How are the arms and palms positioned in the anatomical position?

In the anatomical position, the arms are positioned at the sides of the body with the palms facing forward. This standardized position is used in the fields of anatomy and medicine as a reference point for describing body parts and their relationships. The forward orientation of the palms allows for a clear understanding of the body's symmetry and facilitates communication about body parts and movements. This position establishes a universal frame of reference for discussions regarding anatomical structures, movements, and orientations, which is essential in training and education.

The other choices do not accurately describe the anatomical position, highlighting the uniqueness of the arms' positioning in relation to the torso and the direction the palms face.