Ak Nursing Academy on Instagram: "A CPM (Continuous Passive Motion) machine is a therapeutic device used in physical rehab to gently and continuously move a joint (like knee, shoulder, hip) through a controlled range of motion, without the patient's effort, to improve flexibility, reduce stiffness, control pain, and prevent scar tissue after surgery or injury, often prescribed after procedures like ACL repair or joint replacements. It works by mechanically flexing and extending the joint at adju