Index Finger Anatomy

It is also called the index finger or the forefinger. A digit includes the hand bones but these bones are not separated into individual appendages like a finger.

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Anatomy of the fingers the human finger is mainly a bony structure with multiple joints giving it strength and flexibility.

Index finger anatomy. Each finger has 3 phalanges bones and 3 hinged joints. Cuticles are the tissues along the sides and the base of nails. Finger fractures may account for up to 10 of all bone fractures.

Skin folds anchor the nails to the fingers. The index finger is composed of three bones. Along with the thumb and middle finger it is one of the most often used digits.

Picture of fingernail anatomy. The ability to flex the fingers consists of a system of flexor muscles in the forearm and their tendons are inserted into the bones of the fingers. This usually takes the form of non verbal hand gestures.

The matrix is the tissue from which the nails grow. The index middle ring and fifth digits have proximal middle and distal phalanges and three hinged joints. The distal phalanx intermediate phalanx and proximal phalanx.

The thumb has a distal and proximal phalanx as well as an interphalangeal and mcp joint. Basic anatomy of the finger. A flexor tendon injury can cause loss of flexion.

Finger injuries have the potential to slow down anyone. Fingers are one of the most used appendages and the most delicate so they are prone to injury. The index finger does not contain any muscles but is controlled by muscles in the hand by attachments of tendons to the bones.

The lunula is the visible half moon at the base of the nail. Ligaments connect finger bones and help keep them in place. Fingers have a complex anatomy.

This finger often possesses the largest amount of sensitivity and greatest dexterity of any of the fingers. The index finger is the second digit of the hand. Distal interphalangeal dip proximal interphalangeal pip and metacarpophalangeal mcp.

The pointer finger is the second digit and first finger of the human hand. This finger has practical applications of both sensory touch and grasp but it is often used for expressive purposes as well. It lies under the cuticle.

Fingers are easily injured and broken fingers are some of the most common traumatic injuries seen in an emergency room. The thumb has two of each. Nails are comprised of a hard protein called keratin which is also a component of hair and skin.

The index finger has three phalanges.

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