
First Metacarpal: Definition, Location Anatomy, Diagram
2018年8月2日 · The first metacarpal (1st Metacarpal) is the metacarpal or palm bone associated with the thumb and is the shortest, and most mobile of all the five metacarpal bones [1]. Being …
First metacarpal bone - Wikipedia
The first metacarpal bone or the metacarpal bone of the thumb is the first bone proximal to the thumb. It is connected to the trapezium of the carpus at the first carpometacarpal joint and to …
Metacarpophalangeal (MCP) joints: Bones and ligaments - Kenhub
2023年10月30日 · The metacarpophalangeal joints (MCP) are a collection of condyloid joints that connect the metacarpus, or palm of the hand, to the fingers. There are five separate …
Metacarpal Fractures - Hand - Orthobullets
2025年1月2日 · 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. …
Base of Thumb Fractures - Hand - Orthobullets
2023年7月28日 · Base of Thumb metacarpal fractures can be extra-articular fractures, Bennett fractures (partial intra-articular), or Rolando fractures (complete intra-articular). Diagnosis can …
Anatomy, Shoulder and Upper Limb, Hand Metacarpal Phalangeal ...
2023年10月24日 · The 1st MCP joint assists in flexing the thumb in opposition so the hand can grasp objects and perform fine motor tasks. Unlike the other digits of the hand, the thumb joint …
Basilar Thumb Arthritis - Hand - Orthobullets
2025年1月13日 · Basilar Thumb Arthritis, also referred to as trapeziometacarpal (TMC) arthritis, is a common degenerative condition caused by attenuation of the volar beak and dorsoradial …
MCP Joint Arthritis - American Society for Surgery of the Hand
MCP joint arthritis is the wearing away of cartilage in the metacarpophalangeal joint, also known as the knuckle. It causes pain, loss of motion, and swelling.
Metacarpophalangeal (MCP) Joints - Structure, Function
2025年2月13日 · The metacarpophalangeal (MCP) joints are the knuckle joints where the metacarpal bones of the hand meet the proximal phalanges of the fingers. These synovial …
First Carpometacarpal Joint Injection – Technique and Tips
2010年10月30日 · Steroid injection of 1st CMC joint. Needle at about a 45-degree angle. Distract the thumb to open the joint space. Indications. First carpometacarpal (CMC) joint painful …
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