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Multiple Choice
Which of the following joint classifications is not based on the joint's range of motion?
A
Synovial.
B
Diarthroses.
C
Amphiarthroses.
D
Synarthroses.
Verified step by step guidance
1
Understand the classification of joints: Joints can be classified based on their structure or their function. The structural classification includes fibrous, cartilaginous, and synovial joints, while the functional classification includes synarthroses, amphiarthroses, and diarthroses.
Identify the structural classification: Synovial joints are classified based on their structure. They are characterized by a fluid-filled joint cavity and are typically associated with a wide range of motion.
Identify the functional classification: Synarthroses, amphiarthroses, and diarthroses are classified based on their function, specifically the range of motion they allow. Synarthroses are immovable, amphiarthroses allow slight movement, and diarthroses are freely movable.
Compare the classifications: Notice that synovial is a structural classification, while diarthroses, amphiarthroses, and synarthroses are functional classifications based on the joint's range of motion.
Conclude which classification is not based on range of motion: Since synovial is a structural classification and not based on the joint's range of motion, it is the correct answer to the question.