Circumduction
Circumduction
Circumduction (pronounced: sur-kum-DUK-shun) is a complex movement that combines flexion, extension, abduction, and adduction. It is a circular movement of a limb or the eye that involves sequential geometric actions.
Etymology
The term "circumduction" is derived from Latin, where "circum" means around and "ducere" means to lead.
Definition
Circumduction is a conical movement of a limb extending from the joint at which the movement is controlled. Limbs move in a loop, with the end of the limb tracing a circle, the body forming a cone, and the joint at the peak of the cone.
Related Terms
- Flexion: A bending movement that decreases the angle between two parts.
- Extension: A straightening movement that increases the angle between body parts.
- Abduction: A movement away from the midline of the body.
- Adduction: A movement towards the midline of the body.
- Joint: The area where two bones are attached for the purpose of permitting body parts to move.
- Limb: A term for the large appendages of the body, including the arms and the legs.
See Also
External links
- Medical encyclopedia article on Circumduction
- Wikipedia's article - Circumduction
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