Synovial joints, also known as movable joints, refer to the joints that are capable of moving in a variety of directions (allow mobility). Such examples include the knee joints , elbow joints , wrist joints , shoulder joints , hip joints and ankle joints .

2024年8月26日 · Functional classifications of joints include immovable, slightly movable, and freely movable joints. Freely movable (synovial) joints are most abundant and include six joint types: pivot, hinge, condyloid, saddle, plane, and ball-and-socket joints.

2018年4月17日 · There are six types of synovial joints, each allowing its own type of movement. A pivot joint provides for rotation around only one axis. One bone rotates around another within a concave ring formed in the second bone. This ring is lined with a …

2020年9月29日 · Fixed joints, also called immovable joints, are found where bones are not flexible. In such joints, bones have been fused together in such a way that they are fixed to that part, most commonly to create a structure. A prominent example of a fixed joint is the skull, which is made up of a number of fused bones.

There are six classes of movable joints: pivot, hinge, saddle, plane, condyloid, and ball-and-socket joints. An example of each class, as well as the type of movement it allows, is shown in Figure \(\PageIndex{3}\).

The most common type of joint is the diarthrosis, which is a freely moveable joint. All synovial joints are functionally classified as diarthroses. A uniaxial diarthrosis, such as the elbow, is a joint that only allows for movement within a single anatomical plane.

2024年7月24日 · Synovial joints are the most common and movable joints in the human body. They are characterized by a synovial cavity filled with synovial fluid, which lubricates the joint and allows for smooth movement. Synovial joints have several subtypes, each allowing for specific types of movement.