Massages and Health
- 2D3D2D, 3D, and 4D in Massage Chairs: An Explanation of the Differences2D, 3D, 4D, and 5D describe how the massage rollers move. What the numbers mean, why 4D doesn't refer to intensity, and at what point a chair begins to...
- FunctionGluteal muscleS-Track, L-Track, SL, and iOpen: the rails in the massage chairThe track determines which parts of the body the rollers can actually reach. A comparison of the S-Track, L-Track, SL-Track, and the split iOpen guide.
