Carpometacarpal joint is an example of:
Correct answer: B. Saddle joint
- A. Hinge joint
- B. Saddle joint
- C. Condyloid joint
- D. None of these
Explanation
The carpometacarpal joints are articulations between the carpal bones and metacarpal bones of the hand. These joints are synovial, saddle-shaped joints. A saddle joint is a type of synovial joint with a unique shape resembling a rider's saddle. It allows for a wide range of motion, including flexion, extension, abduction, and adduction. The thumb joint is an example of a saddle joint in the human body.
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About Support and Movement
Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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