Video from Siebert Science on YouTube

6.7.2 Describe the structure and movements of the wrist joint, the factors contributing to its stability and the muscles responsible for fixation and movement.

Why this video

Walks through the skeletal anatomy, articulating surfaces, supporting ligaments, and the primary muscle groups acting across the radiocarpal joint.

Part of this line

Covers part of this objective. It leaves out: It does not teach the muscular co-contraction responsible for synergistic wrist fixation or the specific osseous and ligamentous factors resisting carpal displacement.

Heads up

Be sure to note this course's specific range of motion values (15 degrees abduction, 45 degrees adduction) and its convention of 20 to 30 degrees of extension for synergistic grip fixation.

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