The qi-blood circulation machine can dredge qi and blood. If you are really too lazy to go, you'd better consider buying a recycling machine. I am just a lazy person. I often lie in bed. People call it Yang paralysis. Lying on the lumbar spine is even worse. Often backache and backache. Drunk, too Later, I bought a blood circulation machine and worked for ten minutes every day, so it didn't hurt. My legs are not sore (ahem, I suddenly thought of a TV line. )。 You can go to the BesTV website to find out. Manual only. Hope to adopt.