hinge joint

Thân thiện

The elbow is a hinge joint that allows the arm to bend.

Definition

1. Noun:
   • A joint allowing movement in one plane only: A type of synovial joint where the rounded or cylindrical surface of one bone fits into a corresponding cavity of another, permitting motion primarily in one direction, like bending and straightening.
   • A freely moving joint in which the bones are so articulated as to allow extensive movement in one plane: A technical anatomical term for a diarthrosis joint functioning like a mechanical hinge, enabling angular movement.

Usage Examples

• Noun:
  • The elbow is a classic example of a hinge joint.
  • Movement at the knee hinge joint is primarily flexion and extension.

Advanced Usage

• Anatomical Context: In medical and biological texts, "hinge joint" is precisely defined as a joint.
  • The interphalangeal joints of the fingers are hinge joints.

Variants and Related Words

• Ginglymus (n): The formal anatomical term for a hinge joint.
• Synovial joint (n): The broader category of freely movable joints to which hinge joints belong.
• Pivot joint (n): A related synovial joint that allows rotational movement, contrasting with the hinge joint's angular movement.

Synonyms

• Ginglymoid joint: A synonym used in anatomical terminology.
• Articulatio ginglymus: The Latin-derived synonym.

Related Phrases

• Hinge action: The specific movement characteristic of a hinge joint.
  • The hinge action of the ankle is crucial for walking.

Học thuật

Noun

1. a joint allowing movement in one plane only
2. a freely moving joint in which the bones are so articulated as to allow extensive movement in one plane

Từ đồng nghĩa

• knuckle joint
• ginglymus
• ginglymoid joint