a determined patient takes confident steps using a high-tech robotic leg prosthetic while holding parallel bars. The mechanical limb moves smoothly with each step, showing precise joint movement and natural gait patterns. A physical therapist walks alongside offering encouragement and monitoring the patient's progress. Other patients in the background practice with various artificial arms and legs at different therapy stations. The therapist adjusts settings on the prosthetic device to optimize performance. The patient's face shows joy and accomplishment as they master walking with their new artificial limb. artificial body parts designed to replace missing or damaged limbs or organs