other options are incorrect:Fibrous joints are completely immovable (like skull sutures). Cartilaginous joints have very limited mobility (like intervertebral discs). Ball and socket joints strictly require a spherical bone head, which carpals lack.
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