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Humerus – Funny Bone

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Ever smack your elbow and experience that strange tingling sensation traveling down your arm to your fingertips? We’ve all done that, and it’s referred to as “striking your funny bone.”

Well, the actual structure causing that feeling is the ulnar nerve, which innervates large portions of the hand and fingers. A very important nerve this, and it’s also the largest unprotected (by bone or muscle) nerve in the body.

The place we tend to hurt it is where it wraps around the large bone of the upper arm or the humerus … and that’s why it’s called the funny bone.

>– David Martin, VeinInnovations

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