The radial proper digital nerve of the index finger is a branch of the first common palmar digital nerve (from the median nerve), supplying the radial half of the index finger palmar surface. It is the primary sensory nerve of the key pinch surface.
The radial index digital nerve provides sensation to the critical key pinch surface between the index finger and thumb. Its injury from ring avulsion or saw injuries produces sensory loss on the most discriminating tactile surface of the hand. Digital nerve repair or grafting is urgent for this nerve given its functional importance. It is one of the targets in digital nerve fascicular mapping during hand replantation.
Loss of sensory supply to the key pinch surface from radial index digital nerve disruption in ring avulsion injuries, requiring microsurgical repair or nerve grafting for functional restoration.
This website uses cookies to enhance your experience. Some are essential for site functionality, while others help us analyze and improve your usage experience. Please review your options and make your choice.
If you are under 16 years old, please ensure that you have received consent from your parent or guardian for any non-essential cookies.
Your privacy is important to us. You can adjust your cookie settings at any time. For more information about how we use data, please read our privacy policy. You may change your preferences at any time by clicking on the settings button below.
Note that if you choose to disable some types of cookies, it may impact your experience of the site and the services we are able to offer.
Some required resources have been blocked, which can affect third-party services and may cause the site to not function properly.
This website uses cookies to enhance your browsing experience and ensure the site functions properly. By continuing to use this site, you acknowledge and accept our use of cookies.
