Define Flexion and Extension and Give an Example of Each

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The Answer is Flexion and extension are two fundamental types of movements that occur in the joints of the body, allowing for changes in the angle between bones or body parts.

Flexion refers to a bending movement that decreases the angle between two body parts. This movement is typically directed anteriorly (forward) in the sagittal plane. An example of flexion is bending the elbow to bring the hand closer to the shoulder, which decreases the angle between the forearm and the upper arm.

Extension is the opposite of flexion; it involves a straightening movement that increases the angle between body parts. Extension is typically directed posteriorly (backward) in the sagittal plane. An example of extension is straightening the elbow, which increases the angle between the forearm and the upper arm, returning the arm to a straight position.

These movements are common in hinge joints like the elbow and knee, but they also occur in ball-and-socket joints such as the shoulder and hip, as well as in other types of joints throughout the body. Flexion and extension are essential for a wide range of everyday activities, including walking, sitting, standing, and grasping objects.

Define Flexion and Extension and Give an Example of Each

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Define Flexion and Extension and Give an Example of Each

Short Answer

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Correct Answer:
Answered by ExamLex AI