The Mystery Muscle: Palmaris Longus and Evolution in Human Anatomy

The video tutorial explores the variability of certain muscles in the human body, focusing on the palmaris longus muscle in the forearm. It discusses the anatomy of the upper limb, the evolutionary reasons for muscle variability, and provides a simple test to check for the presence of the palmaris longus. The video also touches on the clinical use of this muscle's tendon for grafting.

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