Corpus: Hinge joint
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Synonyms: Ginglymus (gr. ginglymos - door hinge), Articulatio cylindroidea
English:
Definition[Bearbeiten]
The hinge joint is a form variant of a true joint. The hinge joint consists of a cylindrical joint head that rests in a joint socket, which corresponds to the segment of a hollow cylinder. It is usually additionally stabilised by taut collateral ligaments and may also have guide ridges or grooves in the articular cartilage.
Biomechanics[Bearbeiten]
The hinge joint has one axis of movement or one degree of freedom and enables simple flexion and extension movements.
Examples[Bearbeiten]
- Interphalangeal joints (articulationes interphalangeales)
- Humeroulnar joint (articulatio humeroulnaris)