Praxis 5005 Practice Test Practice Question
Which of the following is an example of a hinge joint in the human body?
Correct Answer: C
Rationale: A hinge joint allows movement primarily in one plane, resembling the motion of a door hinge. The elbow (C) exemplifies this, enabling flexion and extension.
The wrist (A) is a complex joint that allows for a wider range of motion, including rotation, making it a condyloid joint rather than a hinge. The shoulder (B) is a ball-and-socket joint, allowing for multi-directional movement, which is different from hinge motion. Lastly, the hip (D) is also a ball-and-socket joint, providing a greater range of movement than a hinge joint. Thus, only the elbow fits the definition of a hinge joint.
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