Pivot joint

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Pivot joint
1: Ball and socket joint; 2: Condyloid joint (Ellipsoid); 3: Saddle joint; 4 Hinge joint; 5: Pivot joint;
Latin	articulatio trochoidea
Gray's	subject #70 285
Dorlands/Elsevier	a_64/12161674

Pivot joint (trochoid joint, rotary joint): Where the movement is limited to rotation, the joint is formed by a pivot-like process turning within a ring, or a ring on a pivot, the ring being formed partly of bone, partly of ligament.

[edit] Examples

• In the transverse ligament of the atlas; here, the ring rotates around the odontoid process.^[1]

[edit] References

[edit] External links

• http://anatomy.med.umich.edu/modules/joints_module/joints_17.html

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Joints Types fibrous: Gomphosis - Suture - Syndesmosis cartilaginous: Synchondrosis - Symphysis synovial: Plane joint - 1° (Hinge joint, Pivot joint) - 2° (Condyloid joint, Saddle joint) - 3° (Ball and socket joint) by range of motion: Synarthrosis - Amphiarthrosis - Diarthrosis Terminology Kinesiology - Anatomical terms of motion - Agonist/Antagonist Motions general: Flexion/Extension - Adduction/Abduction - Internal rotation/External rotation - Elevation/Depression specialized/upper limbs: Protraction/Retraction - Supination/Pronation specialized/lower limbs: Plantarflexion/Dorsiflexion - Eversion/Inversion Components Articular capsule (Synovial membrane, Fibrous membrane) - Synovial fluid - Bursa - Articular disk