ergonomic
adj.adj. designed to be comfortable and safe to use for the human body. You often see this word on office chairs or keyboards that help you avoid pain.
adj. relating to the design of equipment and devices to fit the human body and its movements. Often used to describe furniture or tools that reduce physical strain and improve efficiency.
I bought an ergonomic chair to help with my back pain.
The office manager decided to replace all the old desks with ergonomic ones to improve employee health.
Modern ergonomic keyboards are designed to reduce the strain on the wrists by allowing the hands to rest in a more natural, neutral position during long typing sessions.
Dated 1950 C.E.; ergo- + -nomy + -ic, from Ancient Greek: ἔργον (érgon, “work”) and νόμος (nómos, “distribution”).