Hand Nerves Anatomy

The nerves innervating the muscles of the hand originate higher up. Bones muscles tendons nerves.

Anatomy Lectures Hand Nerve Supply Of Hand Muscles

The median nerve enters the hand through the carpal tunnel which is a passageway between.

Hand nerves anatomy. The ulnar nerve comes from under the tendon of the flexor carpi ulnaris and runs through. Each hand consists of 19 bones. The median nerve provides sensation to the thumb side of the palm the thumb index middle and half of the ring finger.

The palm includes five metacarpals and each finger except the thumb contains one proximal phalanx one middle phalanx. The wrist is a complex mechanical system of 8 small bones known as the carpal bones. Within the upper extremity there are bones joints muscles nerves vessels and tendons that tie all of the parts together.

The hand is a complex part of the anatomy and there are numerous possible causes for nerve damage including traumatic injury repetitive stress infection toxic exposure or systemic diseases such as diabetes. Nerves arteries veins. Anatomy of the hand overview bones of the hand.

They are evident and easy to palpate on. The hand can be considered in four segments. In the hand the median nerve supplies the thenar eminence the muscles at the base of the thumb with nerves.

The interossei muscles originate between the metacarpals. Muscles of the hand. The ulnar nerve c8 t1 supplies all of the intrinsic muscles of the hand.

The carpal bones are arranged in 2 interrelated rows. Watch the following videos to find out everything about all the bones of the hand. It also supplies nerves to the lumbrical muscles to the index and middle fingers.

On the medial side of the hand the ulnar nerve supplies the sensory receptors and muscles in the medial palm medial dorsum medial half of the fourth digit and the fifth digit pinky finger. Blood supply and. Proximal to the hand there are 8 carpal bones.

The radial nerve has two branches in the forearm. The median nerve supplies the palmar side of the thumb index middle and half ring fingers. The thenar muscles are four in total.

The wrist links the hand to the arm. The hand is a very complex part of the body and all of the parts of the upper extremity are essential to functioning hands. Nerves of the hand.

Along the dorsum back of the hand the radial nerve supplies the muscles and sensory receptors in the lateral dorsum and the first second and third digits. The deep branch runs. Anatomy of the hand and wrist.

One row connects with the ends of the bones in the forearm radius and ulna. The radial nerve supplies the skin on the back of the hand from the thumb to the ring finger and the dorsal aspects of the index middle and half ring fingers as far as the proximal interphalangeal joints. Learn more about the anatomy of the upper extremity using the links in this section.

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