Many robotic chairs claim to have a life-like Shiatsu massage capability. It's really not true. If you have ever had a massage from a well-trained Shiatsu therapist you should not have the expectation that any chair can really get close to that. Even so, the recliner tv chair Shiatsu-like features of good chairs can provide excellent stimulation and energy flow to the spine. There is no doubt that the chairs will relieve stress and promote better health. The Shiatsu-like robotic movements are among the best features in most chairs.
Another feature to look for in chairs with the back scanning technology is the ability to do over the shoulder massage. That means that the mechanisms in the chair actually slightly roll over the top of the shoulders. It really is great for getting rid of that staring at the computer terminal all day shoulder tension.