Neck is what type of joint

Types of joints Synovial joints Takeaway Share on Pinterest. How many types of joints are there in the human body? Types of freely movable joints. Read this next. Understanding Cartilage, Joints, and the Aging Process.

Medically reviewed by Craig Tifford, MD. Medically reviewed by Lindsay Slowiczek, PharmD. Medically reviewed by Kevin Martinez, M. Medically reviewed by Deborah Weatherspoon, Ph. Medically reviewed by Stacy Sampson, D. The knee is sometimes classified as a modified hinge joint Figure 3. Figure 3. The elbow joint, where the radius articulates with the humerus, is an example of a hinge joint.

Pivot joints consist of the rounded end of one bone fitting into a ring formed by the other bone. This structure allows rotational movement, as the rounded bone moves around its own axis. An example of a pivot joint is the joint of the first and second vertebrae of the neck that allows the head to move back and forth Figure 4. The joint of the wrist that allows the palm of the hand to be turned up and down is also a pivot joint. Figure 4. The joint in the neck that allows the head to move back and forth is an example of a pivot joint.

Condyloid joints consist of an oval-shaped end of one bone fitting into a similarly oval-shaped hollow of another bone Figure 5. This is also sometimes called an ellipsoidal joint. This type of joint allows angular movement along two axes, as seen in the joints of the wrist and fingers, which can move both side to side and up and down.

Figure 5. The metacarpophalangeal joints in the finger are examples of condyloid joints. Saddle joints are so named because the ends of each bone resemble a saddle, with concave and convex portions that fit together.

Saddle joints allow angular movements similar to condyloid joints but with a greater range of motion. In the Neck between Atlas and Axis , Pivot joint is found. The odontoid process of Atlas articulates with odontoid fossa of Axis to form Pivot joint which helps in the movement of neck.

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