The median nerve innervates the skin of the palmar (volar) side of the index finger, thumb, middle finger, and half the ring finger, and the nail bed. The radial aspect of the palm is supplied by the palmar cutaneous branch of the median nerve, which leaves the nerve proximal to …

The median nerve controls movement and feeling in the forearm, wrist, hand, thumb and fingers. A pinched median nerve causes carpal tunnel syndrome.

The median nerve branches further when it reaches the wrist, though, and extends connections into the thumb, index finger, and middle finger. The median nerve is important for moving...

Motor function of the median nerve are mainly flexor aspect of forearm, hand, and thumb, with motor function outlined in the above table. Sensory innervation to the dorsal aspect of the distal first two digits of the hand is supplied by median nerve.

2024年4月21日 · The median nerve is a major peripheral nerve of the upper limb. In this article, we shall look at the anatomy of the median nerve – its anatomical course, motor and sensory functions, and clinical correlations.

2023年11月2日 · Due to its innervation field, the median nerve enables us to perform both coarse and fine movements of the upper limb. One example is thumb opposition, which is important for precision handling and performing lots of activities like …

2025年2月4日 · The median nerve is a major nerve of the upper limb as it innervates the major muscles that enable an individual to flex their wrist and fingers, and oppose their thumb. If the median nerve is damaged, an individual may present with the sign of benediction due to the lost ability to flex their thumb and first two digits.

2025年2月15日 · The median nerve is a major nerve of the upper limb, originating from the brachial plexus (C5-T1). It runs down the arm, forearm, and into the hand, providing motor innervation to most forearm flexor muscles and some hand muscles, and sensory innervation to the lateral palm, thumb, index, middle, and half of the ring finger.

2023年6月4日 · Median nerve injuries occur by multiple mechanisms and can become injured at different sites along its course in the upper limb. Common injuries to the median nerves include anterior shoulder dislocation, elbow dislocation, humerus fracture, midshaft radius fractures, stab wounds, prolonged placement of a tourniquet, and repeated use of crutches.

2025年1月12日 · Motor Function: In addition to sensation, the median nerve controls the muscles at the base of the thumb, essential for fine motor skills like gripping and pinching. Carpal Tunnel: The median nerve passes through a narrow space in the wrist called the carpal tunnel.