Straightening a bent knee is an example of ______ of a joint.Multiple choice question.eversionadductionextension

To determine the correct answer to the question, we need to analyze the movements related to joint actions.

1. Understanding Joint Movements:

   • Eversion: This refers to the movement of the foot that turns the sole outward, away from the midline of the body.
   • Adduction: This is the movement of a limb toward the body's midline.
   • Extension: This is the movement that increases the angle at a joint, straightening it.

2. Applying Definitions:

   • When straightening a bent knee, the action taken is to increase the angle at the knee joint, transitioning from a bent position to a straight position.

3. Conclusion:

   • Given the definitions above, straightening a bent knee corresponds to the action of extension.

Final Answer

The correct answer is extension.