Which nerve roots contribute to the median nerve?

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Study for the Muscle Actions and Functions – Anatomy and Movement Test. Equip yourself with multiple choice questions, each with detailed explanations and hints. Prepare confidently for your exam!

Multiple Choice

Which nerve roots contribute to the median nerve?

Explanation:
The median nerve contains fibers from all ventral rami from C5 through T1. In the brachial plexus, the lateral cord carries C5–C7 and the medial cord carries C8–T1, and these combine to form the median nerve. So it includes C5, C6, C7, C8, and T1. Any range that starts later or ends earlier misses one of these contributing roots, so it wouldn’t fully represent the median nerve’s root contributions.

The median nerve contains fibers from all ventral rami from C5 through T1. In the brachial plexus, the lateral cord carries C5–C7 and the medial cord carries C8–T1, and these combine to form the median nerve. So it includes C5, C6, C7, C8, and T1. Any range that starts later or ends earlier misses one of these contributing roots, so it wouldn’t fully represent the median nerve’s root contributions.

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