After completing this study unit you will be able to:
- Name the 6 types of synovial joints.
- Identify examples for each synovial joint type.
- Discover the axes of movement allowed by each type of synovial joint.
Synovial joints are the most common types of joints in the human body. They typically connect two bones (usually in the limbs) and they give the human body its mobility.
There are 6 different types of synovial joints, each of which is named for its shape.
In the following video we will examine the structure of the synovial joint, the 6 types of synovial joints along with some examples of each type.
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Examine each component of a synovial joint with our atlas gallery:
|Types||Plane, ellipsoid, hinge, ball and socket, pivot, saddle|
Plane joint: Acromioclavicular joint, intercarpal joints
Ellipsoid joint: Radiocarpal joint, metacarpophalangeal joints
Hinge joint: Elbow joint, knee joint, ankle joint
Ball and socket joint: Hip joint, shoulder joint
Pivot joint: Median atlantoaxial joint, radioulnar joints
Saddle joint: Carpometacarpal joint of thumb
|Main components of synovial joints||
Articular cartilage: Covers the ends of the articulating bones
Articular capsule: Composed of an outer fibrous layer and inner synovial membrane
Joint cavity: Filled with synovial fluid
Reinforcing ligaments: Support the articular capsule