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Jan 2, 2025 · Metacarpal Fractures are the most common hand injury and are divided into fractures of the head, neck, or shaft. Diagnosis is made by orthogonal radiographs the hand. Treatment is based on which metacarpal is involved, location of the fracture, and the rotation/angulation of the injury.

What is a metacarpal fracture? A metacarpal fracture is a type of bone fracture (broken bone). Your metacarpals are the bones in your hand that connect your thumb and finger bones (your phalanges) to your wrist. You can feel your metacarpals by pressing on the back of your hand. Cleveland Clinic is a non-profit academic medical center.

Each metacarpal forms a smooth articular facet [6] on its distal end or head to articulate with the corresponding proximal phalanx. The first metacarpal articulates with the proximal phalanx of the thumb, the second metacarpal with the proximal phalanx of the index finger, and so on [4].

Nov 1, 2024 · Metacarpal Bones. The metacarpal bones articulate proximally with the carpals, and distally with the proximal phalanges. They are numbered, and each is associated with a digit: Metacarpal I – thumb. Metacarpal II – index finger. Metacarpal III – middle finger. Metacarpal IV – ring finger. Metacarpal V – little finger.

In human anatomy, the metacarpal bones or metacarpus, also known as the "palm bones", are the appendicular bones that form the intermediate part of the hand between the phalanges and the carpal bones (wrist bones), which articulate with the forearm.

Aug 4, 2023 · Metacarpal fractures can occur in various settings but most commonly occur as a result of direct trauma. As metacarpal bones are superficial, these commonly get fractured when the hand is used for evasive action.

Metacarpal fractures are common injuries in the hand. Most metacarpal fractures have a good outcome with nonoperative treatment because there is substantial tolerance to angulation and shortening, particularly fractures of the small finger metacarpal shaft and neck.

Mar 9, 2022 · The metacarpal bones are five long bones of the hand between the carpal bones and the proximal phalanges of the hand that make up most of the palm. The metacarpal bones run from the carpus, forming the carpometacarpal joints, to the base of proximal phalanges, forming the metacarpophalangeal joints. The thumb metacarpal is shorter and thicker.

Metacarpal fractures usually occur after a fistfight, car accident, or fall. At times, a crush mechanism is responsible. Findings include pain (most intense over fracture site), edema, a shortened finger or finger deformity (such as depressed or missing knuckle), and bruising.

Nov 3, 2023 · The metacarpal bones articulate with the carpal bones with their proximal ends (bases), and with the proximal phalanges via their distal ends (heads). They are labeled with numbers 1-5 going in the radio-ulnar direction.

The four finger metacarpals are tubular bones; the distal end (far end) is a round knob that forms a joint with a finger. These joints are commonly referred to as your knuckles. The proximal end (near end) of each bone forms a joint with one or more carpal bones.

May 9, 2024 · these are intra-articular fractures that result from axial loading or direct trauma; collateral ligament avulsion fractures are caused by forced deviation of the flexed metacarpophalangeal joint (MCPJ).

A metacarpal fracture Is a break in one of the five metacarpal bones of either hand. Are categorized as being fractures of the head, neck, shaft, and base (from distal at the metacarpal phalangeal joint to proximal; at the wrist).

Jan 15, 2025 · The metacarpal bones are five long bones forming the framework of the palm. They are numbered from the thumb (first metacarpal) to the little finger (fifth metacarpal). Each metacarpal consists of three main parts: the base, shaft, and head. [4] General Features Base. Shape: The proximal end of each metacarpal is broad and flat. Articulations:

Apr 30, 2025 · Metacarpal shaft fractures occur in three basic patterns: transverse, oblique, and comminuted. Transverse fractures are caused by a direct blow (image 1).

Sep 30, 2024 · The metacarpals are the bones that reach from the bottom of the fingers and thumb, the proximal phalanges, to the wrist. They make up the majority of your hand. Metacarpal fractures are a...

May 21, 2023 · A fractured (broken) metacarpal is a common injury of the hand. A metacarpal fracture affects one or more of the five metacarpal bones that run from the wrist (carpal) bones to the knuckles. An impact injury, such as a fall or blow to the hand, is usually the cause of a metacarpal fracture.

Fractures of the metacarpal bone either involve the proximal base, the shaft, neck, or the distal head. The neck and shaft are more commonly injured in contradiction to the first metacarpal where the base is most often involved.

While the distal knuckle (metacarpophalangeal) joint has a great deal of motion, the proximal carpometacarpal joint has very little. A metacarpal fracture can occur in a multitude of ways: a fall on the outstretched hand, a crushing injury, or hitting an object with your fist.

Each metacarpal bone comprises a proximal base at the carpal side, a shaft and a head, commonly known as knuckle. The first metacarpal bone of the thumb is the shortest and broadest of them. Metacarpal fractures are very common and comprise 35% of all fractures of the hand.

The collateral ligaments originate on depressions on each side of the metacarpal heads dorsal to axis of rotation. From there, they extend obliquely and distally to their insertions onto tubercles at the base of the proximal phalanx. The accessory collateral ligaments originate volar to the collateral ligaments and are inserted on the palmar ...