Which of the following models of joints exemplifies the proximal radioulnar joint between radius and ulna in human arm?
Correct answer: D. D
- A. A
- B. B
- C. C
- D. D
Explanation
D represents pivot joint. Proximal radioulnar joint is a pivot joint, allowing rotational movement of the forearm.. So option D is correct. Option A, B and C don't represent pivot joint. So these are incorrect.
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Joints are connections between bones that provide movement, stability or both. Coverage includes fibrous, cartilaginous and synovial joints, the structure of a synovial joint, cartilage, ligaments and synovial fluid, and the difference between ligaments that join bones and tendons that attach muscle to bone.
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