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The hip joint is a ball and socket synovial joint that regulate flexion, extension, abduction, adduction, circumduction, and rotation movements and sacroiliac joints are diarthrodial joints.

What is synovial joint?

It is a union that is established between bones that have different joint surfaces, which inside is a viscous substance, called synovial fluid.

Characteristics of synovial joints

  • The hip joint allows movement around multiple axes, therefore it is classified as a ball and socket synovial joint.

  • The sacroiliac joint is the link between the spine and the hip, being a joint considered diarthrodial because it has synovial fluid in its composition and because it is the only one that has cartilage and a joint capsule.

Therefore, we can conclude that the synovial joint contains the synovial fluid, which allows adequate sliding and prevents friction between the joint components.

Learn more about synovial joints here: https://brainly.com/question/13649060