My funny bone in elbow was banged lightly & it sent a HUGE sharp pain to my hand and fingers. Why?

Ulnar nerve. The pain or shock like symptoms radiating to the hand are not due to a bone. The ulnar nerve passes in a groove on the medial aspect of the elbow formed by the ulna bone and the numerous. It is relatively close to the surface and when something strikes it the Pain locally travels down the arm to the ulnar side of the hand like a sudden shock.

Related Questions

With fall on outstretched hand, had wrist sprain in er. Now have tingling little finger and sharp pain from elbow to hand. Is this ulnar nerve damage?

Possible. The ulnar nerve does travel from the inner aspect of the elbow to the palm of the hand on the side of the little finger. A fall on the out stretched hand could injury the nerve. If symptoms persists see your doctor. Read more...
Ulnar n irritation. Yor ulnar nerve is bruised or irritated. You might have a hook of the hamate fracture causing the ulnar nerve problem. You need to see a hand surgeon and if appropriate they will order a ct of the wrist. Read more...
Get evaluated. Symptoms of nerve damage can range from a numbness and tingling sensation, possibly a burning sensation, to an uncomfortable painful sensation of the extremities. For some, these symptoms are mild, while for others, they can be severe and disabling. Neuropathy can develop as a result of a pinched nerve, trauma, drug side effect, and some diseases such as diabetes. See your physician. Read more...