Rotatory Joint (Noun)
Meaning
A freely moving joint in which movement is limited to rotation; "the articulation of the radius and ulna in the arm is a pivot joint".
Classification
Nouns denoting body parts.
Examples
- The human elbow contains a rotatory joint known as the humeroulnar joint that plays a significant role in the overall mobility of the arm.
- An injury to the rotatory joint caused by excessive force can result in severe restriction of movement in the affected limb.
- The rotatory joint in the atlanto-axial joint in the neck assists in rotating the head in several different directions.
- A well-defined rotatory joint facilitates flexible movement around one axis without the need for extensive ligament support.
- Some animal skeletal systems include various types of rotatory joints with nearly perfect rotational symmetry that provides enhanced maneuverability.