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Multiple Choice
Which of the following is the simplest synovial articulation and is the least mobile?
A
Pivot joint
B
Hinge joint
C
Ball-and-socket joint
D
Plane (gliding) joint
Verified step by step guidance
1
Step 1: Understand the question by identifying the type of synovial joint being asked about. Synovial joints are characterized by their mobility and structure, and the question is asking for the simplest and least mobile type.
Step 2: Review the characteristics of each synovial joint type mentioned in the options: Pivot joint, Hinge joint, Ball-and-socket joint, and Plane (gliding) joint. Each has distinct features and ranges of motion.
Step 3: Recall that a Plane (gliding) joint is the simplest synovial joint. It allows for sliding or gliding movements between flat or slightly curved surfaces, making it the least mobile compared to other synovial joints.
Step 4: Compare the mobility of the Plane (gliding) joint to the other options. For example, Ball-and-socket joints allow for the greatest range of motion, while Pivot and Hinge joints allow for rotational and angular movements, respectively. These are more complex and mobile than Plane joints.
Step 5: Conclude that the Plane (gliding) joint is the correct answer because it is structurally simple and allows only limited movement, such as sliding or gliding, making it the least mobile synovial articulation.