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Related Concept Videos

Functional Classification of Joints01:09

Functional Classification of Joints

Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses  or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An immobile...
Ankle Joint01:10

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
Muscles of the Forearm that Move the Hand and Fingers01:16

Muscles of the Forearm that Move the Hand and Fingers

The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi radialis,...
Knee Joint01:23

Knee Joint

The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...
Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
The radius has a nail-shaped head, and a short...

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Traumatic thumb carpometacarpal joint dislocations.

B Bosmans1, M H J Verhofstad, T Gosens

  • 1Department of Surgery, St Elisabeth Hospital, Tilburg, The Netherlands. Bas_Bosmans@hotmail.com

The Journal of Hand Surgery
|March 18, 2008
PubMed
Summary
This summary is machine-generated.

Isolated traumatic dislocations of the thumb carpometacarpal joint are rare. This review examines stabilizing ligaments and proposes a treatment algorithm for this debated injury.

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Anatomy

Background:

  • Isolated traumatic dislocation of the thumb carpometacarpal (CMC) joint is infrequent.
  • Key stabilizing ligaments and optimal treatments for CMC joint dislocations remain debated.

Purpose of the Study:

  • To review the literature on traumatic thumb CMC joint dislocations.
  • To propose a treatment algorithm for these injuries.

Main Methods:

  • Literature review of traumatic thumb carpometacarpal joint dislocations.
  • Analysis of existing studies on joint stabilization and treatment outcomes.

Main Results:

  • Identification of commonly implicated stabilizing ligaments.
  • Synthesis of current evidence regarding non-operative and operative management strategies.

Conclusions:

  • Thumb CMC joint dislocations require careful evaluation of ligamentous injury.
  • A structured treatment algorithm can guide management decisions for this rare injury.