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Funny bone

Sphenothalami

Syrian Arab Republic

Funny Bone 


Funny bone is a common name for the sensitive area at the back of the elbow. The funny bone is not an actual bone but a projection at the elbow joint of the ulna, the inside one of two bones in the lower arm, or forearm. The projection is known as the “olecranon.” The ulnar nerve passes through a groove in the olecranon and over the end of the radius, the other bone in the forearm. Because only skin covers this area, the ulnar nerve has little protection. A blow to this nerve or to the surrounding area on the olecranon produces sharp pain and sometimes tingling or numbness, which extends down the forearm to the fourth and fifth fingers of the hand. The olecranon was given the popular name funny bone, or “crazy bone,” for causing the painful sensation in these fingers.


It is really a funny bone.


08:16 AM Apr 27 2012 |