Middle Finger Anatomy

Proximal phalanx is the first finger bone lying next to the palm. The first and largest knuckle is the junction between the hand and the fingers the metacarpophalangeal joint mcp.

Anatomy Of The Index Finger 18 Download Scientific Diagram

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Middle finger anatomy. This picture also contains other parts such as interossea recurrens arcus palmaris profundus dorsal carpal network palmar carpal network r. Each phalanx in a finger is named according to its location. This finger often possesses the largest amount of sensitivity and greatest dexterity of any of the fingers.

For this reason the index finger is also known as the pointer. The knuckles are joints formed by the bones of the fingers and are commonly injured or dislocated with trauma to the hand. The thumb does not have a middle phalange.

The pointer finger is the second digit and first finger of the human hand. The index middle ring and fifth digits have proximal middle and distal phalanges and three hinged joints. Perforans right middle finger palmar view and so on.

This finger has practical applications of both sensory touch and grasp but it is often used for expressive purposes as well. They are controlled by muscles in the forearm. Distal phalanx is the last finger bone lying furthest away from the hand.

Along with the thumb and middle finger it is one of the most often used digits. They are powered by a common muscle belly shared by all the fingers which divides into 4 tendons. Intermediate phalanx is the middle finger bone which is absent in the thumb.

The index finger is composed of three bones. The middle finger long finger or tall finger is the third digit of the human hand located between the index finger and the ring finger. Basic anatomy of the finger.

The thumb has a distal and proximal phalanx as well as an interphalangeal and mcp joint. Ebraheims educational animated video describes the anatomy and injury of the flexor tendons of the fingers. The ability to flex the fingers consists of.

When fingers joints straighten they are being pulled by the extensor tendons. Distal interphalangeal dip proximal interphalangeal pip and metacarpophalangeal mcp. It is typically the longest finger.

Flexor digitorum superficialis tendons help bend the index middle ring and small fingers at the middle finger joint. This usually takes the form of non verbal hand gestures. Extensor tendons connect to muscles in the middle of the forearm then extend through the wrist and hand to each finger where they form the extensor hood.

In anatomy it is also called the third finger digitus medius digitus tertius or digitus iii. The distal phalanx intermediate phalanx and proximal phalanx. It is also called the index finger or the forefinger.

They travel down the forearm and within the carpal tunnel.

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