Elbow joint is example of (a) Gliding joint (b) Hinge joint (c) Ball a...
Elbow joint is an example of a Hinge Joint
Definition of a Hinge Joint: A hinge joint is a type of synovial joint that allows movement primarily in one plane, like a hinge on a door. It permits movement in only one plane, which is flexion and extension.
Explanation: The elbow joint is a synovial hinge joint. It is formed by the articulation of three bones - the humerus, radius, and ulna. The humerus articulates with the radius and ulna forming the elbow joint. The elbow joint allows for the movement of flexion and extension. The flexion movement allows for the bending of the elbow, while the extension movement allows for the straightening of the elbow.
Characteristics of a Hinge Joint:
- Allows movement in one plane (flexion and extension)
- Has a convex surface of one bone fitting into a concave surface of another bone
- Contains synovial fluid to reduce friction between the bones
- Has strong ligaments to stabilize the joint
Examples of Hinge Joints:
- Knee Joint
- Ankle Joint
- Finger Joints
- Toe Joints
Conclusion: In summary, the elbow joint is an example of a hinge joint. It allows for the movement of flexion and extension, and is formed by the articulation of the humerus, radius, and ulna. It is a synovial joint that contains synovial fluid and strong ligaments to stabilize the joint.
Elbow joint is example of (a) Gliding joint (b) Hinge joint (c) Ball a...