Hand Nerves Anatomy

The thenar muscles are four in total. Within the upper extremity there are bones joints muscles nerves vessels and tendons that tie all of the parts together.

Anatomy Stock Images Hand Nerves Dorsal Nervus Radialis

The deep branch runs.

Hand nerves anatomy. The palm includes five metacarpals and each finger except the thumb contains one proximal phalanx one middle phalanx. Blood supply and. Each hand consists of 19 bones.

In the hand the median nerve supplies the thenar eminence the muscles at the base of the thumb with nerves. 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. The radial nerve has two branches in the forearm.

The median nerve provides sensation to the thumb side of the palm the thumb index middle and half of the ring finger. 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. Bones muscles tendons nerves.

The median nerve enters the hand through the carpal tunnel which is a passageway between. The nerves innervating the muscles of the hand originate higher up. 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.

It also supplies nerves to the lumbrical muscles to the index and middle fingers. The wrist is a complex mechanical system of 8 small bones known as the carpal bones. Watch the following videos to find out everything about all the bones of the hand.

The hand is a very complex part of the body and all of the parts of the upper extremity are essential to functioning hands. Anatomy of the hand and wrist. The ulnar nerve comes from under the tendon of the flexor carpi ulnaris and runs through.

The interossei muscles originate between the metacarpals. They are evident and easy to palpate on. Nerves arteries veins.

The hand can be considered in four segments. Muscles of the hand. The wrist links the hand to the arm.

Proximal to the hand there are 8 carpal bones. 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. The carpal bones are arranged in 2 interrelated rows.

The ulnar nerve c8 t1 supplies all of the intrinsic muscles of the hand. One row connects with the ends of the bones in the forearm radius and ulna. The median nerve supplies the palmar side of the thumb index middle and half ring fingers.

Anatomy of the hand overview bones of the hand. Learn more about the anatomy of the upper extremity using the links in this section. Nerves of the hand.

Wrist Hand Anatomy