Guides
How the technology works, what the marketing terms actually mean, and which specs change the way a chair feels.
Research-based explainers on massage chair technology, brand origins, and buying decisions — built from specs, clinical literature, and manufacturer documentation.
Zero gravity massage chair benefits: what the research actually supports
Spinal decompression, improved circulation, reduced back pain — which zero gravity benefits are backed by research, which are plausible, and which are marketing claims that outrun the evidence.