Trauma, which can result in things such as broken bones or back injuries, is another very common cause of peripheral neuropathy.

Nerves are often located in the grooves of bones. For example, several nerves that start from the neck, travel to the fingers by running along the forearm and arm. If the arm should become broken, the nerves that run along the bone can be damaged as well. This can lead to muscle weakness or numbness of the hand and fingers.

Sometimes serious back injuries can result in a hernia. With spinal hernias, the disc slips out of alignment, and may squeeze or pinch the nerves that run down the spine. Hernias are most common in the lower part of the back, but can occur anywhere. Sciatica is a very common type of neuropathy that can result from a hernia.

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