Final answer:
The massage movement that involves kneading and rolling the muscles is called petrissage. It helps to release muscle tension and improve circulation. option a
Step-by-step explanation:
The massage movement that consists of light or heavy kneading and rolling of the muscles is called petrissage. This technique involves kneading, lifting, and squeezing the soft tissues, which helps to release tension and improve circulation in the muscles. It is distinct from other movements such as friction, which involves deep circular motions; vibration, where rapid shaking motions are used, and tapotement, characterized by rhythmic tapping or percussive stroke . Petrissage is a technique commonly used in massage therapy to help relax muscles, improve blood circulation, and relieve muscle tension.