Passive movement involves moving a body part without active muscle contraction. There are several types: relaxed passive movements where a therapist smoothly moves a joint within its pain-free range; accessory movements which are small rotational or gliding motions in a joint; and passive manual techniques like joint mobilizations and manipulations. Controlled stretching can also be applied to tight muscles and tissues. Passive movements help maintain range of motion, prevent adhesions, reduce swelling, and stretch contracted structures. They are important for patients who cannot actively move due to injury or condition.