Video from Human Anatomy Education on YouTube

6.8.2 Describe the fibrous and synovial flexor sheaths, the vincula longa and brevia, and the limits of spread of tendon sheath infections starting in the thumb, index finger and little finger.

Why this video

Demonstrates the anatomical arrangement of the radial, ulnar, and digital synovial flexor sheaths and explains the spread of infection from the thumb and little finger into the forearm.

Part of this line

Covers part of this objective. It leaves out: It does not teach the fibrous flexor sheaths, the vincula longa and brevia, or the spread of infection from the index finger into the thenar space.

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