Which movement turns the palm down?

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Prepare for the Skeletal System AandP Test. Study with flashcards and multiple choice questions, each question offers hints and explanations. Enhance your knowledge for an impressive exam performance.

Multiple Choice

Which movement turns the palm down?

Explanation:
Pronation is the movement that turns the palm downward. It happens when the forearm rotates so the radius crosses over the ulna, rotating around their axis. As this rotation occurs, the palm faces downward rather than forward. Supination is the opposite, turning the palm upward. Flexion and extension describe bending or straightening a joint (like at the elbow), not the direction the palm faces. Pronation is produced by muscles such as the pronator teres and pronator quadratus that rotate the radius to flip the palm downward.

Pronation is the movement that turns the palm downward. It happens when the forearm rotates so the radius crosses over the ulna, rotating around their axis. As this rotation occurs, the palm faces downward rather than forward. Supination is the opposite, turning the palm upward. Flexion and extension describe bending or straightening a joint (like at the elbow), not the direction the palm faces. Pronation is produced by muscles such as the pronator teres and pronator quadratus that rotate the radius to flip the palm downward.

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