QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Which best describes a condylar joint?
A. A rounded surface of one bone fits into a cup-like socket of a second bone; a multiaxial joint.
B. An oval, convex surface of one bone fits into a concave surface of another bone; a biaxial joint.
C. Two flat articular surfaces slide against one another.
D. A convex surface of one bone fits into a concave surface of another bone; a uniaxial joint.
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Answer
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Step 1:I'll solve this anatomy/joint classification problem step by step:
Step 2:: Understand the key characteristics of a condylar joint
- A condylar joint involves an oval, rounded surface (condyle) of one bone - This rounded surface articulates with a corresponding concave surface of another bone - The joint allows movement in multiple planes
Step 3:: Analyze the key descriptive elements
- "Oval, convex surface" ✓ - "Fits into a concave surface" ✓ - Movement capability is critical for classification
Step 4:: Evaluate the movement classification
- Biaxial joints allow movement in two planes - This matches the description of a condylar joint's range of motion
Step 5:: Compare the given options
A. Incorrect - describes a ball-and-socket joint B. Correct - precisely describes a condylar joint C. Incorrect - describes a gliding/plane joint D. Incorrect - describes a hinge joint with uniaxial movement
Final Answer
An oval, convex surface of one bone fits into a concave surface of another bone; a biaxial joint.
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