Illinois CNA State Practice Exam 2025 - Free CNA Practice Questions and Study Guide

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Which term describes "excessive straightening of a body part"?

Adduction

Extension

Flexion

Hyperextension

The term that best describes "excessive straightening of a body part" is hyperextension. Hyperextension occurs when a joint is extended beyond its normal range of motion, leading to an angle greater than the anatomical position. This excessive straightening can put stress on the structures around the joint and potentially lead to injuries.

In contrast, adduction refers to the movement of a body part toward the midline of the body, extension is the general term for straightening a limb or joint, and flexion denotes the bending of a joint that decreases the angle between body parts. While extension is a component of movement, hyperextension specifically emphasizes the excessive aspect of straightening beyond the normal limits.

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