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Questions and Answers
Which terminal branch of the radial nerve is primarily responsible for innervating the muscles in the posterior compartment of the forearm?
Which terminal branch of the radial nerve is primarily responsible for innervating the muscles in the posterior compartment of the forearm?
Where does the deep branch of the radial nerve enter the forearm in relation to the lateral epicondyle of the humerus?
Where does the deep branch of the radial nerve enter the forearm in relation to the lateral epicondyle of the humerus?
Which anatomical structure does the superficial branch of the radial nerve cross?
Which anatomical structure does the superficial branch of the radial nerve cross?
The radial nerve divides into its two terminal branches at which joint?
The radial nerve divides into its two terminal branches at which joint?
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Which muscle does the superficial branch of the radial nerve course deep to in the forearm?
Which muscle does the superficial branch of the radial nerve course deep to in the forearm?
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Study Notes
Radial Nerve
- Divides into two terminal branches at the elbow
- Deep Branch of Radial Nerve
- Motor - innervates the muscles in the posterior compartment of the forearm
- Larger of the two terminal branches of the radial nerve
- Enters forearm anterior to lateral epicondyle of humerus
- Pierces supinator muscle
- Superficial Branch of Radial Nerve
- Sensory - contributes to the cutaneous innervation of the dorsal hand and fingers
- Smaller of the two terminal branches of the radial nerve
- Passes through forearm deep to brachioradialis muscle
- Crosses roof of anatomical snuffbox
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Description
Test your knowledge of the radial nerve and its branches with this quiz. Explore the deep and superficial branches, their functions, and their anatomical landmarks. Perfect for students studying human anatomy or neuroanatomy.
