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What is the action called when a limb moves toward the midline of the body?
Adduction
Abduction
Extension
Flexion
The correct answer is: Adduction
The action described is termed adduction. This movement involves bringing a limb closer to the midline of the body, which can be visualized as moving an arm down towards the side of the torso or bringing the legs together. It is fundamental in maintaining body posture and balance, as well as facilitating various movements in physical activities and sports. In contrast, abduction is the opposite movement, where the limb is moved away from the midline. Extension and flexion refer to movements that increase or decrease the angle between body parts, such as straightening or bending a joint, rather than the directional movement relative to the midline.