Ginglymoid joint, also known as a hinge joint, is a type of joint that allows for bending and straightening movements in only one axis. Its name is derived from the Greek word "gongylḗ" meaning "knuckle" and the Latin word "mōbile" meaning "mobile." The spelling of "ginglymoid" is pronounced /dʒɪŋgliˈmɔɪd/ in IPA phonetic transcription, with the stress on the second syllable. The "ng" sound is pronounced as one sound, with the "g" being silent, making it easier to remember the spelling of this complex word.
A ginglymoid joint, also known as a hinge joint, is a type of synovial joint characterized by its ability to move in only one plane of motion. This joint allows for movement in a single direction, primarily flexion and extension, resembling the action of a hinged door. The term "ginglymoid" originates from the Greek words "ginglymos," meaning hinge, and "eidos," meaning form or shape.
This type of joint is formed by the articulation of two bones, where the convex surface of one bone fits into the concave surface of another. This structure allows for smooth and controlled movement by limiting motion to a single axis. Ginglymoid joints are commonly found in the human body, such as the elbow and knee joints.
One of the key features of a ginglymoid joint is its stability. The articulating surfaces of the bones are held together by strong ligaments, which prevent excessive movement and ensure proper alignment. The joint is further reinforced by surrounding muscles, tendons, and other soft tissues, which provide additional support and control during movement.
Despite its restricted range of motion, the ginglymoid joint is crucial for basic activities of daily living. It enables bending and straightening of limbs, facilitating actions like walking, running, and lifting objects. Additionally, the predictable and stable movement of a ginglymoid joint allows for precise control and fine motor skills required for tasks such as writing or grasping small objects.
Hinge j., ginglymus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "Ginglymoid Joint" is derived from two Greek words: "Ginglimos", meaning hinge, and "eidos", meaning form or shape. In anatomy, "ginglymoid" is used to describe a type of joint that allows movement in only one direction, similar to how a hinge functions. The word "joint" is used to refer to the point where two or more bones come together, allowing for movement. Therefore, the term "Ginglymoid Joint" describes a specific type of joint that operates like a hinge, enabling movement in a single plane.