Explain why synarthrotic joints are more often found in the axial skeleton, while diarthrotic joints are more often found in the appendicular skeleton. Then describe which joint type is more likely to become arthritic and why.

Explain weeping lubrication of the synovial joint surfaces.

Watch this animation (http://openstaxcollege.org/l/hipreplace) to observe hip replacement surgery (total hip arthroplasty), which can be used to alleviate the pain and loss of joint mobility associated with osteoarthritis of the hip joint. What is the most common cause of hip disability?

Most of the limb joints in the human skeleton are of synovial type. Identify and briefly explain the function of the six features that make synovial joints unique from other joint types. (answer max 12 sentences)